├── Library ├── Bit Manipulation │ └── Generate_SubMasks.java ├── C++ │ ├── Data Structures │ │ ├── Centroid Tree.cpp │ │ ├── LCA.cpp │ │ ├── Manacher.cpp │ │ ├── PersistentSegementTree.cpp │ │ ├── SegmenTree.cpp │ │ ├── SegmentTree2D.cpp │ │ ├── SparseTable.cpp │ │ ├── Treap.cpp │ │ └── UnionFind.cpp │ ├── Dynamic Programming │ │ └── ConvexHull.cpp │ ├── Geometry │ │ ├── ClosestPair.cpp │ │ └── Sphere.cpp │ ├── Graphs │ │ ├── BridgeTree.cpp │ │ └── Flows │ │ │ ├── Bipartite │ │ │ └── MCBM.cpp │ │ │ ├── Edmondskarp.cpp │ │ │ ├── MCMF.cpp │ │ │ └── PushRelabel.cpp │ ├── Math │ │ └── combinations.cpp │ ├── Others │ │ ├── Comparable.cpp │ │ ├── Hash.cpp │ │ └── tokenize.cpp │ └── Strings │ │ ├── AhoCorasick.cpp │ │ ├── Expression Evaluation.cpp │ │ ├── Manacher.cpp │ │ ├── Suffix Array.cpp │ │ ├── Suffix Automaton.cpp │ │ ├── Tandem Repeats.cpp │ │ ├── Z Algorithm.cpp │ │ └── articles.txt ├── Data Structures │ ├── AVL_Tree.java │ ├── BST.java │ ├── Centroid Decomposition.cpp │ ├── Centroid Tree.cpp │ ├── Centroid Tree.java │ ├── CentroidTree.java │ ├── Comparing Trees.java │ ├── Fenwick Tree │ │ └── Fenwick Tree.java │ ├── ImplicitTreap.java │ ├── Interval Tree.java │ ├── Kth On Path.cpp │ ├── LCA.cpp │ ├── LCA.java │ ├── LCA_Offline.cpp │ ├── MaxEdgeOnPath.cpp │ ├── Max_Profit_Subset(No Two Adjacent Nodes).java │ ├── Segment Tree │ │ ├── Max Range Sum Queries.java │ │ ├── Maximum two Numbers Range Queries.java │ │ └── Segment Tree.java │ ├── Treap.java │ ├── TreapMaxDiff.java │ ├── Tree Diameter & Height & Center.java │ ├── Tree_Diameter.java │ ├── Trie Data Structure.java │ ├── Union Find.cpp │ ├── Union Find.java │ └── canonicalForm.java ├── Dynamic Programming │ ├── Convex Hull.java │ ├── Dynamic-Programming-master │ │ ├── Hamiltonian_Cycle_Exists_Improved.cpp │ │ ├── Hamiltonian_Cycle_Exists_Improved.java │ │ ├── Hamiltonian_Path_Exists.cpp │ │ ├── Hamiltonian_Path_Exists.java │ │ ├── Longest_Common_Subsequence.java │ │ ├── Longest_Increasing_Subsequence.java │ │ ├── Max_1D_Range_Sum.java │ │ ├── Max_2D_Range_Sum.java │ │ ├── Max_Score_Alignment.java │ │ ├── Maximum_Sum_Wrapped_2D.java │ │ ├── NestedRanges.cpp │ │ ├── Number_Of_Hamiltonian_Cycles.cpp │ │ ├── Number_Of_Hamiltonian_Cycles.java │ │ ├── Number_Of_Hamiltonian_Walks.cpp │ │ ├── Number_Of_Hamiltonian_Walks.java │ │ ├── Number_Of_Simple_Cycles.cpp │ │ ├── Number_Of_Simple_Cycles.java │ │ ├── Number_Of_Simple_Paths.cpp │ │ ├── Number_Of_Simple_Paths.java │ │ ├── Subset_Sum.java │ │ ├── TSP_Bottom_Up.cpp │ │ ├── TSP_Bottom_Up.java │ │ └── TSP_Top_Down.java │ ├── LargestOneSubmatrix.cpp │ ├── Longest Common Subsequence.java │ ├── Longest Increasing Subsequence.java │ ├── Longest Palindrome by removing.java │ ├── Max 1D Range Sum.java │ ├── Max 2D Range Sum.java │ ├── Maximum Sum on wrapped 2D grid C++.java │ ├── MaximumZeroSubmatrix.cpp │ ├── Sparse Table │ │ ├── Range GCD Query.java │ │ ├── Range Minimum Query.java │ │ ├── Range Sum Query.java │ │ └── Sparse Table.java │ ├── String Alignment.java │ ├── Subset Sum.cpp │ ├── Subset Sum.java │ ├── Top Down and Bottom Up DP.java │ └── minSubsetSum.cpp ├── Efficiency │ ├── AlphaBetaPruning │ ├── Increase Stack Size.java │ ├── Increasing the Stack Size.java │ ├── Scanner.java │ └── Shuffle.java ├── Geometry │ ├── Areas and Perimeters.pdf │ ├── Circle.cpp │ ├── Circle.java │ ├── Closest Pair.cpp │ ├── Cube.java │ ├── EPS │ ├── Geometry.java │ ├── GeometryCppLibrary.cpp │ ├── GeometryMostafaMahmoudsLibrary.pdf │ ├── GeometryRules.pdf │ ├── Intersect(lineS , Rec).cpp │ ├── Line.cpp │ ├── Line.java │ ├── LineSegment.cpp │ ├── LineSegment.java │ ├── NumberOfAreasByCircles.java │ ├── Point.java │ ├── Polygon.cpp │ ├── Polygon.java │ ├── Rectangle.java │ ├── Rectangles Union Area.cpp │ ├── Rectangles Union Area.java │ ├── Square │ ├── Triangle.cpp │ ├── Triangle.java │ ├── Vector Mine.java │ ├── Vector.cpp │ ├── Vector.java │ ├── VolumeTwoPerpendicularCylinders.java │ └── point.cpp ├── Graphs │ ├── 2SAT.java │ ├── ArticulationPointsAndBridges.java │ ├── BridgeTree.java │ ├── DominatorTree.java │ ├── Euler Tour.java │ ├── Flows │ │ ├── Bipartite │ │ │ ├── MCBM.java │ │ │ └── MinVertexCoverPrint.java │ │ ├── Dinic.java │ │ ├── EdmondsKarp.java │ │ ├── FordFulkerson.java │ │ ├── ImprovedShortestAugmentingPathAlgorithm.cpp │ │ ├── MCMF.java │ │ ├── MCMF2.java │ │ ├── MinCutPrinting.java │ │ ├── PFS(Max Path Capacity First) │ │ └── PushRelabel.java │ ├── Floyd.java │ ├── Graph Check.java │ ├── Hamiltonian.java │ ├── MST.java │ ├── MST_Prim.java │ ├── NumberOfSpanningTrees.java │ ├── PackGraph.java │ ├── SCC.java │ └── SSSP.java ├── Math │ ├── 2|EXP │ ├── ArrangeBishops.cpp │ ├── BaseFactorio.java │ ├── Catalan Number.java │ ├── CheckFrequencyOfElementsInRangeEven.java │ ├── Combination.java │ ├── Derangements.java │ ├── Determinant.java │ ├── EulerTotient.java │ ├── Evaluate Expressions.java │ ├── Extended Euclid.java │ ├── ExtendedAlgorithm.pdf │ ├── FactorialModPrime.java │ ├── Floyd Cycle Detection.java │ ├── GaussElim.cpp │ ├── Generating Combinations.java │ ├── GrayCode.java │ ├── Grundy Numbers.cpp │ ├── InverseTotient.java │ ├── IsProbablePrimeFermat.java │ ├── Knight Movements.java │ ├── LCM.java │ ├── LinearSeive.java │ ├── MaxPowerDividingFactorial.java │ ├── Mod Recursion.java │ ├── ModInverse.java │ ├── Modular Exponentiation.java │ ├── Num of Prime Factors to N.cpp │ ├── Number Of Subsequences GCD 1.java │ ├── Number of Digits of a Number.java │ ├── Number of Divisors.java │ ├── Number of Prime Factors.java │ ├── PermuationPowerPerm.java │ ├── PrimitiveRoot.java │ ├── Seive of the Eratosthenes.java │ ├── Sum of Divisors.cpp │ ├── TowerOfHanoi.java │ ├── cheat Sheet.pdf │ ├── gcd.java │ ├── integrate.java │ ├── isAllFrequenciesEven(Range).java │ ├── largestPowerInFactorial.java │ ├── moebius.java │ ├── moebius_generator.cpp │ ├── multMod.java │ ├── pow.java │ ├── solveSystemOfCongurences.cpp │ ├── solveSystemOfCongurences_ch1.cpp │ └── sum powers.java ├── Matrix │ └── Matrix Operations.java ├── Others │ ├── Calendar.java │ ├── ExecuteStringCommand.java │ ├── K-thBracketSequence.java │ ├── Next Permutation.java │ ├── NextLexicographicallyBracketSequence.cpp │ ├── RMQ using MO.java │ └── isLeapYear.java └── Strings │ ├── AhoCorasick.java │ ├── KMP │ ├── KMP.java │ ├── KMP2D.java │ └── SmallestRepeatedString.java │ ├── Manacher.java │ ├── String Alignment.java │ ├── Suffix Array │ ├── Longest Common Substring.java │ ├── Longest Repeated Substring (SA).java │ └── Suffix Array.java │ ├── Suffix Automaton │ ├── #OfDistinctSubstrings.java │ ├── PrefixAutomation.java │ └── SuffixAutomaton.java │ └── Z Algorithm.java ├── README.md └── Solutions ├── Codeforces Solutions ├── 1-A_TheatreSquare.java ├── 1-A_TheatreSquare.python ├── 1-B_Spreadsheet.cpp ├── 1-C_AncientBerlandCircus.cpp ├── 1000-A_CodehorsesT-shirts.cpp ├── 1000-B_LightItUp.cpp ├── 1000-C_CoveredPointsCount.cpp ├── 1000-D_YetAnotherProblemOnaSubsequence.cpp ├── 1000-E_WeNeedMoreBosses.cpp ├── 1000-E_WeNeedMoreBosses.java ├── 1000-F_OneOccurrence.cpp ├── 100002-A_AmusingNumbers.java ├── 100002-B_Bricks.java ├── 100002-C_CricketField.java ├── 100002-D_DecodingTask.java ├── 100002-F_Folding.java ├── 100002-H_HeroesOfMightAndMagic.java ├── 100002-I_InlayCutters.java ├── 100004-D_Numbersrebmun.java ├── 100004-E_ClassSchedule.java ├── 100030-A_InnovativeExperiment.java ├── 100030-B_EpicBattle.cpp ├── 100030-C_PinkElephants.cpp ├── 100030-D_Broadcasting.cpp ├── 100030-E_TestsPreparation.java ├── 100030-G_Procrastination.cpp ├── 100030-H_TheLongestGoodSubstring.java ├── 100030-J_SecretLaboratory.java ├── 100030-K_Triskaidekaphobia.java ├── 100030-L_MakeYourDonationNow.java ├── 100085-A_ASCIIArea.java ├── 100085-B_BinaryEncoding.java ├── 100085-D_DictionarySize.java ├── 100085-E_Eve.java ├── 100085-G_GCDGuessingGame.java ├── 100085-I_InteractivePermutationGuessing.java ├── 100085-J_Journey.java ├── 100085-K_KingdomRoadmap.java ├── 100090-A_AfterTwoHares.cpp ├── 100090-C_GraphRestoration.cpp ├── 100090-D_Insomnia.cpp ├── 100090-E_Counterfeiters.cpp ├── 100090-G_TheLastWish.cpp ├── 100090-H_GamewiththeStones.java ├── 100090-I_Retakes.cpp ├── 100090-J_ProductInnovation.cpp ├── 100090-K_BracketSequence.java ├── 100090-L_HardProblem.cpp ├── 100090-M_JumpingalongtheHummocks.cpp ├── 100112-A_Aaah!.cpp ├── 100112-B_BreadSorting.java ├── 100112-C_CookieSelection.cpp ├── 100112-C_CookieSelection.java ├── 100112-D_Doorman.java ├── 100112-H_HorrorList.java ├── 100155-A_TheNewPresident.java ├── 100155-I_ContestHallPreparation.java ├── 100169-A_BridgesandTunnels.java ├── 100169-C_RoomPainting.cpp ├── 100169-D_CourseScheduling.java ├── 100182-B_Euclid.cpp ├── 100186-A_RandomAccessMemory.cpp ├── 100186-C_Theroad.cpp ├── 100186-D_Testproblem.cpp ├── 100186-G_Restroom.java ├── 100186-H_IWorm.java ├── 100186-I_TheMatch.cpp ├── 100186-J_Newprotocol.cpp ├── 100186-K_Qualityassurance.cpp ├── 100186-L_Epilogue.cpp ├── 100187-A_PotionofImmortality.java ├── 100187-B_ALotofJoy.java ├── 100187-D_Holidays.java ├── 100187-E_TwoLabyrinths.java ├── 100187-F_Doomsday.java ├── 100187-G_ImageProcessing.java ├── 100187-H_MysteriousPhotos.java ├── 100187-J_DeckShuffling.java ├── 100187-K_PerpetuumMobile.java ├── 100187-L_MinistryofTruth.java ├── 100197-A_NonAbsorbingDFA.java ├── 100197-B_TheTowersofHanoiRevisited.java ├── 100197-C_Hyperhuffman.java ├── 100197-E_QuantizationProblem.java ├── 100197-G_Robbers.java ├── 100197-H_Tickets.java ├── 100198-B_BelovedSons.java ├── 100198-C_StrangeCounter.java ├── 100198-E_StrongDefence.java ├── 100198-F_WeirdDissimilarity.java ├── 100198-G_PLCool.java ├── 100198-H_RoyalFederation.java ├── 100198-I_TwoCylinders.java ├── 100199-A_ChineseGirls'Amusement.java ├── 100199-B_ReactorCooling.java ├── 100199-C_NewYearBonusGrant.java ├── 100199-D_MatrixMultiplication.java ├── 100199-E_NicePatternsStrikeBack.java ├── 100199-G_BeautifulPeople.java ├── 100200-A_UniqueAttack.java ├── 100200-B_BurningBridges.java ├── 100200-E_DVD.java ├── 100200-F_ThinkPositive.java ├── 100200-G_Ranking.java ├── 100200-H_DrivingStraight.java ├── 100201-B_TheMinimalAngle.java ├── 100201-C_YellowCode.java ├── 100201-D_YetAnotherDigit.java ├── 100201-E_GraduatedLexicographicalOrdering.java ├── 100201-H_Don'tGoLeft.cpp ├── 100201-I_RailroadSort.java ├── 100202-A_LittleBrackets.java ├── 100202-B_UnderControl.java ├── 100202-G_Puzzle.java ├── 100204-A_NonoptimalAssignments.java ├── 100204-B_Cryptography.java ├── 100204-C_FibonacciSubsequence.java ├── 100204-D_HexagonandRhombicDominoes.java ├── 100204-E_StrangeLimit.java ├── 100204-H_OilDeal.java ├── 100204-I_BishopsonaToralBoard.java ├── 100269-A_ArrangementofContest.java ├── 100269-B_BallotAnalyzingDevice.java ├── 100269-D_DwarfTower.cpp ├── 100269-E_EnergyTycoon.java ├── 100269-F_FlightBoardingOptimization.java ├── 100269-G_Garage.java ├── 100269-H_HeavyChainClusterization.java ├── 100269-K_KidsinaFriendlyClass.java ├── 100283-C_TombRaiders.cpp ├── 100283-E_Ghanophobia.cpp ├── 100283-F_BakkarInTheArmy.cpp ├── 100283-G_JengaInTheMilitaryUnit.cpp ├── 100283-I_BakkarInZanzibar.cpp ├── 100283-K_CubesShuffling.cpp ├── 100285-A_Podracing.java ├── 100285-B_Thebattleneartheswamp.java ├── 100285-C_CVS.java ├── 100285-D_Thischeeseburgeryoudon'tneed.java ├── 100285-E_TheEmperor'splan.cpp ├── 100285-F_Illegalspices.java ├── 100285-H_Thosearenotthedroidsyou'relookingfor.java ├── 100285-I_TheoldPadawan.java ├── 1003-A_Polycarp'sPockets.cpp ├── 1003-B_BinaryStringConstructing.cpp ├── 1003-C_IntenseHeat.cpp ├── 1003-D_CoinsandQueries.cpp ├── 1003-E_TreeConstructing.cpp ├── 1003-F_Abbreviation.cpp ├── 1004-A_SonyaandHotels.cpp ├── 1004-B_SonyaandExhibition.cpp ├── 1004-C_SonyaandRobots.cpp ├── 1004-E_SonyaandIceCream.cpp ├── 100431-D_BubbleSort.cpp ├── 100482-A_ColorfulTree.java ├── 100482-B_Farmer.java ├── 100482-C_LetterArray.java ├── 100482-D_Lightning.java ├── 100482-E_MagicalCode.java ├── 100482-F_MagicianWars.java ├── 100482-G_Pairs.java ├── 100482-H_RealMagic.java ├── 100482-I_Searching.java ├── 100482-J_Triangles.java ├── 1005-A_TanyaandStairways.cpp ├── 1005-B_DeletefromtheLeft.cpp ├── 1005-C_SummarizetothePowerofTwo.cpp ├── 1005-D_PolycarpandDiv3.cpp ├── 1005-E1_MedianonSegments(PermutationsEdition).cpp ├── 1005-E2_MedianonSegments(GeneralCaseEdition).cpp ├── 1005-F_BerlandandtheShortestPaths.cpp ├── 100513-C_ComponentTree.cpp ├── 100531-A_AlarmClock.cpp ├── 100531-B_Buffcraft.cpp ├── 100531-B_Buffcraft.java ├── 100531-D_Digits.java ├── 100531-G_Grave.java ├── 100531-J_JoyofFlight.java ├── 100531-K_KebabHouse.java ├── 100534-D_CoinTable.java ├── 100570-F_TreeQuery.cpp ├── 1006-A_AdjacentReplacements.cpp ├── 1006-B_Polycarp'sPractice.cpp ├── 1006-C_ThreePartsoftheArray.cpp ├── 1006-D_TwoStringsSwaps.cpp ├── 1006-E_MilitaryProblem.cpp ├── 1006-F_Xor-Paths.cpp ├── 100624-A_Kingdoms.java ├── 100624-C_Chemist'svows.java ├── 100624-D_Non-boringsequences.cpp ├── 100624-E_Wordequations.java ├── 100624-G_Jewelheist.java ├── 100624-H_Darts.cpp ├── 100624-I_TheDragonandtheknights.java ├── 100624-J_Conservation.java ├── 100625-A_AdministrativeDifficulties.java ├── 100625-D_DestinationUnknown.java ├── 100625-F_FlyingSafely.cpp ├── 100625-I_Incognito.java ├── 100676-A_A.RelationalOperator.cpp ├── 100676-B_B.ThreeAngles.cpp ├── 100676-C_C.MemoryisFull.cpp ├── 100676-D_D.Sudoku.cpp ├── 100676-E_E.TimeLimitExceeded?.cpp ├── 100694-B_FarManager.cpp ├── 100694-E_SuperHyperMarket.cpp ├── 100694-G_TheLostGraph.cpp ├── 100694-H_NoisyLecture.cpp ├── 100699-N1_string.java ├── 100699-N2_triangle.java ├── 100699-N3_calc.java ├── 100699-N4_tree.java ├── 100699-N5_islands.java ├── 1007-A_ReordertheArray.cpp ├── 100712-A_WhoIsTheWinner.cpp ├── 100712-B_Rock-Paper-Scissors.cpp ├── 100712-C_StreetLamps.cpp ├── 100712-D_AlternatingStrings.cpp ├── 100712-E_EpicProfessor.cpp ├── 100712-F_TravellingSalesman.cpp ├── 100712-G_HeavyCoins.cpp ├── 100712-H_Bridges.cpp ├── 100712-J_Candy.cpp ├── 100712-K_RuntimeError.cpp ├── 100739-C_Brokenrobot.java ├── 100739-I_Redandyellow.java ├── 100739-L_Manyrecursions.java ├── 100753-B_BountyHunterII.cpp ├── 100753-B_BountyHunterII.java ├── 100753-E_ChangeofScenery.cpp ├── 100753-G_ExtremeSort.cpp ├── 100753-H_LegacyCode.java ├── 100753-I_Millingmachines.java ├── 100753-K_Upsidedownprimes.java ├── 100781-C_Cryptographer'sConundrum.java ├── 100781-D_DisastrousDowntime.java ├── 100781-G_GoblinGardenGuards.cpp ├── 100792-A_Anagrams.java ├── 100792-C_Colder-Hotter.java ├── 100792-D_DelayTime.cpp ├── 100792-I_IllegalorNot?.java ├── 1008-A_Romaji.cpp ├── 1008-B_TurntheRectangles.cpp ├── 100801-A_AlexOrigamiSquares.cpp ├── 100801-B_BlackandWhite.java ├── 100801-C_Concatenation.cpp ├── 100801-E_EasyArithmetic.java ├── 100801-H_HashCodeHacker.java ├── 100801-J_Journeytothe"TheWorld'sStart".java ├── 100801-L_LuckyChances.java ├── 100803-A_BitStringReordering.cpp ├── 100803-B_Miscalculation.java ├── 100803-F_ThereisNoAlternative.cpp ├── 100814-A_ArcadeGame.cpp ├── 100814-B_UnluckyTeacher.java ├── 100814-D_FrozenRivers.java ├── 100814-F_Geometry.java ├── 100814-G_Itisallaboutwisdom.java ├── 100814-I_Salem.cpp ├── 100883-B_Rectangles.cpp ├── 100883-C_TooManyCoins.java ├── 100883-D_CardGame.cpp ├── 100883-E_xortion.java ├── 100883-F_PrintMixStrings.cpp ├── 100883-G_CountMixStrings.cpp ├── 100883-H_tourists.java ├── 100883-J_palprime.java ├── 100886-G_MaximumProduct.cpp ├── 1009-A_GameShopping.cpp ├── 1009-B_MinimumTernaryString.cpp ├── 1009-C_AnnoyingPresent.cpp ├── 1009-D_RelativelyPrimeGraph.cpp ├── 1009-E_IntercityTravelling.cpp ├── 1009-F_DominantIndices.cpp ├── 100935-A_Time.cpp ├── 100935-B_WeirdCryptography.cpp ├── 100935-B_WeirdCryptography.java ├── 100935-C_OCR.cpp ├── 100952-A_Whoisthewinner?.java ├── 100952-B_NewJob.java ├── 100952-C_PalindromeAgain!!.java ├── 100952-D_Timetogoback.java ├── 100952-E_ArrangeTeams.java ├── 100952-F_ContestantsRanking.java ├── 100952-G_Thejarofdivisors.java ├── 100952-H_SpecialPalindrome.java ├── 100952-I_Mancala.java ├── 100952-J_PolygonsIntersection.java ├── 100956-D_GreedyGame.java ├── 100985-A_MaratonIMEhelpsPablito.cpp ├── 100985-C_MaratonIMEplaysNim.java ├── 100985-E_MaratonIMEridestheuniversitybus.java ├── 100985-F_MaratonIMEattendsthelecture(ornot).java ├── 100985-G_MaratonIMEgoesrowing.java ├── 100985-H_MaratonIMEgoestothemovies.cpp ├── 100985-I_MaratonIMEgoestoajapaneserestaurant.java ├── 100985-J_MaratonIMEgoestothejapaneserestaurant(again).java ├── 100985-K_MaratonIMEgoestothekaraoke.java ├── 100985-L_MaratonIMEgoeskarting.cpp ├── 100985-M_MaratonIMEreturnshome.java ├── 100993-B_TraininaTunnel.java ├── 101020-A_Window.java ├── 101020-B_PaperGame.java ├── 101020-C_Rectangles.java ├── 101020-D_Sequences.cpp ├── 101020-E_Napoléon.cpp ├── 101020-F_TheBestStrategy.java ├── 101020-G_CutiePie.java ├── 101020-H_Weekend.cpp ├── 101020-I_PlayingWithStrings.java ├── 101020-J_GoodCoins.java ├── 101021-A_GuesstheNumber.cpp ├── 101021-A_GuesstheNumber.java ├── 101028-A_CodeforcesRating.cpp ├── 101028-B_Bonapity.cpp ├── 101028-C_AorBEqualsC.cpp ├── 101028-D_Xandpaintings.cpp ├── 101028-E_Teams.cpp ├── 101028-F_GoodWords.java ├── 101028-G_TheTowerofEvil.cpp ├── 101047-B_Renzoandthepalindromicdecoration.java ├── 101047-C_RoboticsCompetition.java ├── 101047-E_EscapefromAyutthaya.cpp ├── 101047-K_TrainingwithPhuket'slarvae.cpp ├── 101047-L_Puttingplatesonthetuk-tuks.java ├── 101047-M_RemovingcoinsinKemKadrãn.java ├── 101055-F_Alexandria'sOracle.cpp ├── 101055-G_Ramses'Games.cpp ├── 101061-A_Cards.java ├── 101061-B_RGBplants.java ├── 101061-C_Ramzi.java ├── 101061-D_MaxorMin..thatisthequestion!.java ├── 101061-E_Playingwithnumbers.java ├── 101061-F_Fairness.java ├── 101061-G_Repeatit.java ├── 101061-I_Playingwithstrings.java ├── 101061-J_Cola.java ├── 101061-K_Army.java ├── 101064-C_Cahokiaruins.java ├── 101064-F_Metaldetector.cpp ├── 101081-C_SaltMine.java ├── 101081-D_FireFlowers.java ├── 101081-E_PolishFortress.cpp ├── 101081-G_7168–SMOK.cpp ├── 101081-H_WarsawUniversity.java ├── 101081-I_PolishSolidarity.java ├── 101081-K_Pope'swork.java ├── 101086-A_MyFriendofMisery.java ├── 101086-F_HeyJUDgE.java ├── 101086-G_ParadiseCity.java ├── 101086-H_AnotherSquareintheFloor.java ├── 101086-J_SmoothDeveloper.java ├── 101086-L_Chance.java ├── 101086-M_ACPCHeadquarters:AASTMT(StairwaytoHeaven).cpp ├── 101090-G_Pair.java ├── 101090-J_Selection.java ├── 101090-K_Parquet.java ├── 101090-L_ClosingtheLoop.java ├── 101095-X_InvestingattheMarket.java ├── 101095-Y_GettoWork.java ├── 101095-Z_DanceAroundTheClock.java ├── 1011-A_Stages.cpp ├── 1011-B_PlanningTheExpedition.cpp ├── 1011-C_Fly.cpp ├── 101102-A_Coins.java ├── 101102-B_TheLittleMatchGirl.java ├── 101102-C_BoredJudge.java ├── 101102-E_YaRajaieandBooks.cpp ├── 101102-F_Exchange.java ├── 101102-H_Cinema.java ├── 101102-K_TopologicalSort.cpp ├── 101138-B_PenPineappleApplePen.cpp ├── 101138-E_Bravebeart.cpp ├── 101142-A_AnniversaryCake.java ├── 101142-C_CodeCodervsTopForces.java ├── 101142-D_DigitalAddition.java ├── 101142-F_Folding.java ├── 101142-G_GangstersinCentralCity.java ├── 101142-I_IntegralPolygons.java ├── 101142-J_Java2016.java ├── 101142-K_King'sHeir.java ├── 1012-A_PhotoofTheSky.cpp ├── 1012-B_Chemicaltable.cpp ├── 1012-C_Hills.cpp ├── 101206-A_TheThirdCupisFree.java ├── 101206-D_GameLeader.java ├── 101206-H_EngineerAssignment.java ├── 101206-I_Mr.PandaandCrystal.java ├── 101206-J_WorriedSchool.java ├── 101206-L_DaylightSavingTime.java ├── 101243-A_FriedFish.java ├── 101243-B_Hanoitower.java ├── 101243-C_Desktop.java ├── 101243-D_WeatherStation.java ├── 101243-E_Cupcakes.java ├── 101243-F_Vitamins.java ├── 101243-G_Sphenicnumbers.java ├── 101243-H_Non-randomnumbers.java ├── 101243-J_ArchitectofYourOwnFortune.java ├── 101243-K_Polymorphiccode.java ├── 101350-B_UnusualTeam.java ├── 101350-C_CheapKangaroo.java ├── 101350-D_MagicalBamboos.java ├── 101350-E_CompetitiveSeagulls.java ├── 101350-F_MonkeyingAround.java ├── 101350-G_SnakeRana.java ├── 101350-H_MirroredStringI.java ├── 101350-I_MirroredStringII.java ├── 101350-J_LazyPhysicsCat.java ├── 101350-K_OwlGeeks.java ├── 101350-M_MakeCents?.java ├── 101401-A_SmileyFaces(A).cpp ├── 101401-B_SmileyFaces(B).cpp ├── 101401-C_SmileyFaces(C).cpp ├── 101401-D_Roads(A).cpp ├── 101401-E_Roads(B).cpp ├── 101401-F_Balloons(A).cpp ├── 101401-G_Balloons(B).cpp ├── 101401-H_DataStructuresExam(A).cpp ├── 101401-I_DataStructuresExam(B).cpp ├── 101401-J_Jackaroo.cpp ├── 101411-B_"BullsandCows".java ├── 101411-C_Courier'sRoute.java ├── 101411-D_DalesandHills.java ├── 101411-E_ExtremalPermutations.java ├── 101411-F_FigureansSpots.java ├── 101411-G_GameforLittleJohnny.java ├── 101411-H_HotelinVesLagos.java ├── 101411-K_KidsandPrizes.java ├── 101411-L_L-Shapes.java ├── 101484-A_BathTemperature.java ├── 101484-B_Nicoleta'sCleaning.java ├── 101484-C_LeadingtheScoreboard.java ├── 101484-E_DoubleFence.java ├── 101484-F_NoLink,CutTree!.java ├── 101484-G_HungryCanadian.java ├── 101484-J_BeautifulTriangles.java ├── 101485-A_AssigningWorkstations.java ├── 101485-C_CleaningPipes.java ├── 101485-D_Debugging.java ├── 101485-E_ElementaryMath.java ├── 101485-G_GuessingCamels.java ├── 101485-I_IdentifyingMapTiles.java ├── 101485-J_JumbledCommunication.java ├── 101485-K_KitchenCombinatorics.java ├── 101490-B_BattleSimulation.java ├── 101490-C_Brexit.java ├── 101490-D_BridgeAutomation.java ├── 101490-E_CharlesinCharge.java ├── 101490-G_ManhattanPositioningSystem.java ├── 101490-I_OlderBrother.java ├── 101490-J_ProgrammingTutors.java ├── 101490-K_SafeRacing.java ├── 101490-L_StickySituation.java ├── 1015-A_PointsinSegments.cpp ├── 1015-B_ObtainingtheString.cpp ├── 1015-C_SongsCompression.cpp ├── 1015-D_WalkingBetweenHouses.cpp ├── 1015-E1_StarsDrawing(EasyEdition).cpp ├── 1015-E2_StarsDrawing(HardEdition).cpp ├── 1015-F_BracketSubstring.cpp ├── 101503-A_Snooker.java ├── 101503-B_JointheStrings.java ├── 101503-C_TwistingtheNumber.java ├── 101503-H_Billing.java ├── 101503-J_NumbersPainting.java ├── 101503-K_ExtrasensoryPerception.java ├── 101503-L_RemoteControl.java ├── 101512-B_ButtonBashing.java ├── 101512-E_ExcellentEngineers.java ├── 101512-G_GrowlingGears.java ├── 101532-A_SubarraysBeauty.java ├── 101532-B_ArrayReconstructing.java ├── 101532-C_LargeSummation.java ├── 101532-D_CountingTest.java ├── 101532-E_GameofDice.java ├── 101532-F_StringsandQueries.java ├── 101532-G_MagicalIndices.java ├── 101532-H_CorruptedImages.java ├── 101532-I_TheCrazyJumper.java ├── 101532-J_TheHellBoy.java ├── 101532-K_PalindromesBuilding.java ├── 101572-A_AirportCoffee.java ├── 101572-B_BestRelayTeam.java ├── 101572-C_CompassCardSales.java ├── 101572-D_DistinctiveCharacter.java ├── 101572-E_EmptyingtheBaltic.java ├── 101572-G_GalacticCollegiateProgrammingContest.java ├── 101572-I_ImportSpaghetti.java ├── 101572-J_JudgingMoose.java ├── 101572-K_KayakingTrip.java ├── 101597-B_TriangleinaTriangle.java ├── 101597-C_Candydivision.java ├── 101597-D_Effectivenetwork.java ├── 101597-E_Collection.java ├── 101597-F_MattressRun.java ├── 101597-J_BoxHedge.java ├── 101597-K_ACM.java ├── 1016-A_DeathNote.cpp ├── 1016-B_SegmentOccurrences.java ├── 1016-C_VasyaAndTheMushrooms.cpp ├── 1016-D_VasyaAndTheMatrix.cpp ├── 101604-A_AlmostPalindrome.java ├── 101604-B_WetSharkandCoordinatePlaneGame.java ├── 101604-C_WetSharkandDigitEnemies.java ├── 101604-D_WetSharkandSmallestNumber.java ├── 101606-A_AlienSunset.java ├── 101606-C_CuedIn.java ├── 101606-D_DerangingHat.java ├── 101606-E_Education.java ├── 101606-F_FlippingCoins.java ├── 101606-G_Gentlebots.java ├── 101606-H_Hiking.java ├── 101606-I_IWorkAllDay.java ├── 101606-J_JustAMinim.java ├── 101606-K_KnightsbridgeRises.java ├── 101606-L_LizardLounge.java ├── 101611-A_AdvertisingStrategy.java ├── 101611-C_Carpet.java ├── 101611-D_DecodingofVarints.java ├── 101611-F_FakeorLeak?.java ├── 101611-G_GodofWinds.java ├── 101611-H_HilariousCooking.java ├── 101612-A_AuxiliaryProject.java ├── 101612-B_BooleanSatisfability.java ├── 101612-C_ConsonantFencity.java ├── 101612-E_EqualNumbers.java ├── 101612-H_HiddenSupervisors.java ├── 101612-I_IntelligenceinPerpendicularia.java ├── 101612-K_KotlinIsland.java ├── 101612-L_LittleDifference.java ├── 101615-A_OddPalindrome.java ├── 101615-C_FearFactoring.java ├── 101615-D_RainbowRoads.java ├── 101615-E_StraightShot.java ├── 101615-G_SecurityBadge.java ├── 101615-I_LongLongStrings.java ├── 101615-J_GridColoring.java ├── 101615-L_DelayedWork.java ├── 101615-M_Unsatisfying.java ├── 101617-A_DucksinaRow.cpp ├── 101617-D_JumpingHaybales.cpp ├── 101617-E_LongLongStrings.java ├── 101617-G_RainbowRoads.cpp ├── 101617-H_SecurityBadges.cpp ├── 101617-I_StarArrangements.java ├── 101617-J_TreasureMap.java ├── 101617-K_Unsatisfying.java ├── 101620-A_AssignmentAlgorithm.java ├── 101620-F_FaultyFactorial.java ├── 101620-H_HiddenHierarchy.java ├── 101630-A_ArcheryTournament.java ├── 101630-B_Box.java ├── 101630-C_Connections.java ├── 101630-D_DesigningtheToy.java ├── 101630-E_EasyQuest.cpp ├── 101630-L_LaminarFamily.cpp ├── 101635-A_CakeyMcCakeFace.java ├── 101635-C_Macarons.java ├── 101635-D_CandyChain.java ├── 101635-E_Ingredients.java ├── 101635-F_ShatteredCake.java ├── 101635-J_FrostingontheCake.java ├── 101635-K_BlowingCandles.java ├── 101666-A_AmsterdamDistance.cpp ├── 101666-D_Detour.cpp ├── 101666-F_FallingApart.java ├── 101666-I_IrrationalDivision.cpp ├── 101666-K_KingoftheWaves.java ├── 101666-M_ManhattanMornings.java ├── 101667-C_GameMap.cpp ├── 101667-D_HappyNumber.java ├── 101667-E_HowManytoBeHappy?.cpp ├── 101667-I_SlotMachines.cpp ├── 101669-A_Concerts.java ├── 101669-D_HarryPotterandTheVectorSpell.cpp ├── 101669-F_BinaryTransformations.cpp ├── 101669-G_Robots.cpp ├── 101669-J_CunningFriends.cpp ├── 101669-K_EscapeRoom.cpp ├── 101673-C_DRMMessages.cpp ├── 101673-D_GameofThrowns.cpp ├── 101673-E_Is-A?Has-A?WhoKnowz-A?.cpp ├── 101673-F_KeepingOnTrack.cpp ├── 101673-G_AQuestionofIngestion.cpp ├── 101673-H_Sheba'sAmoebas.cpp ├── 101673-I_TwentyFour,Again.java ├── 101673-J_WorkoutforaDumbbell.cpp ├── 1017-A_TheRank.cpp ├── 1017-B_TheBits.cpp ├── 1017-C_ThePhoneNumber.java ├── 1017-D_TheWu.cpp ├── 101778-A_WillheDie?.cpp ├── 101778-B_RanandtheLockCode.cpp ├── 101778-C_ProfessorAgasaLab.cpp ├── 101778-D_HelpConan.cpp ├── 101778-E_RescueHaibara.cpp ├── 101778-F_MedianandQueries.cpp ├── 101778-G_PreparingforExams.cpp ├── 101778-H_GentaGame.cpp ├── 101778-I_UEFAChampionsLeague.cpp ├── 101778-J_GinPasswords.cpp ├── 101778-K_ConanandScoreboard.cpp ├── 101801-A_A.CanShahhoudSolveit?.cpp ├── 101801-B_B.DefeattheMonsters.cpp ├── 101801-C_C.UCLGameNight.java ├── 101801-E_E.CreateYourOwnNimGame.cpp ├── 101801-F_F.NimCheater.cpp ├── 101801-H_H.Don’tEverAskaGirlforherCodeforcesAccount.cpp ├── 101801-I_I.OddandEvenQueries.cpp ├── 101801-J_J.WeirdSum.java ├── 101801-K_K.QuantumStones.cpp ├── 101801-L_L.OddandEvenCount.cpp ├── 101806-P_PuyoPuyo.java ├── 101806-Q_QueryreuQ.cpp ├── 101806-S_Segmentation.java ├── 101806-V_VoronoiDiagram.java ├── 101806-W_WinterOlympicGames.java ├── 101806-Z_Zigzag.java ├── 101810-A_CarefulThief.cpp ├── 101810-B_FriendsandCookies.cpp ├── 101810-C_FliptheBits.cpp ├── 101810-D_MagicSticks.cpp ├── 101810-E_N-DimensionalGrid.cpp ├── 101810-F_MinimumSumofArray.cpp ├── 101810-H_MakingFriends.cpp ├── 101810-I_SplittheNumber.cpp ├── 101810-M_GreedyPirate.cpp ├── 101858-A_Alluka'sCurse.cpp ├── 101858-B_BattleSequence.cpp ├── 101858-D_DollCollector.cpp ├── 101858-F_FriezaFrenzy.cpp ├── 101858-G_GiftSwords.cpp ├── 101858-H_Heaven'sArena.cpp ├── 101858-I_ImportantEquipment.cpp ├── 101858-J_JaegerTraining.cpp ├── 101858-K_Killua'sRace.cpp ├── 101864-A_ACriminal.java ├── 101864-B_ALeapoffaith.cpp ├── 101864-C_BACS,ScoundrelShopkeeperandContiguousSequence.cpp ├── 101864-D_BeautyandTheTree.cpp ├── 101864-E_DiverseGroup.java ├── 101864-F_FootballFreeKick.java ├── 101864-I_MarbelousMeena.cpp ├── 101864-J_NonSuperBoringSubstring.cpp ├── 101864-K_RayRayArray.cpp ├── 101864-L_SchoolReunion.java ├── 101864-M_TFF.java ├── 101873-B_Buildings.cpp ├── 101873-C_Joyride.cpp ├── 101873-D_PantsOnFire.cpp ├── 101873-F_PlugItIn.cpp ├── 101873-G_WaterTesting.cpp ├── 101873-H_Ratatoskr.cpp ├── 101873-I_Uberwatch.cpp ├── 101873-K_YouAreFired.cpp ├── 101879-B_Aestheticsinpoetry.cpp ├── 101879-C_Promenadebythelake.cpp ├── 101879-D_MaximizingAdvertising.cpp ├── 101879-E_Groupwork.cpp ├── 101879-F_OptimizingTransportationinPortugal.java ├── 101879-G_Runningapenitentiary.java ├── 101879-H_WineProduction.java ├── 101879-I_Astoryabouttea.java ├── 101879-J_MemeWars.cpp ├── 101889-B_BuggyICPC.java ├── 101889-C_CompleteNaebbirac'ssequence.cpp ├── 101889-E_Enigma.cpp ├── 101889-F_Fundraising.cpp ├── 101889-G_Gatesofuncertainty.cpp ├── 101889-H_Hardchoice.cpp ├── 101889-I_Imperialroads.java ├── 101889-J_Jumpingfrog.cpp ├── 101889-M_Marblecoin.cpp ├── 101908-B_Marbles.cpp ├── 101908-C_PizzaCutter.cpp ├── 101908-D_UnravelingMontyHall.cpp ├── 101908-E_Enigma.cpp ├── 101908-F_MusicFestival.cpp ├── 101908-I_Switches.cpp ├── 101908-L_SubwayLines.java ├── 101915-A_PrintingBooks.cpp ├── 101915-C_ShahhoudTrainingHussain.cpp ├── 101915-D_LargestGroup.cpp ├── 101915-E_Minesweeper.cpp ├── 101915-F_AMissingProbleminTCPC2017.cpp ├── 101915-G_Robots.cpp ├── 101915-H_BuyingProducts.cpp ├── 101915-I_AMovieinByteland.cpp ├── 101915-J_TheVolcanoEruption.cpp ├── 101915-K_PoorRamzi.cpp ├── 101933-B_BabyBites.cpp ├── 101933-C_CodeCleanups.java ├── 101933-D_DeliveryDelays.cpp ├── 101933-H_HouseLawn.java ├── 101933-I_IntergalacticBidding.java ├── 101933-J_JumbledString.java ├── 101933-K_King'sColors.cpp ├── 102-B_SumofDigits.cpp ├── 1020-A_NewBuildingforSIS.cpp ├── 1020-B_Badge.cpp ├── 1020-C_Elections.cpp ├── 1023-A_SingleWildcardPatternMatching.cpp ├── 1023-B_PairofToys.cpp ├── 1023-C_BracketSubsequence.cpp ├── 1023-D_ArrayRestoration.cpp ├── 1023-E_DownorRight.cpp ├── 1025-A_DoggoRecoloring.cpp ├── 1025-C_Plasticinezebra.cpp ├── 1025-D_RecoveringBST.cpp ├── 1027-A_PalindromicTwist.cpp ├── 1027-B_NumbersontheChessboard.cpp ├── 1027-C_MinimumValueRectangle.cpp ├── 1027-D_MouseHunt.java ├── 1027-E_InverseColoring.cpp ├── 1028-A_FindSquare.cpp ├── 1028-B_UnnaturalConditions.cpp ├── 1028-C_Rectangles.cpp ├── 1029-A_ManyEqualSubstrings.cpp ├── 1029-B_CreatingtheContest.cpp ├── 1029-C_MaximalIntersection.cpp ├── 1029-D_ConcatenatedMultiples.cpp ├── 1029-E_TreewithSmallDistances.cpp ├── 1029-F_MulticoloredMarkers.cpp ├── 103-A_TestingPantsforSadness.java ├── 103-B_Cthulhu.java ├── 1033-A_KingEscape.cpp ├── 1033-B_SquareDifference.cpp ├── 1033-C_PermutationGame.cpp ├── 1033-D_Divisors.cpp ├── 1036-A_FunctionHeight.cpp ├── 1036-D_VasyaandArrays.cpp ├── 1037-A_Packets.cpp ├── 1037-B_ReachMedian.cpp ├── 1037-C_Equalize.cpp ├── 1037-D_ValidBFS?.cpp ├── 1037-E_Trips.cpp ├── 1037-F_MaximumReduction.cpp ├── 1038-A_Equality.cpp ├── 1038-B_Non-CoprimePartition.cpp ├── 1038-C_Gambling.cpp ├── 1039-B_SubwayPursuit.cpp ├── 104-A_Blackjack.java ├── 1041-A_Heist.java ├── 1041-B_BuyingaTVSet.java ├── 1041-C_CoffeeBreak.java ├── 1043-A_Elections.cpp ├── 1043-B_LostArray.cpp ├── 1043-C_SmallestWord.cpp ├── 1043-D_MysteriousCrime.cpp ├── 1043-E_TrainHard,WinEasy.cpp ├── 1043-F_MakeItOne.cpp ├── 1047-A_LittleCLoves3I.cpp ├── 1047-B_CoverPoints.cpp ├── 1047-C_EnlargeGCD.cpp ├── 1054-A_ElevatororStairs?.cpp ├── 1054-B_AppendingMex.cpp ├── 1054-C_CandiesDistribution.cpp ├── 1054-D_ChangingArray.cpp ├── 1056-A_DetermineLine.cpp ├── 1056-B_DivideCandies.cpp ├── 1056-C_PickHeroes.cpp ├── 1056-D_DecorateAppleTree.java ├── 1058-A_InSearchofanEasyProblem.cpp ├── 1058-B_VasyaandCornfield.cpp ├── 1058-C_VasyaandGoldenTicket.cpp ├── 1058-D_VasyaandTriangle.cpp ├── 106-A_CardGame.java ├── 106-C_Buns.cpp ├── 1060-A_PhoneNumbers.cpp ├── 1060-B_MaximumSumofDigits.cpp ├── 1060-C_MaximumSubrectangle.cpp ├── 1060-D_SocialCircles.java ├── 1060-E_SergeyandSubway.java ├── 1061-A_Coins.java ├── 1061-B_ViewsMatter.java ├── 1061-C_Multiplicity.cpp ├── 1061-D_TVShows.java ├── 1062-A_APrank.java ├── 1062-B_Math.java ├── 1062-C_Banh-mi.java ├── 1063-A_OhThosePalindromes.cpp ├── 1063-B_Labyrinth.cpp ├── 1065-A_VasyaandChocolate.cpp ├── 1065-B_VasyaandIsolatedVertices.cpp ├── 1065-C_MakeItEqual.cpp ├── 1065-D_ThreePieces.cpp ├── 1065-E_SideTransmutations.cpp ├── 1067-B_Multihedgehog.cpp ├── 107-A_DormWaterSupply.java ├── 107-B_BasketballTeam.java ├── 1070-A_FindaNumber.cpp ├── 1070-C_CloudComputing.java ├── 1070-D_GarbageDisposal.cpp ├── 1070-E_GettingDealsDone.cpp ├── 1070-F_Debate.java ├── 1070-G_MonstersandPotions.cpp ├── 1070-H_BerOSFileSuggestion.java ├── 1070-K_VideoPosts.java ├── 1071-A_CramTime.cpp ├── 1071-B_Minimumpath.cpp ├── 1073-B_VasyaandBooks.cpp ├── 1073-C_VasyaandRobot.cpp ├── 1076-A_MinimizingtheString.java ├── 1076-B_DivisorSubtraction.java ├── 1076-C_MemeProblem.java ├── 1077-A_FrogJumping.cpp ├── 1077-B_DisturbedPeople.cpp ├── 1077-C_GoodArray.cpp ├── 1077-D_CuttingOut.cpp ├── 1079-A_KitchenUtensils.cpp ├── 1079-B_PersonalizedCup.cpp ├── 1079-C_PlayingPiano.cpp ├── 108-A_PalindromicTimes.cpp ├── 108-B_Datatypes.cpp ├── 1080-A_PetyaandOrigami.java ├── 1080-B_Margariteandthebestpresent.java ├── 1080-C_Mashaandtwofriends.java ├── 1081-A_DefiniteGame.go ├── 1081-A_DefiniteGame.java ├── 1081-B_FarewellParty.java ├── 1081-C_ColorfulBricks.cpp ├── 1081-D_MaximumDistance.cpp ├── 1081-E_MissingNumbers.java ├── 1082-A_VasyaandBook.cpp ├── 1082-B_VovaandTrophies.cpp ├── 1082-C_Multi-SubjectCompetition.cpp ├── 1082-D_MaximumDiameterGraph.cpp ├── 1082-E_IncreasingFrequency.cpp ├── 1084-A_TheFairNutandElevator.java ├── 1084-B_KvassandtheFairNut.java ├── 1084-C_TheFairNutandString.java ├── 1088-A_Ehabandanotherconstructionproblem.java ├── 1088-B_Ehabandsubtraction.java ├── 1088-C_Ehabanda2-operationtask.java ├── 1088-D_Ehabandanotheranotherxorproblem.java ├── 109-A_LuckySumofDigits.java ├── 109-B_LuckyProbability.cpp ├── 109-C_LuckyTree.java ├── 1092-A_UniformString.go ├── 1092-B_TeamsForming.go ├── 1092-C_PrefixesandSuffixes.go ├── 1092-D1_GreatVovaWall(Version1).go ├── 1092-D2_GreatVovaWall(Version2).go ├── 1092-F_TreewithMaximumCost.go ├── 1093-A_DiceRolling.java ├── 1093-B_LettersRearranging.java ├── 1093-C_MishkaandtheLastExam.java ├── 1093-D_BeautifulGraph.cpp ├── 1093-G_MultidimensionalQueries.cpp ├── 11-A_IncreasingSequence.cpp ├── 11-D_ASimpleTask.java ├── 110-A_NearlyLuckyNumber.cpp ├── 110-B_LuckyString.cpp ├── 110-E_LuckyTree.java ├── 111-A_PetyaandInequiations.java ├── 112-A_PetyaandStrings.java ├── 112-B_PetyaandSquare.java ├── 113-B_Petr#.java ├── 114-A_Cifera.java ├── 115-A_Party.cpp ├── 115-A_Party.java ├── 116-A_Tram.java ├── 116-B_LittlePigsandWolves.java ├── 116-C_Party.java ├── 118-A_StringTask.java ├── 118-B_PresentfromLena.cpp ├── 118-D_Caesar'sLegions.java ├── 119-A_EpicGame.java ├── 12-A_SuperAgent.java ├── 12-B_CorrectSolution?.java ├── 120-E_PutKnight!.java ├── 121-A_LuckySum.cpp ├── 121-B_LuckyTransformation.java ├── 122-A_LuckyDivision.cpp ├── 122-A_LuckyDivision.java ├── 122-B_LuckySubstring.cpp ├── 122-C_LuckySum.cpp ├── 123-D_String.java ├── 124-A_Thenumberofpositions.cpp ├── 124-B_Permutations.java ├── 126-B_Password.cpp ├── 126-B_Password.java ├── 127-A_WastedTime.java ├── 127-B_CanvasFrames.cpp ├── 128-C_GameswithRectangle.cpp ├── 129-A_Cookies.java ├── 129-B_StudentsandShoelaces.java ├── 129-D_String.java ├── 13-A_Numbers.java ├── 13-C_Sequence.java ├── 131-A_cAPSlOCK.java ├── 131-B_OppositesAttract.java ├── 131-C_TheWorldisaTheatre.cpp ├── 131-D_Subway.java ├── 133-A_HQ9+.java ├── 133-B_Unary.java ├── 134-A_AverageNumbers.java ├── 135-A_Replacement.java ├── 135-B_RectangleandSquare.java ├── 136-A_Presents.cpp ├── 136-A_Presents.java ├── 136-A_Presents.python ├── 136-B_TernaryLogic.java ├── 137-A_Postcardsandphotos.java ├── 137-B_Permutation.java ├── 137-D_Palindromes.cpp ├── 139-A_PetrandBook.java ├── 139-B_Wallpaper.java ├── 14-A_Letter.cpp ├── 14-D_TwoPaths.cpp ├── 140-A_NewYearTable.cpp ├── 140-D_NewYearContest.java ├── 141-A_AmusingJoke.cpp ├── 141-B_Hopscotch.cpp ├── 143-A_HelpVasilisatheWise2.cpp ├── 143-C_HelpFarmer.java ├── 143-D_HelpGeneral.java ├── 144-A_ArrivaloftheGeneral.cpp ├── 144-D_MissileSilos.java ├── 145-A_LuckyConversion.java ├── 146-A_LuckyTicket.java ├── 148-A_Insomniacure.java ├── 148-D_Bagofmice.java ├── 148-E_Porcelain.cpp ├── 149-A_Businesstrip.cpp ├── 149-E_MartianStrings.cpp ├── 15-A_CottageVillage.java ├── 15-C_IndustrialNim.java ├── 150-A_WinorFreeze.java ├── 151-A_SoftDrinking.cpp ├── 151-B_PhoneNumbers.java ├── 151-C_WinorFreeze.java ├── 152-A_Marks.java ├── 152-B_Steps.java ├── 152-C_PocketBook.java ├── 155-A_I_love_\%username\%.cpp ├── 155-B_Combination.cpp ├── 157-A_GameOutcome.java ├── 157-B_Trace.java ├── 158-A_NextRound.cpp ├── 158-A_NextRound.java ├── 158-A_NextRound.python ├── 158-B_Taxi.java ├── 158-C_Cdandpwdcommands.java ├── 158-D_IceSculptures.java ├── 159-B_Matchmaker.java ├── 159-D_Palindromepairs.cpp ├── 16-A_Flag.java ├── 16-B_BurglarandMatches.java ├── 16-C_Monitor.java ├── 160-A_Twins.java ├── 160-B_UnluckyTicket.cpp ├── 161-A_Dress'eminVests!.java ├── 161-B_Discounts.cpp ├── 161-D_DistanceinTree.java ├── 165-A_SupercentralPoint.java ├── 165-B_BurningMidnightOil.java ├── 165-C_AnotherProblemonStrings.cpp ├── 165-D_BeardGraph.java ├── 166-A_RankList.java ├── 166-B_Polygons.java ├── 166-C_Median.cpp ├── 166-E_Tetrahedron.java ├── 167-B_WizardsandHugePrize.java ├── 168-A_WizardsandDemonstration.java ├── 169-B_ReplacingDigits.cpp ├── 17-A_Noldbachproblem.cpp ├── 172-A_PhoneCode.java ├── 175-A_RobotBicornAttack.java ├── 175-B_PlaneofTanks:Pro.java ├── 177-B1_RectangularGame.cpp ├── 177-B2_RectangularGame.cpp ├── 177-D1_EncryptingMessages.java ├── 18-A_Triangle.cpp ├── 18-C_Stripe.cpp ├── 180-C_Letter.cpp ├── 180-F_MathematicalAnalysisRocks!.cpp ├── 182-D_CommonDivisors.cpp ├── 182-E_WoodenFence.java ├── 185-A_Plant.java ├── 186-A_ComparingStrings.java ├── 187-A_Permutations.java ├── 189-A_CutRibbon.cpp ├── 190-A_VasyaandtheBus.cpp ├── 191-A_DynastyPuzzles.java ├── 191-C_FoolsandRoads.java ├── 192-A_FunkyNumbers.java ├── 192-E_FoolsandRoads.java ├── 193-A_CuttingFigure.java ├── 194-A_Exams.java ├── 195-A_Let'sWatchFootball.java ├── 196-A_LexicographicallyMaximumSubsequence.java ├── 197-A_PlateGame.java ├── 197-C_LexicographicallyMaximumSubsequence.java ├── 199-A_Hexadecimal'stheorem.java ├── 2-A_Winner.cpp ├── 2-B_Theleastroundway.java ├── 20-C_Dijkstra?.java ├── 200-B_Drinks.cpp ├── 201-A_ClearSymmetry.java ├── 202-A_LLPS.java ├── 203-A_TwoProblems.java ├── 203-C_Photographer.java ├── 204-E_LittleElephantandStrings.cpp ├── 205-A_LittleElephantandRozdil.java ├── 205-D_LittleElephantandCards.java ├── 208-A_Dubstep.java ├── 208-D_Prizes,Prizes,morePrizes.cpp ├── 208-E_BloodCousins.cpp ├── 214-A_SystemofEquations.cpp ├── 214-B_Hometask.cpp ├── 215-A_BicycleChain.cpp ├── 215-E_PeriodicalNumbers.cpp ├── 216-A_TilingwithHexagons.cpp ├── 216-B_FormingTeams.cpp ├── 217-A_IceSkating.cpp ├── 218-A_MountainScenery.java ├── 218-B_Airport.java ├── 219-A_k-String.java ├── 219-C_ColorStripe.cpp ├── 219-D_ChoosingCapitalforTreeland.java ├── 22-A_SecondOrderStatistics.java ├── 22-B_BargainingTable.java ├── 22-C_SystemAdministrator.cpp ├── 22-D_Segments.java ├── 220-A_LittleElephantandProblem.java ├── 221-A_LittleElephantandFunction.java ├── 221-B_LittleElephantandNumbers.java ├── 221-D_LittleElephantandArray.java ├── 222-A_ShooshunsandSequence.cpp ├── 222-B_CosmicTables.java ├── 222-D_Olympiad.java ├── 222-E_DecodingGenome.java ├── 224-A_Parallelepiped.cpp ├── 224-B_Array.java ├── 225-C_Barcode.java ├── 227-A_WheredoITurn?.cpp ├── 227-B_EffectiveApproach.java ├── 228-A_Isyourhorseshoeontheotherhoof?.java ├── 230-A_Dragons.cpp ├── 230-B_T-primes.cpp ├── 231-A_Team.java ├── 231-B_Magic,WizardryandWonders.java ├── 231-C_ToAddorNottoAdd.java ├── 231-D_MagicBox.cpp ├── 232-A_Cycles.java ├── 233-A_PerfectPermutation.cpp ├── 233-A_PerfectPermutation.java ├── 233-B_Non-squareEquation.java ├── 234-B_Reading.java ├── 234-C_Weather.cpp ├── 235-A_LCMChallenge.cpp ├── 235-B_Let'sPlayOsu!.cpp ├── 236-A_BoyorGirl.java ├── 236-B_EasyNumberChallenge.java ├── 237-A_FreeCash.cpp ├── 239-A_TwoBagsofPotatoes.java ├── 242-A_HeadsorTails.cpp ├── 242-B_BigSegment.java ├── 242-D_Dispute.java ├── 244-A_DividingOrange.cpp ├── 245-A_SystemAdministrator.java ├── 245-B_InternetAddress.java ├── 246-A_BuggySorting.java ├── 246-B_IncreaseandDecrease.cpp ├── 246-D_ColorfulGraph.cpp ├── 246-E_BloodCousinsReturn.cpp ├── 248-A_Cupboards.java ├── 25-A_IQtest.java ├── 25-B_Phonenumbers.java ├── 25-D_RoadsnotonlyinBerland.java ├── 251-A_PointsonLine.cpp ├── 252-A_LittleXor.java ├── 253-A_BoysandGirls.java ├── 253-B_PhysicsPractical.cpp ├── 254-A_CardswithNumbers.java ├── 254-B_JurySize.java ├── 254-C_Anagram.java ├── 255-A_Greg'sWorkout.cpp ├── 255-B_CodeParsing.java ├── 255-C_AlmostArithmeticalProgression.java ├── 257-A_Sockets.java ├── 257-B_PlayingCubes.java ├── 257-C_ViewAngle.java ├── 257-D_Sum.java ├── 257-E_GreedyElevator.java ├── 258-A_LittleElephantandBits.java ├── 259-A_LittleElephantandChess.java ├── 259-B_LittleElephantandMagicSquare.java ├── 26-A_AlmostPrime.java ├── 260-A_AddingDigits.cpp ├── 260-C_BallsandBoxes.java ├── 262-A_RomaandLuckyNumbers.java ├── 262-B_RomaandChangingSigns.java ├── 263-A_BeautifulMatrix.cpp ├── 263-B_Squares.java ├── 264-A_EscapefromStones.java ├── 264-B_GoodSequences.java ├── 265-A_ColorfulStones(SimplifiedEdition).java ├── 265-B_RoadsideTrees(SimplifiedEdition).java ├── 265-D_GoodSequences.java ├── 266-A_StonesontheTable.java ├── 266-B_QueueattheSchool.cpp ├── 268-A_Games.cpp ├── 268-B_Buttons.cpp ├── 268-C_BeautifulSetsofPoints.java ├── 269-B_GreenhouseEffect.java ├── 27-A_NextTest.cpp ├── 27-C_UnorderedSubsequence.cpp ├── 27-D_RingRoad2.java ├── 270-A_FancyFence.cpp ├── 270-B_Multithreading.java ├── 270-D_GreenhouseEffect.java ├── 271-A_BeautifulYear.cpp ├── 271-B_PrimeMatrix.java ├── 271-C_Secret.java ├── 271-D_GoodSubstrings.java ├── 272-A_DimaandFriends.java ├── 272-C_DimaandStaircase.java ├── 272-D_DimaandTwoSequences.java ├── 274-A_k-MultipleFreeSet.java ├── 275-A_LightsOut.java ├── 276-A_LunchRush.cpp ├── 276-B_LittleGirlandGame.java ├── 276-C_LittleGirlandMaximumSum.java ├── 276-D_LittleGirlandMaximumXOR.cpp ├── 277-A_LearningLanguages.cpp ├── 278-A_CircleLine.cpp ├── 279-A_PointonSpiral.cpp ├── 279-B_Books.java ├── 279-C_Ladder.java ├── 28-B_pSort.java ├── 28-C_BathQueue.java ├── 280-B_MaximumXorSecondary.java ├── 281-A_WordCapitalization.java ├── 282-A_Bit++.java ├── 282-B_PaintingEggs.cpp ├── 282-C_XORandOR.java ├── 283-A_CowsandSequence.java ├── 284-A_CowsandPrimitiveRoots.cpp ├── 284-B_CowsandPokerGame.cpp ├── 284-C_CowsandSequence.java ├── 285-A_SlightlyDecreasingPermutations.java ├── 285-B_FindMarble.java ├── 285-C_BuildingPermutation.java ├── 287-A_IQTest.java ├── 288-A_PolothePenguinandStrings.java ├── 289-A_PolothePenguinandSegments.java ├── 289-B_PolothePenguinandMatrix.java ├── 291-A_SpykeTalks.java ├── 292-A_SMSC.java ├── 292-B_NetworkTopology.java ├── 294-A_ShaassandOskols.java ├── 294-B_ShaassandBookshelf.cpp ├── 295-A_GregandArray.java ├── 296-A_YaroslavandPermutations.java ├── 296-B_YaroslavandTwoStrings.java ├── 296-D_GregandGraph.java ├── 298-A_SnowFootprints.java ├── 298-B_Sail.java ├── 299-A_KsushaandArray.cpp ├── 299-A_KsushaandArray.java ├── 299-B_KsushatheSquirrel.cpp ├── 299-C_WeirdGame.cpp ├── 3-A_Shortestpathoftheking.java ├── 300-A_Array.java ├── 300-C_BeautifulNumbers.cpp ├── 302-A_EugenyandArray.cpp ├── 302-B_EugenyandPlayList.java ├── 302-C_YaroslavandSequence.cpp ├── 302-C_YaroslavandSequence.java ├── 303-A_LuckyPermutationTriple.java ├── 304-A_PythagoreanTheoremII.cpp ├── 305-C_IvanandPowersofTwo.java ├── 306-A_Candies.java ├── 306-B_Optimizer.java ├── 306-C_White,BlackandWhiteAgain.java ├── 31-A_WormsEvolution.java ├── 311-B_CatsTransport.cpp ├── 312-A_Whosesentenceisit?.java ├── 312-B_Archer.cpp ├── 313-A_IlyaandBankAccount.cpp ├── 313-B_IlyaandQueries.java ├── 313-C_IlyaandMatrix.cpp ├── 315-A_SerejaandBottles.java ├── 315-B_SerejaandArray.cpp ├── 316-A2_SpecialTask.java ├── 317-A_PerfectPair.java ├── 318-A_EvenOdds.java ├── 318-B_StringsofPower.cpp ├── 32-B_Borze.java ├── 320-A_MagicNumbers.java ├── 320-B_Ping-Pong(EasyVersion).cpp ├── 321-B_CielandDuel.cpp ├── 322-A_CielandDancing.cpp ├── 322-B_CielandFlowers.cpp ├── 322-E_CieltheCommander.cpp ├── 327-A_FlippingGame.cpp ├── 327-B_HungrySequence.java ├── 329-A_Purification.java ├── 330-A_Cakeminator.cpp ├── 330-B_RoadConstruction.java ├── 330-D_BiridianForest.java ├── 332-A_DowntheHatch!.java ├── 332-B_MaximumAbsurdity.java ├── 333-A_Secrets.java ├── 333-B_Chips.java ├── 334-A_CandyBags.cpp ├── 336-A_VasilytheBearandTriangle.java ├── 336-C_VasilytheBearandSequence.cpp ├── 337-A_Puzzles.cpp ├── 337-D_BookofEvil.cpp ├── 339-A_HelpfulMaths.java ├── 339-B_XeniaandRingroad.cpp ├── 339-C_XeniaandWeights.java ├── 339-D_XeniaandBitOperations.java ├── 34-A_Reconnaissance2.java ├── 34-B_Sale.java ├── 340-A_TheWall.java ├── 340-D_BubbleSortGraph.java ├── 342-A_XeniaandDivisors.java ├── 342-E_XeniaandTree.cpp ├── 342-E_XeniaandTree.java ├── 343-A_RationalResistance.cpp ├── 343-B_AlternatingCurrent.java ├── 343-D_WaterTree.cpp ├── 344-A_Magnets.cpp ├── 344-A_Magnets.java ├── 344-B_SimpleMolecules.java ├── 347-A_DifferenceRow.java ├── 347-B_FixedPoints.cpp ├── 347-C_AliceandBob.java ├── 348-A_Mafia.cpp ├── 348-B_AppleTree.cpp ├── 349-A_CinemaLine.cpp ├── 349-B_ColortheFence.java ├── 350-A_TL.java ├── 350-C_Bombs.cpp ├── 351-E_JeffandPermutation.java ├── 352-A_JeffandDigits.java ├── 352-B_JeffandPeriods.java ├── 353-A_Domino.java ├── 353-C_FindMaximum.cpp ├── 354-A_VasyaandRobot.java ├── 354-C_VasyaandBeautifulArrays.java ├── 355-A_VasyaandDigitalRoot.java ├── 355-B_VasyaandPublicTransport.java ├── 355-C_VasyaandRobot.java ├── 356-A_KnightTournament.java ├── 356-B_XeniaandHamming.cpp ├── 357-A_GroupofStudents.java ├── 357-B_FlagDay.java ├── 358-A_DimaandContinuousLine.java ├── 358-B_DimaandTextMessages.java ├── 359-A_Table.cpp ├── 359-B_Permutation.cpp ├── 361-A_LevkoandTable.java ├── 361-B_LevkoandPermutation.cpp ├── 362-B_PetyaandStaircases.java ├── 363-A_Soroban.java ├── 363-B_Fence.java ├── 363-C_FixingTypos.java ├── 365-A_GoodNumber.java ├── 365-B_TheFibonacciSegment.java ├── 366-A_DimaandGuards.java ├── 366-B_DimaandTo-doList.java ├── 366-C_DimaandSalad.cpp ├── 367-A_SerejaandAlgorithm.java ├── 367-C_SerejaandtheArrangementofNumbers.cpp ├── 368-A_SerejaandCoatRack.java ├── 368-B_SerejaandSuffixes.java ├── 369-A_ValeraandPlates.cpp ├── 369-B_ValeraandContest.cpp ├── 369-C_ValeraandElections.cpp ├── 37-A_Towers.cpp ├── 370-A_Rook,BishopandKing.cpp ├── 371-A_K-PeriodicArray.cpp ├── 371-B_FoxDividingCheese.cpp ├── 371-C_Hamburgers.java ├── 373-A_CollectingBeatsisFun.java ├── 374-A_InnaandPinkPony.java ├── 375-D_TreeandQueries.java ├── 376-A_Lever.java ├── 377-A_Maze.java ├── 377-B_PreparingfortheContest.cpp ├── 378-A_PlayingwithDice.cpp ├── 378-B_Semifinals.cpp ├── 379-A_NewYearCandles.cpp ├── 379-B_NewYearPresent.java ├── 379-C_NewYearRatingsChange.java ├── 38-A_Army.cpp ├── 380-C_SerejaandBrackets.java ├── 381-A_SerejaandDima.cpp ├── 381-B_SerejaandStairs.java ├── 382-A_KseniaandPanScales.java ├── 382-C_ArithmeticProgression.java ├── 383-A_Milkingcows.java ├── 383-C_Propagatingtree.java ├── 384-A_Coder.cpp ├── 384-C_Milkingcows.java ├── 384-E_Propagatingtree.java ├── 385-A_BearandRaspberry.cpp ├── 385-B_BearandStrings.java ├── 385-C_BearandPrimeNumbers.java ├── 387-A_GeorgeandSleep.java ├── 387-B_GeorgeandRound.java ├── 387-C_GeorgeandNumber.java ├── 388-A_FoxandBoxAccumulation.java ├── 389-A_FoxandNumberGame.java ├── 389-B_FoxandCross.java ├── 396-C_OnChangingTree.cpp ├── 4-A_Watermelon.cpp ├── 4-A_Watermelon.java ├── 4-A_Watermelon.python ├── 4-B_BeforeanExam.java ├── 4-C_RegistrationSystem.cpp ├── 4-D_MysteriousPresent.cpp ├── 40-A_FindColor.cpp ├── 400-A_InnaandChooseOptions.java ├── 400-B_InnaandNewMatrixofCandies.java ├── 400-C_InnaandHugeCandyMatrix.java ├── 401-A_VanyaandCards.cpp ├── 401-B_SerejaandContests.cpp ├── 401-C_Team.java ├── 402-A_Nuts.cpp ├── 402-B_TreesinaRow.cpp ├── 402-D_UpgradingArray.cpp ├── 404-A_ValeraandX.cpp ├── 404-C_RestoreGraph.cpp ├── 405-A_GravityFlip.java ├── 405-B_DominoEffect.java ├── 405-C_UnusualProduct.java ├── 405-E_GraphCutting.java ├── 406-C_GraphCutting.java ├── 407-B_LongPath.java ├── 408-A_LinetoCashier.java ├── 408-B_Garland.cpp ├── 408-D_LongPath.java ├── 409-A_TheGreatGame.java ├── 409-H_A+BStrikesBack.java ├── 41-A_Translation.cpp ├── 411-A_PasswordCheck.java ├── 411-B_Multi-coreProcessor.java ├── 412-B_NetworkConfiguration.java ├── 413-A_DataRecovery.java ├── 414-B_MashmokhandACM.java ├── 415-A_MashmokhandLights.java ├── 415-B_MashmokhandTokens.java ├── 415-C_MashmokhandNumbers.java ├── 416-A_Guessanumber!.java ├── 416-B_ArtUnion.java ├── 416-C_BookingSystem.java ├── 417-A_Elimination.java ├── 417-B_Crash.java ├── 417-C_Football.java ├── 42-A_Guilty---tothekitchen!.cpp ├── 421-A_PashaandHamsters.cpp ├── 421-B_StartUp.cpp ├── 424-A_Squats.java ├── 424-B_Megacity.java ├── 424-C_MagicFormulas.java ├── 426-A_SerejaandMugs.java ├── 426-B_SerejaandMirroring.java ├── 426-C_SerejaandSwaps.java ├── 427-A_PoliceRecruits.cpp ├── 427-B_PrisonTransfer.java ├── 427-C_Checkposts.cpp ├── 427-D_Match&Catch.java ├── 429-A_Xor-tree.java ├── 429-B_Workingout.cpp ├── 429-D_TrickyFunction.cpp ├── 43-A_Football.java ├── 43-B_Letter.cpp ├── 430-A_PointsandSegments(easy).java ├── 430-B_BallsGame.java ├── 430-D_Workingout.cpp ├── 431-A_BlackSquare.cpp ├── 431-B_ShowerLine.java ├── 431-C_k-Tree.cpp ├── 431-C_k-Tree.java ├── 432-A_ChoosingTeams.cpp ├── 432-B_FootballKit.java ├── 432-D_PrefixesandSuffixes.java ├── 433-A_KitaharaHaruki'sGift.java ├── 433-B_KuriyamaMirai'sStones.java ├── 433-C_Ryouko'sMemoryNote.java ├── 435-A_QueueonBusStop.java ├── 435-B_PashaMaximizes.java ├── 436-A_FeedwithCandy.java ├── 437-A_TheChildandHomework.java ├── 437-B_TheChildandSet.java ├── 437-C_TheChildandToy.java ├── 439-A_Devu,theSingerandChuru,theJoker.cpp ├── 439-B_Devu,theDumbGuy.cpp ├── 439-B_Devu,theDumbGuy.java ├── 439-D_DevuandhisBrother.cpp ├── 439-D_DevuandhisBrother.java ├── 44-H_PhoneNumber.cpp ├── 440-B_Balancer.java ├── 441-A_ValeraandAntiqueItems.cpp ├── 441-B_ValeraandFruits.cpp ├── 441-C_ValeraandTubes.java ├── 442-B_AndreyandProblem.java ├── 443-A_AntonandLetters.cpp ├── 445-A_DZYLovesChessboard.java ├── 445-B_DZYLovesChemistry.java ├── 446-A_DZYLovesSequences.java ├── 447-A_DZYLovesHash.java ├── 447-B_DZYLovesStrings.java ├── 448-A_Rewards.java ├── 448-B_SuffixStructures.java ├── 448-C_PaintingFence.java ├── 448-D_MultiplicationTable.java ├── 449-A_JzzhuandChocolate.cpp ├── 449-B_JzzhuandCities.cpp ├── 449-C_JzzhuandApples.cpp ├── 450-A_JzzhuandChildren.cpp ├── 450-B_JzzhuandSequences.java ├── 451-A_GameWithSticks.cpp ├── 451-A_GameWithSticks.java ├── 451-B_SorttheArray.cpp ├── 452-A_Eevee.java ├── 452-E_Threestrings.java ├── 453-A_LittlePonyandExpectedMaximum.java ├── 454-A_LittlePonyandCrystalMine.cpp ├── 454-B_LittlePonyandSortbyShift.java ├── 454-C_LittlePonyandExpectedMaximum.java ├── 454-D_LittlePonyandHarmonyChest.java ├── 455-A_Boredom.cpp ├── 455-A_Boredom.java ├── 455-C_Civilization.cpp ├── 456-A_Laptops.cpp ├── 456-B_FedyaandMaths.java ├── 456-E_Civilization.cpp ├── 459-A_PashmakandGarden.cpp ├── 459-B_PashmakandFlowers.cpp ├── 459-C_PashmakandBuses.java ├── 46-A_BallGame.java ├── 46-B_T-shirtsfromSponsor.cpp ├── 460-A_VasyaandSocks.cpp ├── 460-B_LittleDimaandEquation.java ├── 460-C_Present.java ├── 461-A_ApplemanandToastman.cpp ├── 462-A_ApplemanandEasyTask.cpp ├── 462-B_ApplemanandCardGame.java ├── 463-A_CaisaandSugar.cpp ├── 463-B_CaisaandPylons.cpp ├── 463-C_GargariandBishops.java ├── 463-D_GargariandPermutations.cpp ├── 464-A_NotoPalindromes!.cpp ├── 465-A_incARG.python ├── 465-B_Inbox(100500).java ├── 466-A_CheapTravel.cpp ├── 466-C_NumberofWays.cpp ├── 467-A_GeorgeandAccommodation.java ├── 467-B_FedorandNewGame.cpp ├── 467-C_GeorgeandJob.java ├── 468-A_24Game.java ├── 469-A_IWannaBetheGuy.java ├── 469-B_ChatOnline.java ├── 47-A_Triangularnumbers.cpp ├── 471-A_MUHandSticks.cpp ├── 471-B_MUHandImportantThings.java ├── 471-C_MUHandHouseofCards.java ├── 471-D_MUHandCubeWalls.java ├── 472-A_DesignTutorial:LearnfromMath.cpp ├── 472-B_DesignTutorial:LearnfromLife.cpp ├── 472-C_DesignTutorial:MakeItNondeterministic.java ├── 474-A_Keyboard.cpp ├── 474-B_Worms.cpp ├── 474-D_Flowers.cpp ├── 474-F_Antcolony.java ├── 475-A_BayanBus.java ├── 475-B_StronglyConnectedCity.java ├── 475-D_CGCDSSQ.cpp ├── 476-A_DreamoonandStairs.cpp ├── 476-B_DreamoonandWiFi.java ├── 476-C_DreamoonandSums.cpp ├── 476-D_DreamoonandSets.java ├── 478-A_InitialBet.cpp ├── 478-B_RandomTeams.cpp ├── 478-C_TableDecorations.java ├── 478-D_Red-GreenTowers.java ├── 479-A_Expression.cpp ├── 479-B_Towers.cpp ├── 479-C_Exams.cpp ├── 479-D_LongJumps.java ├── 482-A_DiversePermutation.java ├── 482-B_InterestingArray.java ├── 483-A_Counterexample.cpp ├── 484-A_Bits.java ├── 485-A_Factory.java ├── 485-B_ValuableResources.cpp ├── 486-A_CalculatingFunction.cpp ├── 486-A_CalculatingFunction.java ├── 486-B_ORinMatrix.java ├── 486-C_PalindromeTransformation.java ├── 486-D_ValidSets.cpp ├── 488-A_GigaTower.java ├── 489-A_SwapSort.java ├── 489-B_BerSUBall.cpp ├── 489-C_GivenLengthandSumofDigits....java ├── 489-D_UnbearableControversyofBeing.java ├── 49-A_Sleuth.java ├── 49-B_Sum.cpp ├── 490-A_TeamOlympiad.cpp ├── 490-B_Queue.cpp ├── 490-C_HackingCypher.cpp ├── 490-D_Chocolate.java ├── 490-E_RestoringIncreasingSequence.java ├── 492-A_VanyaandCubes.cpp ├── 492-B_VanyaandLanterns.cpp ├── 492-C_VanyaandExams.java ├── 492-D_VanyaandComputerGame.java ├── 493-A_VasyaandFootball.cpp ├── 493-B_VasyaandWrestling.cpp ├── 493-C_VasyaandBasketball.java ├── 493-D_VasyaandChess.java ├── 494-A_Treasure.java ├── 494-B_ObsessiveString.java ├── 495-A_DigitalCounter.java ├── 495-B_ModularEquations.cpp ├── 495-C_Treasure.java ├── 496-A_MinimumDifficulty.cpp ├── 496-B_SecretCombination.java ├── 496-C_RemovingColumns.java ├── 496-D_TennisGame.java ├── 496-E_DistributingParts.java ├── 498-A_CrazyTown.java ├── 498-C_ArrayandOperations.cpp ├── 499-A_Watchingamovie.cpp ├── 499-B_Lecture.cpp ├── 5-A_ChatServersOutgoingTraffic.java ├── 5-C_LongestRegularBracketSequence.java ├── 50-A_Dominopiling.java ├── 50-B_ChoosingSymbolPairs.java ├── 500-A_NewYearTransportation.cpp ├── 500-B_NewYearPermutation.cpp ├── 500-C_NewYearBookReading.java ├── 501-A_Contest.cpp ├── 501-B_MishaandChangingHandles.java ├── 501-C_MishaandForest.java ├── 501-D_MishaandPermutationsSummation.cpp ├── 505-A_Mr.Kitayuta'sGift.java ├── 505-B_Mr.Kitayuta'sColorfulGraph.cpp ├── 505-C_Mr.Kitayuta,theTreasureHunter.cpp ├── 505-D_Mr.Kitayuta'sTechnology.cpp ├── 507-A_AmrandMusic.cpp ├── 507-B_AmrandPins.cpp ├── 507-C_GuessYourWayOut!.java ├── 507-D_TheMathsLecture.java ├── 508-A_PashaandPixels.cpp ├── 508-B_Antonandcurrencyyouallknow.cpp ├── 508-C_AnyaandGhosts.java ├── 509-A_MaximuminTable.java ├── 509-B_PaintingPebbles.java ├── 509-C_SumsofDigits.cpp ├── 510-A_FoxAndSnake.cpp ├── 510-B_FoxAndTwoDots.java ├── 510-C_FoxAndNames.java ├── 510-D_FoxAndJumping.java ├── 513-A_Game.cpp ├── 513-B1_Permutations.java ├── 513-B2_Permutations.java ├── 514-A_ChewbaсcaandNumber.java ├── 514-B_HanSoloandLazerGun.cpp ├── 514-B_HanSoloandLazerGun.java ├── 514-C_WattoandMechanism.java ├── 515-A_DrazilandDate.cpp ├── 515-B_DrazilandHisHappyFriends.java ├── 515-C_DrazilandFactorial.cpp ├── 515-E_DrazilandPark.java ├── 518-A_VitalyandStrings.java ├── 518-B_TanyaandPostcard.java ├── 518-C_AnyaandSmartphone.java ├── 518-D_IlyaandEscalator.java ├── 519-A_AandBandChess.cpp ├── 519-B_AandBandCompilationErrors.cpp ├── 519-C_AandBandTeamTraining.java ├── 519-D_AandBandInterestingSubstrings.java ├── 519-E_AandBandLectureRooms.cpp ├── 52-C_CircularRMQ.java ├── 520-A_Pangram.java ├── 520-B_TwoButtons.cpp ├── 520-B_TwoButtons.java ├── 520-C_DNAAlignment.cpp ├── 520-E_Pluseseverywhere.java ├── 522-A_Reposts.java ├── 522-B_PhototoRemember.cpp ├── 523-A_Rotate,FlipandZoom.java ├── 523-B_MeanRequests.java ├── 523-C_NameQuest.java ├── 523-D_StatisticsofRecompressingVideos.java ├── 525-A_VitaliyandPie.java ├── 525-B_PashaandString.java ├── 525-C_IlyaandSticks.java ├── 525-E_AnyaandCubes.cpp ├── 526-A_KingofThieves.java ├── 526-B_OmNomandDarkPark.java ├── 527-A_PlayingwithPaper.cpp ├── 527-A_PlayingwithPaper.java ├── 527-B_ErrorCorrectSystem.java ├── 527-C_GlassCarving.java ├── 533-E_CorrectingMistakes.cpp ├── 534-A_Exam.cpp ├── 534-B_CoveredPath.cpp ├── 534-C_Polycarpus'Dice.java ├── 535-A_TavasandNafas.cpp ├── 535-B_TavasandSaDDas.java ├── 535-C_TavasandKarafs.java ├── 535-D_TavasandMalekas.java ├── 538-A_CuttingBanner.java ├── 538-B_QuasiBinary.java ├── 538-C_Tourist'sNotes.java ├── 540-A_CombinationLock.java ├── 540-B_SchoolMarks.java ├── 540-C_IceCave.java ├── 540-E_InfiniteInversions.java ├── 543-C_RememberingStrings.cpp ├── 544-A_SetofStrings.cpp ├── 544-B_SeaandIslands.cpp ├── 544-C_WritingCode.cpp ├── 545-A_ToyCars.cpp ├── 545-B_EquidistantString.java ├── 545-C_Woodcutters.java ├── 545-D_Queue.cpp ├── 546-A_SoldierandBananas.cpp ├── 546-B_SoldierandBadges.cpp ├── 546-C_SoldierandCards.java ├── 546-D_SoldierandNumberGame.cpp ├── 546-E_SoldierandTraveling.cpp ├── 547-B_MikeandFeet.java ├── 548-A_MikeandFax.cpp ├── 548-B_MikeandFun.java ├── 549-A_FaceDetection.cpp ├── 549-D_HaarFeatures.java ├── 550-A_TwoSubstrings.cpp ├── 550-B_PreparingOlympiad.java ├── 550-C_DivisibilitybyEight.java ├── 550-D_RegularBridge.cpp ├── 550-E_BracketsinImplications.cpp ├── 551-A_GukiZandContest.cpp ├── 551-A_GukiZandContest.java ├── 551-B_ZgukistringZ.java ├── 551-C_GukiZhatesBoxes.java ├── 551-D_GukiZandBinaryOperations.java ├── 551-E_GukiZandGukiZiana.java ├── 552-A_VanyaandTable.java ├── 552-B_VanyaandBooks.cpp ├── 552-C_VanyaandScales.cpp ├── 553-A_KyoyaandColoredBalls.java ├── 553-B_KyoyaandPermutation.java ├── 554-A_KyoyaandPhotobooks.cpp ├── 554-B_OhanaCleansUp.java ├── 555-A_CaseofMatryoshkas.cpp ├── 555-C_CaseofChocolate.java ├── 556-A_CaseoftheZerosandOnes.java ├── 556-B_CaseofFakeNumbers.java ├── 556-D_CaseofFugitive.java ├── 556-E_CaseofChocolate.java ├── 557-A_IlyaandDiplomas.cpp ├── 557-B_PashaandTea.java ├── 557-C_ArthurandTable.cpp ├── 558-A_LalaLandandAppleTrees.cpp ├── 558-B_AmrandTheLargeArray.cpp ├── 558-E_ASimpleTask.java ├── 559-A_Gerald'sHexagon.java ├── 559-B_EquivalentStrings.java ├── 56-A_Bar.java ├── 560-A_CurrencySysteminGeraldion.cpp ├── 560-B_GeraldisintoArt.cpp ├── 560-C_Gerald'sHexagon.java ├── 567-A_LinelandMail.cpp ├── 567-B_BerlandNationalLibrary.java ├── 567-C_GeometricProgression.java ├── 568-A_PrimesorPalindromes?.cpp ├── 569-A_Music.cpp ├── 569-B_Inventory.java ├── 57-A_SquareEarth?.cpp ├── 57-C_Array.java ├── 570-A_Elections.cpp ├── 570-B_SimpleGame.cpp ├── 570-C_Replacement.java ├── 570-D_TreeRequests.cpp ├── 570-E_PigandPalindromes.cpp ├── 572-A_Arrays.cpp ├── 572-B_OrderBook.java ├── 573-A_BearandPoker.cpp ├── 573-B_BearandBlocks.java ├── 574-A_BearandElections.java ├── 574-B_BearandThreeMusketeers.java ├── 576-A_VasyaandPetya'sGame.java ├── 577-A_MultiplicationTable.cpp ├── 577-A_MultiplicationTable.java ├── 577-B_ModuloSum.cpp ├── 578-A_AProblemaboutPolyline.cpp ├── 578-B_"Or"Game.java ├── 579-A_RaisingBacteria.java ├── 579-B_FindingTeamMember.java ├── 58-A_Chatroom.java ├── 58-B_Coins.java ├── 580-A_KefaandFirstSteps.java ├── 580-B_KefaandCompany.java ├── 580-C_KefaandPark.cpp ├── 580-D_KefaandDishes.java ├── 581-A_VasyatheHipster.java ├── 581-B_LuxuriousHouses.cpp ├── 581-C_DevelopingSkills.java ├── 583-A_AsphaltingRoads.cpp ├── 583-B_Robot'sTask.cpp ├── 583-C_GCDTable.java ├── 584-A_OlesyaandRodion.java ├── 584-B_KolyaandTanya.java ├── 584-C_MarinaandVasya.java ├── 584-D_DimaandLisa.cpp ├── 585-A_GennadytheDentist.java ├── 586-A_Alena'sSchedule.cpp ├── 586-B_LaurentyandShop.java ├── 586-D_PhillipandTrains.java ├── 587-A_DuffandWeightLifting.java ├── 587-C_DuffintheArmy.cpp ├── 588-A_DuffandMeat.java ├── 588-B_DuffinLove.java ├── 588-D_DuffinBeach.java ├── 588-E_DuffintheArmy.cpp ├── 59-A_Word.cpp ├── 590-A_MedianSmoothing.java ├── 590-B_Chip'nDaleRescueRangers.cpp ├── 591-A_Wizards'Duel.java ├── 591-B_Rebranding.java ├── 592-A_PawnChess.java ├── 592-B_TheMonsterandtheSquirrel.java ├── 592-C_TheBigRace.java ├── 593-A_2Char.cpp ├── 593-B_AntonandLines.java ├── 593-D_HappyTreeParty.cpp ├── 594-A_WarriorandArcher.java ├── 595-A_VitalyandNight.java ├── 596-A_WilburandSwimmingPool.java ├── 596-B_WilburandArray.java ├── 597-A_Divisibility.java ├── 597-B_Restaurant.java ├── 598-A_TrickySum.java ├── 598-B_QueriesonaString.java ├── 599-A_PatrickandShopping.cpp ├── 599-B_SpongebobandJoke.cpp ├── 599-C_DayattheBeach.java ├── 599-D_SpongebobandSquares.java ├── 6-A_Triangle.java ├── 6-B_President'sOffice.cpp ├── 6-C_Alice,BobandChocolate.java ├── 6-E_Exposition.java ├── 60-A_WhereAreMyFlakes?.java ├── 600-E_Lomsatgelral.cpp ├── 601-A_TheTwoRoutes.java ├── 602-A_TwoBases.java ├── 602-B_ApproximatingaConstantRange.java ├── 602-E_Kleofášandthen-thlon.cpp ├── 603-A_AlternativeThinking.cpp ├── 604-A_UncowedForces.java ├── 604-B_MoreCowbell.java ├── 605-B_LazyStudent.java ├── 606-A_MagicSpheres.cpp ├── 606-B_TestingRobots.cpp ├── 606-C_SortingRailwayCars.cpp ├── 607-A_ChainReaction.java ├── 607-B_Zuma.cpp ├── 608-A_SaitamaDestroysHotel.java ├── 608-B_HammingDistanceSum.java ├── 608-D_Zuma.cpp ├── 609-A_USBFlashDrives.java ├── 609-B_TheBestGift.java ├── 609-E_Minimumspanningtreeforeachedge.java ├── 61-A_Ultra-FastMathematician.java ├── 61-D_EternalVictory.cpp ├── 610-A_PashaandStick.java ├── 610-B_VikaandSquares.java ├── 611-A_NewYearandDays.cpp ├── 611-B_NewYearandOldProperty.java ├── 611-C_NewYearandDomino.java ├── 611-D_NewYearandAncientProphecy.java ├── 612-A_TheTextSplitting.java ├── 612-B_HDDisOutdatedTechnology.java ├── 612-C_ReplaceToMakeRegularBracketSequence.java ├── 613-A_PeterandSnowBlower.java ├── 614-A_LinkCutTree.java ├── 614-B_Gena'sCode.java ├── 614-C_PeterandSnowBlower.java ├── 615-A_Bulbs.java ├── 615-B_LongtailHedgehog.java ├── 615-C_RunningTrack.java ├── 615-D_Multipliers.java ├── 616-A_ComparingTwoLongIntegers.java ├── 616-B_DinnerwithEmma.java ├── 617-A_Elephant.cpp ├── 617-A_Elephant.java ├── 617-B_Chocolate.cpp ├── 617-B_Chocolate.java ├── 617-C_WateringFlowers.java ├── 617-D_Polyline.cpp ├── 618-A_SlimeCombining.cpp ├── 618-B_GuessthePermutation.java ├── 618-C_Constellation.cpp ├── 620-A_ProfessorGukiZ'sRobot.java ├── 620-B_GrandfatherDovlet’scalculator.java ├── 620-C_PearlsinaRow.cpp ├── 620-E_NewYearTree.java ├── 621-A_WetSharkandOddandEven.cpp ├── 621-B_WetSharkandBishops.cpp ├── 621-C_WetSharkandFlowers.java ├── 622-A_InfiniteSequence.cpp ├── 622-B_TheTime.cpp ├── 622-C_NotEqualonaSegment.cpp ├── 623-A_GraphandString.cpp ├── 624-A_SaveLuke.cpp ├── 624-B_MakingaString.cpp ├── 625-A_GuestFromthePast.cpp ├── 625-B_WaroftheCorporations.cpp ├── 625-C_K-specialTables.java ├── 626-A_RobotSequence.cpp ├── 626-A_RobotSequence.java ├── 626-B_Cards.java ├── 626-C_BlockTowers.java ├── 628-A_TennisTournament.cpp ├── 628-B_NewSkateboard.java ├── 628-C_BearandStringDistance.java ├── 628-D_MagicNumbers.cpp ├── 629-A_FarRelative’sBirthdayCake.cpp ├── 629-B_FarRelative’sProblem.cpp ├── 629-D_BabaeiandBirthdayCake.java ├── 63-A_SinkingShip.java ├── 630-A_AgainTwentyFive!.java ├── 630-B_Moore'sLaw.cpp ├── 630-C_LuckyNumbers.cpp ├── 630-D_Hexagons!.cpp ├── 630-E_Arectangle.cpp ├── 630-G_ChallengePennants.cpp ├── 630-J_Divisibility.cpp ├── 630-L_CrackingtheCode.java ├── 630-R_Game.cpp ├── 631-A_Interview.cpp ├── 631-B_PrintCheck.java ├── 631-E_ProductSum.java ├── 632-A_GrandmaLauraandApples.cpp ├── 632-B_Alice,Bob,TwoTeams.java ├── 632-C_TheSmallestStringConcatenation.java ├── 633-A_EbonyandIvory.java ├── 633-B_ATrivialProblem.java ├── 634-A_IslandPuzzle.cpp ├── 637-A_VotingforPhotos.cpp ├── 637-B_ChatOrder.java ├── 637-D_RunningwithObstacles.java ├── 639-B_BearandForgottenTree3.java ├── 641-E_LittleArtemandTimeMachine.cpp ├── 644-A_ParliamentofBerland.cpp ├── 651-A_Joysticks.cpp ├── 651-B_BeautifulPaintings.java ├── 651-C_Watchmen.java ├── 652-B_z-sort.java ├── 653-A_BearandThreeBalls.java ├── 653-B_BearandCompressing.java ├── 655-A_AmityAssessment.cpp ├── 655-B_MischievousMessMakers.cpp ├── 655-C_EnduringExodus.cpp ├── 655-D_RobotRappingResultsReport.cpp ├── 655-E_IntellectualInquiry.cpp ├── 656-A_DaVinciPowers.java ├── 658-A_BearandReverseRadewoosh.java ├── 658-B_BearandDisplayedFriends.java ├── 658-C_BearandForgottenTree3.java ├── 659-A_RoundHouse.java ├── 659-B_QualifyingContest.java ├── 659-C_TanyaandToys.java ├── 659-D_BicycleRace.java ├── 659-E_NewReform.cpp ├── 659-F_PolycarpandHay.java ├── 66-A_PetyaandJava.java ├── 66-B_PetyaandCountryside.java ├── 66-E_PetyaandPost.java ├── 660-A_Co-primeArray.java ├── 660-B_SeatingOnBus.java ├── 660-C_HardProcess.java ├── 662-D_InternationalOlympiad.cpp ├── 664-A_ComplicatedGCD.java ├── 664-C_InternationalOlympiad.cpp ├── 665-A_BusesBetweenCities.cpp ├── 665-B_Shopping.java ├── 665-C_SimpleStrings.java ├── 667-A_PouringRain.java ├── 667-B_CoatofAnticubism.java ├── 667-C_ReberlandLinguistics.java ├── 669-A_LittleArtemandPresents.cpp ├── 669-B_LittleArtemandGrasshopper.java ├── 669-C_LittleArtemandMatrix.java ├── 669-D_LittleArtemandDance.cpp ├── 670-A_Holidays.java ├── 670-B_GameofRobots.java ├── 670-C_Cinema.java ├── 670-D1_MagicPowder-1.java ├── 670-D2_MagicPowder-2.java ├── 670-E_CorrectBracketSequenceEditor.java ├── 670-F_RestoreaNumber.java ├── 671-A_RecyclingBottles.java ├── 672-A_SummerCamp.java ├── 672-B_DifferentisGood.java ├── 673-A_BearandGame.java ├── 673-B_ProblemsforRound.java ├── 673-C_BearandColors.java ├── 673-D_BearandTwoPaths.java ├── 675-A_InfiniteSequence.java ├── 675-B_RestoringPainting.java ├── 675-C_MoneyTransfers.java ├── 675-D_TreeConstruction.java ├── 676-A_NicholasandPermutation.java ├── 676-B_PyramidofGlasses.java ├── 676-C_VasyaandString.java ├── 677-A_VanyaandFence.java ├── 677-B_VanyaandFoodProcessor.java ├── 677-C_VanyaandLabel.java ├── 678-A_JohnyLikesNumbers.java ├── 678-C_JotyandChocolate.java ├── 678-D_IteratedLinearFunction.java ├── 680-A_BearandFiveCards.java ├── 680-B_BearandFindingCriminals.java ├── 680-C_BearandPrime100.java ├── 681-A_AGoodContest.java ├── 681-B_EconomyGame.java ├── 681-C_HeapOperations.java ├── 681-D_GiftsbytheList.cpp ├── 682-A_AlyonaandNumbers.java ├── 682-B_AlyonaandMex.java ├── 682-C_AlyonaandtheTree.cpp ├── 686-A_FreeIceCream.java ├── 686-B_LittleRobberGirl'sZoo.java ├── 686-C_Robbers'watch.java ├── 687-C_TheValuesYouCanMake.cpp ├── 688-A_Opponents.java ├── 688-B_LovelyPalindromes.java ├── 688-C_NP-HardProblem.java ├── 688-D_RemaindersGame.java ├── 688-E_TheValuesYouCanMake.cpp ├── 689-A_MikeandCellphone.java ├── 689-B_MikeandShortcuts.java ├── 69-A_YoungPhysicist.cpp ├── 691-A_FashioninBerland.java ├── 691-B_s-palindrome.java ├── 697-A_PineappleIncident.java ├── 697-B_Barnicle.java ├── 697-C_LorenzoVonMatterhorn.java ├── 698-B_FixaTree.java ├── 699-A_LaunchofCollider.java ├── 699-B_OneBomb.java ├── 699-C_Vacations.java ├── 699-D_FixaTree.java ├── 7-A_KalevitchandChess.java ├── 700-B_ConnectingUniversities.java ├── 701-A_Cards.java ├── 701-B_CellsNotUnderAttack.java ├── 701-C_TheyAreEverywhere.cpp ├── 701-C_TheyAreEverywhere.java ├── 702-A_MaximumIncrease.java ├── 702-B_PowersofTwo.java ├── 702-C_CellularNetwork.java ├── 703-A_MishkaandGame.java ├── 703-B_Mishkaandtrip.java ├── 703-D_MishkaandInterestingsum.java ├── 705-A_Hulk.java ├── 705-B_SpiderMan.java ├── 705-C_Thor.java ├── 706-A_Beru-taxi.java ├── 706-B_Interestingdrink.java ├── 706-C_Hardproblem.java ├── 706-D_Vasiliy'sMultiset.java ├── 706-E_Workingroutine.cpp ├── 707-A_Brain'sPhotos.java ├── 707-B_Bakery.java ├── 707-C_PythagoreanTriples.java ├── 709-A_Juicer.cpp ├── 709-B_Checkpoints.cpp ├── 709-C_LettersCyclicShift.cpp ├── 709-D_RecovertheString.cpp ├── 709-E_Centroids.cpp ├── 71-A_WayTooLongWords.cpp ├── 71-A_WayTooLongWords.java ├── 71-A_WayTooLongWords.python ├── 710-A_KingMoves.java ├── 710-B_OptimalPointonaLine.cpp ├── 710-C_MagicOddSquare.java ├── 710-E_GenerateaString.cpp ├── 711-A_BustoUdayland.cpp ├── 711-B_ChrisandMagicSquare.cpp ├── 711-C_ColoringTrees.cpp ├── 711-D_DirectedRoads.cpp ├── 712-A_MemoryandCrow.java ├── 712-B_MemoryandTrident.java ├── 712-C_MemoryandDe-Evolution.java ├── 714-A_MeetingofOldFriends.java ├── 714-B_FilyaandHomework.java ├── 714-C_SonyaandQueries.java ├── 715-B_CompleteTheGraph.cpp ├── 716-A_CrazyComputer.java ├── 716-B_CompletetheWord.java ├── 716-C_PlusandSquareRoot.java ├── 717-C_PotionsHomework.java ├── 719-A_VityaintheCountryside.java ├── 719-B_AnatolyandCockroaches.java ├── 719-C_EfimandStrangeGrade.java ├── 721-A_One-dimensionalJapaneseCrossword.cpp ├── 721-B_Passwords.cpp ├── 721-C_Journey.cpp ├── 721-D_MaximandArray.java ├── 722-A_BrokenClock.java ├── 722-B_VersePattern.java ├── 722-C_DestroyingArray.java ├── 723-A_TheNewYear:MeetingFriends.java ├── 723-B_TextDocumentAnalysis.java ├── 723-C_PolycarpattheRadio.java ├── 723-D_LakesinBerland.java ├── 723-F_st-SpanningTree.cpp ├── 724-A_CheckingtheCalendar.cpp ├── 724-A_CheckingtheCalendar.java ├── 724-B_BatchSort.cpp ├── 725-A_JumpingBall.cpp ├── 725-B_FoodonthePlane.cpp ├── 725-B_FoodonthePlane.java ├── 725-C_HiddenWord.cpp ├── 725-D_ContestBalloons.cpp ├── 727-A_Transformation:fromAtoB.java ├── 727-B_BillTotalValue.java ├── 727-C_GuesstheArray.java ├── 727-D_T-shirtsDistribution.java ├── 730-H_DeleteThem.cpp ├── 731-A_NightattheMuseum.cpp ├── 731-B_CouponsandDiscounts.cpp ├── 731-C_Socks.cpp ├── 731-F_VideoCards.cpp ├── 732-A_BuyaShovel.java ├── 732-B_Cormen---TheBestFriendOfaMan.java ├── 732-C_Sanatorium.java ├── 732-D_Exams.cpp ├── 733-A_GrasshopperAndtheString.cpp ├── 733-B_Parade.cpp ├── 733-D_KostyatheSculptor.cpp ├── 733-D_KostyatheSculptor.java ├── 734-A_AntonandDanik.cpp ├── 734-B_AntonandDigits.cpp ├── 734-C_AntonandMakingPotions.java ├── 734-D_AntonandChess.cpp ├── 735-A_OstapandGrasshopper.cpp ├── 735-B_Urbanization.cpp ├── 735-C_TennisChampionship.cpp ├── 735-D_Taxes.cpp ├── 738-A_InterviewwithOleg.cpp ├── 738-B_Spotlights.cpp ├── 738-C_RoadtoCinema.java ├── 738-D_SeaBattle.java ├── 738-E_Subordinates.java ├── 74-A_RoomLeader.java ├── 740-A_Alyonaandcopybooks.cpp ├── 740-B_Alyonaandflowers.cpp ├── 740-C_Alyonaandmex.cpp ├── 740-D_Alyonaandatree.java ├── 742-A_Arpa’shardexamandMehrdad’snaivecheat.cpp ├── 742-B_Arpa’sobviousproblemandMehrdad’sterriblesolution.cpp ├── 742-C_Arpa'sloudOwfandMehrdad'sevilplan.cpp ├── 742-D_Arpa'sweakamphitheaterandMehrdad'svaluableHoses.cpp ├── 742-E_Arpa’sovernightpartyandMehrdad’ssilententering.cpp ├── 743-A_Vladikandflights.java ├── 743-B_Chloeandthesequence.cpp ├── 743-C_Vladikandfractions.java ├── 743-D_Chloeandpleasantprizes.java ├── 743-E_Vladikandcards.java ├── 745-A_HongcowLearnstheCyclicShift.java ├── 745-B_HongcowSolvesAPuzzle.java ├── 745-C_HongcowBuildsANation.java ├── 745-D_Hongcow'sGame.java ├── 746-A_Compote.java ├── 746-B_Decoding.java ├── 746-C_Tram.java ├── 746-D_GreenandBlackTea.java ├── 746-E_NumbersExchange.java ├── 746-G_NewRoads.java ├── 747-A_DisplaySize.cpp ├── 747-B_Mammoth'sGenomeDecoding.java ├── 747-C_Servers.java ├── 747-D_WinterIsComing.java ├── 747-E_Comments.java ├── 749-A_BachgoldProblem.java ├── 749-B_ParallelogramisBack.java ├── 749-C_Voting.java ├── 749-D_LeavingAuction.java ├── 75-A_LifeWithoutZeros.java ├── 75-C_ModifiedGCD.java ├── 750-A_NewYearandHurry.java ├── 750-B_NewYearandNorthPole.java ├── 750-C_NewYearandRating.java ├── 750-D_NewYearandFireworks.cpp ├── 752-A_SantaClausandaPlaceinaClass.java ├── 752-B_SantaClausandKeyboardCheck.java ├── 752-C_SantaClausandRobot.java ├── 752-D_SantaClausandaPalindrome.java ├── 753-A_SantaClausandCandies.java ├── 754-A_Leshaandarraysplitting.java ├── 754-B_Ilyaandtic-tac-toegame.java ├── 754-C_Vladikandchat.java ├── 754-D_Fedorandcoupons.java ├── 755-A_PolandBallandHypothesis.java ├── 755-B_PolandBallandGame.java ├── 755-C_PolandBallandForest.java ├── 755-D_PolandBallandPolygon.cpp ├── 755-E_PolandBallandWhite-Redgraph.java ├── 755-F_PolandBallandGifts.cpp ├── 756-B_TravelCard.cpp ├── 757-A_GottaCatchEm'All!.java ├── 757-B_Bash'sBigDay.java ├── 757-C_FelicityisComing!.java ├── 757-D_Felicity'sBigSecretRevealed.java ├── 757-E_BashPlayswithFunctions.java ├── 758-A_HolidayOfEquality.java ├── 758-B_BlownGarland.java ├── 758-C_UnfairPoll.java ├── 758-D_AbilityToConvert.java ├── 76-E_Points.java ├── 760-A_Petrandacalendar.java ├── 760-B_Frodoandpillows.java ├── 760-C_Pavelandbarbecue.java ├── 760-D_TravelCard.cpp ├── 761-A_DashaandStairs.cpp ├── 761-B_Dashaandfriends.cpp ├── 761-C_DashaandPassword.cpp ├── 761-D_DashaandVeryDifficultProblem.cpp ├── 761-E_DashaandPuzzle.cpp ├── 761-F_DashaandPhotos.cpp ├── 762-A_k-thdivisor.java ├── 762-B_USBvs.PS2.java ├── 762-C_Twostrings.cpp ├── 762-D_Maximumpath.java ├── 764-A_Taymyriscallingyou.cpp ├── 764-B_Timofeyandcubes.cpp ├── 764-C_Timofeyandatree.cpp ├── 765-A_Neverendingcompetitions.cpp ├── 765-B_Codeobfuscation.cpp ├── 765-C_TableTennisGame2.cpp ├── 765-E_TreeFolding.cpp ├── 766-A_MahmoudandLongestUncommonSubsequence.cpp ├── 766-B_MahmoudandaTriangle.cpp ├── 766-C_MahmoudandaMessage.cpp ├── 766-D_MahmoudandaDictionary.cpp ├── 766-D_MahmoudandaDictionary.java ├── 766-E_Mahmoudandaxortrip.cpp ├── 767-A_Snacktower.cpp ├── 767-A_Snacktower.java ├── 767-C_Garland.cpp ├── 767-D_Cartonsofmilk.cpp ├── 768-A_OathoftheNight'sWatch.cpp ├── 768-B_CodeFor1.cpp ├── 768-C_JonSnowandhisFavouriteNumber.cpp ├── 768-E_GameofStones.cpp ├── 769-B_NewsAboutCredit.java ├── 770-A_NewPassword.java ├── 776-A_ASerialKiller.cpp ├── 776-B_Sherlockandhisgirlfriend.cpp ├── 776-C_Molly'sChemicals.cpp ├── 776-D_TheDoorProblem.cpp ├── 776-E_TheHolmesChildren.cpp ├── 777-A_ShellGame.java ├── 777-B_GameofCreditCards.java ├── 777-C_AlyonaandSpreadsheet.java ├── 777-D_CloudofHashtags.java ├── 779-A_PupilsRedistribution.cpp ├── 779-B_WeirdRounding.cpp ├── 779-C_DishonestSellers.cpp ├── 779-D_StringGame.cpp ├── 779-E_BitwiseFormula.cpp ├── 78-A_Haiku.java ├── 782-A_AndryushaandSocks.cpp ├── 782-B_TheMeetingPlaceCannotBeChanged.cpp ├── 782-C_AndryushaandColoredBalloons.cpp ├── 782-D_InnokentyandaFootballLeague.java ├── 784-A_NumbersJoke.java ├── 784-E_TwistedCircuit.java ├── 785-A_AntonandPolyhedrons.java ├── 785-B_AntonandClasses.java ├── 786-A_Berzerk.cpp ├── 787-A_TheMonster.java ├── 788-A_Functionsagain.java ├── 789-A_Anastasiaandpebbles.cpp ├── 789-B_Mashaandgeometricdepression.cpp ├── 789-C_Functionsagain.java ├── 789-D_Weirdjourney.cpp ├── 789-E_TheGreatMixing.cpp ├── 79-B_ColorfulField.java ├── 791-A_BearandBigBrother.java ├── 791-B_BearandFriendshipCondition.java ├── 791-C_BearandDifferentNames.java ├── 792-A_NewBusRoute.cpp ├── 792-B_Counting-outRhyme.cpp ├── 792-C_DividebyThree.cpp ├── 792-D_PathsinaCompleteBinaryTree.java ├── 793-A_Olegandshares.java ├── 793-B_Igorandhiswaytowork.java ├── 793-C_Miceproblem.java ├── 793-D_PresentsinBankopolis.java ├── 794-A_BankRobbery.java ├── 794-B_CuttingCarrot.java ├── 794-C_NamingCompany.java ├── 796-A_BuyingAHouse.cpp ├── 796-B_FindTheBone.cpp ├── 796-C_BankHacking.java ├── 796-D_PoliceStations.cpp ├── 796-E_ExamCheating.cpp ├── 797-A_k-Factorization.java ├── 797-B_Oddsum.java ├── 797-C_Minimalstring.java ├── 797-E_ArrayQueries.java ├── 798-A_Mikeandpalindrome.java ├── 798-B_Mikeandstrings.java ├── 798-C_Mikeandgcdproblem.java ├── 798-D_Mikeanddistribution.java ├── 799-A_CarrotCakes.java ├── 799-B_T-shirtbuying.java ├── 799-C_Fountains.java ├── 799-D_Fieldexpansion.java ├── 80-A_Panoramix'sPrediction.java ├── 80-B_Depression.cpp ├── 801-A_ViciousKeyboard.cpp ├── 801-B_ValuedKeys.cpp ├── 801-C_VoltageKeepsake.cpp ├── 801-D_VolatileKite.cpp ├── 802-N_AprilFools'Problem(medium).cpp ├── 802-N_AprilFools'Problem(medium).java ├── 803-A_MaximalBinaryMatrix.java ├── 803-B_DistancestoZero.java ├── 803-C_MaximalGCD.java ├── 803-D_MagazineAd.java ├── 803-E_RomaandPoker.java ├── 803-F_CoprimeSubsequences.java ├── 805-A_FakeNP.java ├── 805-B_3-palindrome.java ├── 805-C_FindAmir.java ├── 805-D_Minimumnumberofsteps.java ├── 807-A_Isitrated?.java ├── 807-B_T-ShirtHunt.java ├── 807-C_SuccessRate.java ├── 807-D_DynamicProblemScoring.java ├── 808-A_LuckyYear.java ├── 808-B_AverageSleepTime.java ├── 808-C_TeaParty.java ├── 808-D_ArrayDivision.java ├── 808-E_SellingSouvenirs.java ├── 808-F_CardGame.java ├── 808-G_AnthemofBerland.java ├── 81-A_Plug-in.cpp ├── 810-A_Straight<>.java ├── 810-B_Summersell-off.java ├── 810-C_Doyouwantadate?.java ├── 810-D_Gladtoseeyou!.java ├── 811-A_VladikandCourtesy.java ├── 811-B_VladikandComplicatedBook.java ├── 811-C_VladikandMemorableTrip.java ├── 811-D_VladikandFavoriteGame.java ├── 812-A_SagheerandCrossroads.java ├── 812-B_Sagheer,theHausmeister.java ├── 812-C_SagheerandNubianMarket.java ├── 812-E_SagheerandAppleTree.java ├── 813-A_TheContest.java ├── 813-B_TheGoldenAge.java ├── 813-C_TheTagGame.java ├── 814-A_Anabandonedsentimentfrompast.java ├── 814-B_Anexpresstraintoreveries.java ├── 814-C_Animpassionedcirculationofaffection.java ├── 814-D_Anovernightdanceindiscotheque.java ├── 817-B_MakesAndTheProduct.java ├── 818-A_DiplomasandCertificates.java ├── 818-B_PermutationGame.java ├── 818-C_SofaThief.java ├── 818-D_MulticoloredCars.java ├── 82-A_DoubleCola.cpp ├── 82-A_DoubleCola.java ├── 82-B_Sets.cpp ├── 82-C_GeneralMobilization.cpp ├── 820-A_MisterBandBookReading.java ├── 820-B_MisterBandAngleinPolygon.java ├── 820-D_MisterBandPRShifts.java ├── 821-A_OkabeandFutureGadgetLaboratory.java ├── 821-B_OkabeandBananaTrees.java ├── 821-C_OkabeandBoxes.java ├── 821-D_OkabeandCity.java ├── 821-E_OkabeandElPsyKongroo.java ├── 822-A_I'mboredwithlife.java ├── 822-B_Crosswordsolving.java ├── 822-C_Hacker,packyourbags!.java ├── 822-D_MyprettygirlNoora.java ├── 825-A_BinaryProtocol.java ├── 825-B_Five-In-a-Row.java ├── 825-C_Multi-judgeSolving.java ├── 825-D_SuitableReplacement.java ├── 825-E_MinimalLabels.java ├── 825-F_StringCompression.java ├── 825-G_TreeQueries.java ├── 828-A_RestaurantTables.java ├── 828-B_BlackSquare.java ├── 828-C_StringReconstruction.java ├── 828-D_HighLoad.java ├── 831-A_UnimodalArray.java ├── 831-B_KeyboardLayouts.java ├── 831-C_JuryMarks.java ├── 831-D_OfficeKeys.java ├── 831-E_CardsSorting.java ├── 832-A_SashaandSticks.java ├── 832-B_PetyaandExam.java ├── 832-C_StrangeRadiation.java ├── 832-D_Misha,GrishaandUnderground.java ├── 833-A_TheMeaninglessGame.java ├── 833-B_TheBakery.cpp ├── 835-A_Keyraces.java ├── 835-B_Thenumberontheboard.java ├── 835-C_Starsky.java ├── 835-D_Palindromiccharacteristics.cpp ├── 837-A_TextVolume.java ├── 837-B_FlagofBerland.java ├── 837-C_TwoSeals.java ├── 837-D_RoundSubset.java ├── 837-E_Vasya'sFunction.java ├── 839-A_AryaandBran.java ├── 839-B_GameoftheRows.java ├── 839-C_Journey.java ├── 839-D_Winterishere.cpp ├── 839-D_Winterishere.java ├── 84-A_ToyArmy.cpp ├── 84-A_ToyArmy.java ├── 840-C_OntheBench.cpp ├── 841-A_GenerousKefa.java ├── 841-B_Godsend.java ├── 841-C_LehaandFunction.java ├── 841-D_Lehaandanothergameaboutgraph.java ├── 842-A_KirillAndTheGame.java ├── 842-B_GlebAndPizza.java ├── 842-C_IlyaAndTheTree.cpp ├── 842-D_VityaandStrangeLesson.java ├── 843-A_SortingbySubsequences.java ├── 843-B_InteractiveLowerBound.java ├── 845-A_ChessTourney.java ├── 845-B_LubaAndTheTicket.java ├── 845-C_TwoTVs.java ├── 845-D_DrivingTest.java ├── 846-A_CurriculumVitae.java ├── 846-B_MathShow.java ├── 846-C_FourSegments.java ├── 846-D_Monitor.java ├── 847-G_UniversityClasses.java ├── 847-M_WeatherTomorrow.java ├── 848-B_Rooter'sSong.java ├── 849-A_OddsandEnds.java ├── 849-B_TellYourWorld.java ├── 849-C_FromYtoY.java ├── 850-A_FiveDimensionalPoints.java ├── 854-A_Fraction.java ├── 854-B_MaximBuysanApartment.java ├── 854-C_Planning.java ├── 854-D_JuryMeeting.java ├── 855-A_TomRiddle'sDiary.java ├── 855-B_MarvoloGaunt'sRing.java ├── 855-C_HelgaHufflepuff'sCup.java ├── 856-A_SetTheory.java ├── 856-B_SimilarWords.java ├── 859-A_DeclinedFinalists.java ├── 859-B_LazySecurityGuard.java ├── 859-C_PieRules.java ├── 859-E_DeskDisorder.java ├── 860-A_Didyoumean....java ├── 860-B_Polycarp'sphonebook.java ├── 860-D_Wizard'sTour.java ├── 861-A_k-rounding.java ├── 861-B_Whichfloor?.java ├── 861-C_Didyoumean....java ├── 861-D_Polycarp'sphonebook.java ├── 861-F_Wizard'sTour.java ├── 862-A_MahmoudandEhabandtheMEX.java ├── 862-B_MahmoudandEhabandthebipartiteness.java ├── 862-C_MahmoudandEhabandthexor.java ├── 862-E_MahmoudandEhabandthefunction.java ├── 863-A_Quasi-palindrome.java ├── 863-B_Kayaking.java ├── 863-C_1-2-3.java ├── 863-D_YetAnotherArrayQueriesProblem.java ├── 863-E_TurnOffTheTV.cpp ├── 864-A_FairGame.java ├── 864-B_PolycarpandLetters.java ├── 864-C_Bus.java ├── 864-D_MakeaPermutation!.java ├── 864-E_Fire.java ├── 867-A_BetweentheOffices.java ├── 867-B_Savetheproblem!.java ├── 867-C_OrderingPizza.java ├── 867-E_BuyLowSellHigh.java ├── 868-A_BarktoUnlock.java ├── 868-B_RaceAgainstTime.java ├── 868-C_QualificationRounds.java ├── 869-A_TheArtfulExpedient.java ├── 869-B_TheEternalImmortality.java ├── 869-C_TheIntriguingObsession.cpp ├── 87-A_Trains.java ├── 871-A_Maximumsplitting.java ├── 871-C_Points,LinesandReady-madeTitles.java ├── 872-A_SearchforPrettyIntegers.java ├── 872-B_MaximumofMaximumsofMinimums.java ├── 872-C_Maximumsplitting.java ├── 872-E_Points,LinesandReady-madeTitles.java ├── 873-A_Chores.java ├── 873-B_BalancedSubstring.java ├── 873-C_StrangeGameOnMatrix.java ├── 873-D_MergeSort.java ├── 875-A_ClassroomWatch.java ├── 875-B_SortingtheCoins.java ├── 876-B_DivisiblityofDifferences.java ├── 877-A_Alexandbrokencontest.java ├── 877-B_Nikitaandstring.java ├── 877-C_Slavaandtanks.java ├── 877-D_OlyaandEnergyDrinks.java ├── 877-E_DanilandaPart-timeJob.java ├── 878-A_ShortProgram.java ├── 884-A_BookReading.java ├── 884-B_JapaneseCrosswordsStrikeBack.java ├── 884-C_BertownSubway.java ├── 884-D_BoxesAndBalls.java ├── 888-A_LocalExtrema.java ├── 888-B_BuggyRobot.java ├── 888-C_K-DominantCharacter.java ├── 888-D_AlmostIdentityPermutations.java ├── 888-E_MaximumSubsequence.java ├── 89-A_Robbery.java ├── 890-A_ACMICPC.java ├── 890-B_VladandCafes.java ├── 890-C_PetyaandCatacombs.java ├── 890-D_Restorationofstring.java ├── 892-A_Greed.java ├── 892-B_Wrath.java ├── 892-C_Pride.java ├── 892-D_Gluttony.java ├── 893-A_ChessForThree.java ├── 893-B_BeautifulDivisors.java ├── 893-C_Rumor.java ├── 893-D_CreditCard.java ├── 893-E_CountingArrays.java ├── 893-F_SubtreeMinimumQuery.java ├── 894-A_QAQ.java ├── 894-B_RalphAndHisMagicField.java ├── 894-C_MarcoandGCDSequence.java ├── 894-D_RalphAndHisTourinBinaryCountry.java ├── 894-E_RalphandMushrooms.cpp ├── 895-A_PizzaSeparation.java ├── 895-B_XKSegments.java ├── 895-C_SquareSubsets.java ├── 895-D_StringMark.cpp ├── 895-E_EyesClosed.java ├── 898-A_Rounding.java ├── 898-B_ProperNutrition.java ├── 898-C_PhoneNumbers.java ├── 898-D_AlarmClock.java ├── 898-E_Squaresandnotsquares.java ├── 899-A_SplittinginTeams.cpp ├── 899-B_MonthsandYears.cpp ├── 899-C_Dividingthenumbers.cpp ├── 899-D_ShovelSale.cpp ├── 899-E_SegmentsRemoval.cpp ├── 899-F_LettersRemoving.cpp ├── 9-A_DieRoll.java ├── 9-B_RunningStudent.cpp ├── 9-C_Hexadecimal'sNumbers.cpp ├── 900-A_FindExtraOne.java ├── 900-B_PositioninFraction.java ├── 900-C_RemoveExtraOne.java ├── 900-D_UnusualSequences.cpp ├── 900-E_MaximumQuestions.java ├── 902-A_VisitingaFriend.java ├── 902-B_ColoringaTree.java ├── 902-C_HashingTrees.java ├── 902-D_GCDofPolynomials.java ├── 902-E_BipartiteSegments.cpp ├── 903-A_HungryStudentProblem.java ├── 903-B_TheModcrab.java ├── 903-C_BoxesPacking.java ├── 907-A_MashaandBears.cpp ├── 907-B_Tic-Tac-Toe.cpp ├── 907-C_Shockers.cpp ├── 907-D_SeatingofStudents.cpp ├── 907-E_Party.cpp ├── 908-A_NewYearandCountingCards.cpp ├── 908-B_NewYearandBuggyBot.cpp ├── 908-C_NewYearandCurling.java ├── 908-D_NewYearandArbitraryArrangement.cpp ├── 908-F_NewYearandRainbowRoads.cpp ├── 909-A_GenerateLogin.cpp ├── 909-B_Segments.cpp ├── 909-C_PythonIndentation.cpp ├── 909-D_ColorfulPoints.cpp ├── 909-E_Coprocessor.cpp ├── 91-A_NewspaperHeadline.java ├── 91-B_Queue.java ├── 910-A_TheWaytoHome.cpp ├── 910-B_DoorFrames.cpp ├── 910-C_MinimumSum.cpp ├── 911-A_NearestMinimums.cpp ├── 911-B_TwoCakes.cpp ├── 911-C_ThreeGarlands.cpp ├── 911-D_InversionCounting.cpp ├── 911-E_StackSorting.cpp ├── 911-F_TreeDestruction.cpp ├── 912-A_TrickyAlchemy.cpp ├── 912-B_NewYear'sEve.cpp ├── 913-A_ModularExponentiation.cpp ├── 913-B_ChristmasSpruce.cpp ├── 913-C_PartyLemonade.cpp ├── 913-D_TooEasyProblems.cpp ├── 914-A_PerfectSquares.cpp ├── 914-B_ConanandAgasaplayaCardGame.cpp ├── 914-C_TravellingSalesmanandSpecialNumbers.java ├── 914-D_BashandaToughMathPuzzle.cpp ├── 914-E_PalindromesinaTree.cpp ├── 915-A_Garden.cpp ├── 915-B_Browser.cpp ├── 915-C_PermuteDigits.cpp ├── 915-D_AlmostAcyclicGraph.cpp ├── 915-E_PhysicalEducationLessons.cpp ├── 916-A_JamieandAlarmSnooze.cpp ├── 916-C_JamieandInterestingGraph.cpp ├── 918-A_Eleven.java ├── 918-B_RadioStation.java ├── 918-C_TheMonster.java ├── 918-D_MADMAX.java ├── 919-A_Supermarket.cpp ├── 919-B_PerfectNumber.cpp ├── 919-C_SeatArrangements.cpp ├── 919-D_Substring.cpp ├── 919-E_CongruenceEquation.cpp ├── 92-A_Chips.java ├── 92-D_Queue.java ├── 920-E_ConnectedComponents?.cpp ├── 920-F_SUMandREPLACE.java ├── 930-A_Peculiarapple-tree.java ├── 930-B_GamewithString.java ├── 930-C_Teodorisnotaliar!.java ├── 932-A_PalindromicSupersequence.java ├── 932-B_RecursiveQueries.java ├── 932-C_PermutationCycle.java ├── 932-D_Tree.java ├── 935-A_FafaandhisCompany.java ├── 935-B_FafaandtheGates.java ├── 935-C_FifaandFafa.java ├── 935-D_FafaandAncientAlphabet.java ├── 937-A_Olympiad.java ├── 937-B_VileGrasshoppers.java ├── 937-C_SaveEnergy!.java ├── 937-D_SleepyGame.java ├── 94-A_RestoringPassword.java ├── 946-B_WeirdSubtractionProcess.java ├── 946-C_StringTransformation.java ├── 946-D_Timetable.java ├── 95-C_Volleyball.cpp ├── 95-E_LuckyCountry.cpp ├── 950-A_Left-handers,Right-handersandAmbidexters.java ├── 950-B_InterceptedMessage.java ├── 950-C_Zebras.java ├── 950-D_ALeapfrogintheArray.java ├── 954-A_DiagonalWalking.java ├── 954-B_StringTyping.java ├── 954-C_MatrixWalk.java ├── 956-A_MysticalMosaic.java ├── 956-B_Three-levelLaser.java ├── 956-C_RiversideCurio.java ├── 96-A_Football.java ├── 96-B_LuckyNumbers(easy).java ├── 960-A_Checkthestring.java ├── 962-A_Equator.java ├── 962-B_StudentsinRailwayCarriage.java ├── 962-C_MakeaSquare.java ├── 962-D_MergeEquals.java ├── 962-E_Byteland,BerlandandDisputedCities.cpp ├── 963-D_FrequencyofString.cpp ├── 965-A_PaperAirplanes.cpp ├── 965-B_Battleship.cpp ├── 965-C_GreedyArkady.cpp ├── 965-D_Single-useStones.cpp ├── 965-E_ShortCode.cpp ├── 967-B_WateringSystem.cpp ├── 975-A_Aramicscript.cpp ├── 975-A_Aramicscript.java ├── 975-B_Mancala.cpp ├── 975-C_ValhallaSiege.cpp ├── 975-D_Ghosts.cpp ├── 975-E_Hag'sKhashba.java ├── 980-A_LinksandPearls.java ├── 980-B_Marlin.java ├── 980-C_Posterized.cpp ├── 980-D_PerfectGroups.cpp ├── 982-A_Row.cpp ├── 982-B_BusofCharacters.cpp ├── 982-C_Cut'emall!.cpp ├── 982-D_Shark.cpp ├── 985-A_ChessPlacing.cpp ├── 985-B_SwitchesandLamps.cpp ├── 985-C_Liebig'sBarrels.cpp ├── 985-D_SandFortress.cpp ├── 985-E_PencilsandBoxes.cpp ├── 985-E_PencilsandBoxes.java ├── 985-F_IsomorphicStrings.cpp ├── 986-A_Fair.cpp ├── 986-B_PetrandPermutations.cpp ├── 986-C_ANDGraph.cpp ├── 988-A_DiverseTeam.cpp ├── 99-A_HelpFarAwayKingdom.java ├── 990-A_CommentaryBoxes.cpp ├── 990-B_Micro-World.cpp ├── 990-C_BracketSequencesConcatenationProblem.cpp ├── 991-A_Ifatfirstyoudon'tsucceed....cpp ├── 991-B_GettinganA.cpp ├── 991-C_Candies.cpp ├── 991-D_Bishwock.cpp ├── 991-E_BusNumber.cpp ├── 991-F_Conciseandclear.cpp ├── 995-A_Tesla.cpp ├── 995-B_SuitandTie.cpp ├── 995-C_LeavingtheBar.cpp ├── 996-A_HittheLottery.cpp ├── 996-B_WorldCup.cpp ├── 996-F_Game.cpp ├── 998-A_Balloons.cpp ├── 998-B_Cutting.cpp ├── 998-C_ConverttoOnes.cpp ├── 998-D_RomanDigits.cpp ├── 999-A_MishkaandContest.cpp ├── 999-B_ReversingEncryption.cpp ├── 999-C_AlphabeticRemovals.cpp ├── 999-C_AlphabeticRemovals.java ├── 999-D_EqualizetheRemainders.cpp ├── 999-E_ReachabilityfromtheCapital.cpp └── 999-F_CardsandJoy.cpp ├── Live Archive Solutions ├── 3930 - Drop the Triples.cpp └── 6761 - Super Ants.cpp ├── SPOJ solutions ├── ABCPATH - ABC Path.java ├── ADACLEAN ├── AIBOHP - Aibohphobia.cpp ├── AMR10G - Christmas Play.cpp ├── BGSHOOT - Shoot and kill.cpp ├── BITMAP - Bitmap.cpp ├── BRCKTS_Brackets.java ├── CHAIN - Strange Food Chain.java ├── CHOCOLA - Chocolate.cpp ├── COT2 - Count on a tree II.cpp ├── CTRICK - Card Trick.cpp ├── DISUBSTR - Distinct Substrings.java ├── EGYPIZZA - Pizza.java ├── ETF - Euler Totient Function.cpp ├── FARIDA - Princess Farida.java ├── FINDPRM - Finding Primes.cpp ├── FISHER - Fishmonger.cpp ├── GALOU - Galou is back!.cpp ├── GS - Going to school.java ├── HACKERS - Hackers.cpp ├── HAYBALE - Haybale stacking.cpp ├── HORRIBLE - Horrible Queries.cpp ├── KQUERY - K-query.cpp ├── LCA - Lowest Common Ancestor .java ├── LCA - Lowest Common Ancestor .java ├── LIM - Lost in Madrid.java ├── LPS - Longest Palindromic Substring.java ├── MARBLES - Marbles.cpp ├── MATSUM - Matrix Summation.cpp ├── MIXTURES - Mixtures.java ├── NGM2 - Another Game With Numbers.java ├── NHAY - A Needle in the Haystack.java ├── NICEBTRE - Nice Binary Trees.cpp ├── PARTY - Party Schedule.java ├── PIGBANK - Piggy-Bank.java ├── POSTERS - Election Posters.cpp ├── PPATH - Prime Path.java ├── PT07X - Vertex Cover.cpp ├── PT07Y_Is it a tree.java ├── PT07Z_Longest path in a tree.cpp ├── PT07Z_Longest path in a tree.java ├── QMAX3VN - Giá trị lớn nhất 3.cpp ├── QTREE2 - Query on a tree II.cpp ├── QTREE3 - Query on a tree again!.cpp ├── QTREE5 - Query on a tree V.cpp ├── QUEST4 - Dungeon of Death.java ├── RMQSQ - Range Minimum Query.java ├── RPLN_Negative Score.cpp ├── SOCIALNE - Possible Friends.cpp ├── SPOJ SHOP.cpp ├── SUBLEX - Lexicographical Substring Search.cpp ├── SUBST1 - New Distinct Substrings.cpp ├── TAXI - Taxi.java ├── TOURIST - Tourist.cpp ├── TREAP - Yet another range difference query!.java ├── TREEORD - Tree _order.java └── TRT - Treats for the Cows.cpp ├── TIMUS Solutions ├── 1003. Parity.java ├── 1042. Central Heating.java ├── 1470. UFOs.java ├── 1671. Anansi's Cobweb.java ├── 1673. Admission to Exam.java └── 1846. GCD 2010.cpp ├── Topcoder Solutions ├── SRM 153-D1-500.java ├── SRM 155-D1-1000.java ├── SRM 155-D2-500.java ├── SRM 166-D2-1000.java ├── SRM 168-D1-500.java ├── SRM 174-D1-1000.java ├── SRM 174-D1-250.java ├── SRM 174-D1-500.java ├── SRM 174-D2-1000.java ├── SRM 174-D2-500.java ├── SRM 178-D1-500.java ├── SRM 179-D1-1000.java ├── SRM 181-D2-1000.java ├── SRM 183-D1-500.java ├── SRM 184-D1-500.java ├── SRM 187-D2-1000.java ├── SRM 190-D1-1000.java ├── SRM 199-D1-500.java ├── SRM 208-D1-1000.java ├── SRM 208-D1-500.java ├── SRM 208-D2-1000.java ├── SRM 216-D1-500.java ├── SRM 222-D2-1000.java ├── SRM 223-D1-250.java ├── SRM 223-D1-500.java ├── SRM 226-D1-1000.java ├── SRM 233-D1-250.java ├── SRM 237-D1-250.java ├── SRM 239-D2-1000.java ├── SRM 240-D1-1000.cpp ├── SRM 242-D1-500.java ├── SRM 243-D1-500.java ├── SRM 249-D1-1000.java ├── SRM 250-D1-1000.java ├── SRM 259-D2-500.java ├── SRM 261-D1-500.java ├── SRM 266-D1-1000.java ├── SRM 281-D2-1000.java ├── SRM 283-D1-250.java ├── SRM 286-D1-1000.java ├── SRM 286-D2-1000.java ├── SRM 302-D1-250.java ├── SRM 303-D2-1000.java ├── SRM 303-D2-250.java ├── SRM 304-D2-250.java ├── SRM 305-D1-1000.java ├── SRM 307-D2-1000.java ├── SRM 310-D1-500.java ├── SRM 311-D1-500.cpp ├── SRM 311-D2-500.java ├── SRM 318-D2-250.java ├── SRM 319-D2-1000.java ├── SRM 347-D1-500.java ├── SRM 349-D2-500.java ├── SRM 351-D1-1000.cpp ├── SRM 352-D2-500.cpp ├── SRM 353-D2-250.java ├── SRM 354-D2-1000.cpp ├── SRM 366-D2-500.cpp ├── SRM 368-D2-250.java ├── SRM 374-D2-250.java ├── SRM 376-D2-1000.java ├── SRM 400-D2-1000.java ├── SRM 401-D2-250.java ├── SRM 409-D2-1000.cpp ├── SRM 410-D2-1000.cpp ├── SRM 411-D2-500.cpp ├── SRM 419-D2-1000.cpp ├── SRM 422-D2-500.cpp ├── SRM 428-D2-1000.cpp ├── SRM 443-D2-500.cpp ├── SRM 445-D2-500.cpp ├── SRM 447-D2-500.java ├── SRM 456-D2-1000.cpp ├── SRM 459-D2-250.java ├── SRM 462-D2-250.java ├── SRM 488-D2-500.java ├── SRM 492-D2-500.java ├── SRM 498-D2-1000.cpp ├── SRM 518-D2-1000.java ├── SRM 520-D1-500.cpp ├── SRM 531-D2-500.cpp ├── SRM 532-D2-1000.cpp ├── SRM 538-D2-500.cpp ├── SRM 541-D2-1000.cpp ├── SRM 546-D2-1000.cpp ├── SRM 546-D2-500.java ├── SRM 547-D2-500.cpp ├── SRM 549-D2-500.java ├── SRM 550-D2-1000.java ├── SRM 555-D2-500.cpp ├── SRM 569-D2-1000.java ├── SRM 577-D1-500.cpp ├── SRM 577-D2-1000.cpp ├── SRM 582-D2-500.java ├── SRM 592-D2-500.cpp ├── SRM 594-D2-500.cpp ├── SRM 598-D2-1000.cpp ├── SRM 600-D2-1000.java ├── SRM 607-D2-500.cpp ├── SRM 609-D2-1000.java ├── SRM 611-D2-1000.java ├── SRM 618-D2-1000.cpp ├── SRM 627-D2-250.java ├── SRM 633-D2-500.java ├── SRM 634-D2-1000.cpp ├── SRM 646-D2-500.java ├── SRM 648-D2-1000.cpp ├── SRM 656-D2-500.java ├── SRM 664-D2-500.cpp ├── SRM 667-D2-250.java ├── SRM 668-D2-500.java ├── SRM 676-D2-500.java ├── SRM 683-D2-1000.java ├── SRM 696-D2-500.java ├── SRM 698-D2-500.cpp ├── SRM 703-D2-500.cpp ├── SRM 727-D2-1000.cpp ├── SRM 8-D1-1000.java ├── TCCCQ1-2004-500.java ├── TCCCQ1-2005-500.java ├── TCCCQ5-2005-1000.java ├── TCCCR3-2005-500.java ├── TCCOR1-2004-1000.java ├── TCCOR1-2004-500.java ├── TCCOR3-250.java ├── TCCOR3-500.java ├── TCCOR4-250.java ├── TCCSR3-250.java ├── TCHS 16-D1-1000.java ├── TCOR3-2005-250.java └── TCOSR4-2003-250.java └── UVA Solutions ├── 10000 - Longest Paths.java ├── 10004 - Bicoloring.cpp ├── 10005 - Packing polygons.cpp ├── 10007 - Count the Trees.java ├── 10009 - All Roads Lead Where?.java ├── 10010 - Where's Waldorf?.cpp ├── 10020 - Minimal coverage.java ├── 10034 - Freckles.java ├── 10038 - Jolly Jumpers.java ├── 10048 - Audiophobia.java ├── 10050 - Hartals.cpp ├── 10050 - Hartals.java ├── 10054 - The Necklace.java ├── 10055 - Hashmat the Brave Warrior.java ├── 10074 - Take the Land.java ├── 10090 - Marbles.java ├── 10092 - The Problem with the Problem Setter.java ├── 10099 - The Tourist Guide.java ├── 10102 - The path in the colored field.java ├── 10104 - Euclid Problem.java ├── 10106 - Product.java ├── 10107 - What is the Median?.java ├── 10110 - Light, more light.java ├── 10122 - Mysterious Mountain.java ├── 10129 - Play on Words.java ├── 10130 - SuperSale.java ├── 10131 - Is Bigger Smarter?.java ├── 10136 - Chocolate Chip Cookies.cpp ├── 10140 - Prime Distance.java ├── 10141 - Request for Proposal.java ├── 10179 - Irreducable Basic Fractions.java ├── 10192 - Vacation.java ├── 10196 - Check The Check.java ├── 10200 - Prime Time.java ├── 10205 - Stack 'em Up.java ├── 10212 - The Last Non-zero Digit..java ├── 10219 - Find the ways !.java ├── 10242 - Fourth Point !!.cpp ├── 10245 - The Closest Pair Problem.cpp ├── 10260 - Soundex.java ├── 10261 - Ferry Loading.hava ├── 10279 - Mine Sweeper.java ├── 10281 - Average Speed.java ├── 10284 - Chessboard in FEN.java ├── 10296 - Jogging Trails.cpp ├── 10298 - Power Strings.java ├── 10299 - Relatives.java ├── 10300 - Ecological Premium.java ├── 10303 - How Many Trees?.java ├── 10305 - Ordering Tasks.cpp ├── 10306 - e-Coins.java ├── 10307 - Killing Aliens in Borg Maze.cpp ├── 10308 - Roads in the North.java ├── 10309 - Turn the Lights Off.java ├── 10312 - Expression Bracketing.java ├── 10324 - Zeros and Ones.java ├── 10334 - Ray Through Glasses.java ├── 10336 - Rank the Languages.java ├── 10337 - Flight Planner.java ├── 10338 - Mischievous Children.java ├── 10350 - Liftless EME.java ├── 10360 - Rat Attack.java ├── 10370 - Above Average.java ├── 10407 - Simple division.java ├── 10409 - Die Game.java ├── 10424 - Love Calculator.java ├── 10441 - Catenyms.java ├── 10453 - Make Palindrome.java ├── 10459 - The Tree Root.java ├── 10462 - Is There A Second Way Left?.java ├── 10464 - Big Big Real Numbers.java ├── 10480 - Sabotage.java ├── 10487 - Closest Sums.java ├── 10491 - Cows and Cars.java ├── 10496 - Collecting Beepers.java ├── 105 - The Skyline Problem.cpp ├── 10503 - The dominoes solitaire.java ├── 10505 - Montesco vs Capuleto.java ├── 10507 - Waking up brain.java ├── 10519 - !! Really Strange !!.java ├── 10530 - Guessing Game.java ├── 10534 - Wavio Sequence.java ├── 10541 - Stripe.java ├── 10550 - Combination Lock.java ├── 10557 - XYZZY.java ├── 10567 - Helping Fill Bates.java ├── 10594 - Data Flow.java ├── 10596 Morning Walk.java ├── 10600 - ACM Contest and Blackout.java ├── 10608 - Friends.java ├── 10616 - Divisible Group Sums.java ├── 10617 - Again Palindrome.java ├── 10626 - Buying Coke.java ├── 10650 - Determinate Prime.java ├── 10651 - Pebble Solitaire.cpp ├── 10655 - Contemplation! Algebra.java ├── 10656 - Maximum Sum (II).cpp ├── 10660 - Citizen attention offices.java ├── 10664 - Luggage.java ├── 10667 - Largest Block.java ├── 10679 - I Love Strings!!.java ├── 10680 - LCM.java ├── 10684 - The jackpot.java ├── 10689 - Yet another Number Sequence.java ├── 10690 - Expression Again.cpp ├── 10699 - Count the factors.java ├── 10721 - Bar Codes.java ├── 10738 - Riemann vs Mertens.java ├── 10746 - Crime Wave - The Sequel.java ├── 10755 - Garbage Heap.java ├── 10759 - Dice Throwing.java ├── 10765 - Doves and bombs.java ├── 10779 - Collectors Problem.java ├── 10789 - Prime Frequency.java ├── 108 - Maximum Sum.java ├── 10803 - Thunder Mountain.java ├── 10806 - Dijkstra, Dijkstra..java ├── 10819 - Trouble of 13-Dots.cpp ├── 10827 - Maximum sum on a torus.java ├── 10842 - Traffic Flow.java ├── 10849 - Move the bishop.java ├── 10855 - Rotated square.java ├── 10888 - Warehouse.java ├── 10892 - LCM Cardinality.java ├── 10895 - Matrix Transpose.java ├── 10897 - Travelling Distance.cpp ├── 10918 - Tri Tiling.java ├── 10919 - Prerequisites?.java ├── 10926 - How Many Dependencies?.java ├── 10937 - Blackbeard the Pirate.java ├── 10946 - You want what filled?.cpp ├── 10947 - Bear with me, again...java ├── 10959 - The Party, Part I.java ├── 1096 - The Islands.cpp ├── 10963 - The Swallowing Ground.java ├── 10978 - Let's Play Magic!.java ├── 10986 - Sending email.java ├── 10987 - Antifloyd.java ├── 10990 - Another New Function.java ├── 11000 - Bee.cpp ├── 11003 - Boxes.java ├── 11015 - 05-2 Rendezvous.java ├── 11020 - Efficient Solutions.cpp ├── 11022 - String Factoring.java ├── 11045 - My T-shirt suits me.java ├── 11060 - Beverages.java ├── 11078 - Open Credit System.java ├── 11093 - Just Finish it up.java ├── 11094 - Continents.java ├── 111 - History Grading.java ├── 11100 - The Trip, 2007.java ├── 11136 - Hoax or what.java ├── 11155 - Be Efficient.java ├── 11161 - Help My Brother (II).java ├── 11167 - Monkeys in the Emei Mountain.java ├── 11173 - Grey Codes.java ├── 11195 - Another n-Queen Problem.cpp ├── 11222 - Only I did it!.java ├── 11225 - Tarot scores..java ├── 11228 - Transportation system..java ├── 11235 - Frequent values.java ├── 11236 - Grocery store.java ├── 11244 - Counting Stars.java ├── 11282 - Mixing Invitations.java ├── 11286 - Conformity.java ├── 11294 - Wedding.java ├── 11297 - Census.java ├── 11327 - Enumerating Rational Numbers.java ├── 11340 - Newspaper.java ├── 11344 - The Huge One.java ├── 11368 - Nested Dolls.java ├── 11371 - Number Theory for Newbies.java ├── 11378 - Bey Battle.cpp ├── 11380 - Down Went The Titanic.java ├── 11413 - Fill the Containers.java ├── 11418 - Clever Naming Patterns.java ├── 11440 - Help Tomisu.cpp ├── 11450 - Wedding shopping.java ├── 11452 - Dancing the Cheeky-Cheeky.java ├── 11456 - Trainsorting.java ├── 11463 - Commandos.java ├── 11466 - Largest Prime Divisor.java ├── 11474 - Dying Tree.java ├── 11491 - Erasing and Winning.java ├── 11494 - Queen.java ├── 11503 - Virtual Friends.java ├── 11515 - Cranes.java ├── 11517 - Exact Change.java ├── 11532 - Simple Adjacency Maximization.java ├── 11542 - Square.java ├── 11565 - Simple Equations.java ├── 11572 - Unique Snowflakes.java ├── 11590 - Prefix Lookup.java ├── 11608 - No Problem.java ├── 11631 - Dark roads.cpp ├── 11658 - Best Coalitions.java ├── 11667 - Income Tax Hazard II.cpp ├── 11678 - Cards' Exchange.java ├── 11683 - Laser Sculpture.java ├── 11721 - Instant View of Big Bang.java ├── 11727 - Cost Cutting.java ├── 11728 - Alternate Task.java ├── 11730 - Number Transformation.java ├── 11747 - Heavy Cycle Edges.java ├── 11760 - Brother Arif, Please feed us!.java ├── 11764 - Jumping Mario.java ├── 11790 - Murcia's Skyline.java ├── 118 - Mutant Flatworld Explorers.java ├── 11806 - Cheerleaders.java ├── 11821 - High-Precision Number.java ├── 11824 - A Minimum Land Price.java ├── 11827 - Maximum GCD.java ├── 11831 - Sticker Collector Robot.java ├── 11838 - Come and Go.cpp ├── 11849 - CD.java ├── 11850 - Alaska.java ├── 11875 - Brick Game.java ├── 11888 - Abnormal 89's.java ├── 11889 - Benefit.java ├── 119 - Greedy Gift Givers.cpp ├── 11926 - Multitasking.java ├── 11942 - Lumberjack Sequencing.java ├── 11951 - Area.cpp ├── 11955 - Binomial Theorem.java ├── 11956 - Brainfuck.java ├── 1196 - Tiling Up Blocks.java ├── 11990 - ``Dynamic'' Inversion.java ├── 11991 - Easy Problem from Rujia Liu?.java ├── 12015 - Google is Feeling Lucky.java ├── 12024 - Hats.java ├── 1208 - Oreon.java ├── 12083 - Guardian of Decency.java ├── 12086 - Potentiometers.java ├── 12101 - Prime Path.java ├── 12125 - March of the Penguins.java ├── 1213 - Sum of Different Primes.java ├── 12150 - Pole Position.java ├── 12157 - Tariff Plan.java ├── 12192 - Grapevine.java ├── 12208 - How Many Ones Needed?.cpp ├── 12239 - Bingo!.cpp ├── 12250 - Language Detection.java ├── 12279 - Emoogle Balance.java ├── 12289 - One-Two-Three.java ├── 1230 - MODEX.java ├── 1232 - SKYLINE.java ├── 12321 - Gas Stations.java ├── 12347 - Binary Search Tree.java ├── 1235 - Anti Brute Force Lock.java ├── 12356 - Army Buddies.java ├── 1237 - Expert Enough?.java ├── 12372 - Packing for Holiday.java ├── 124 - Following Orders.java ├── 12403 - Save Setu.java ├── 12405 - Scarecrow.java ├── 1241 - Jollybee Tournament.java ├── 1244 - Palindromic paths.cpp ├── 12455 - Bars.java ├── 12468 - Zapping.java ├── 12478 - Hardest Problem Ever (Easy).java ├── 12488 - Start Grid.java ├── 1249 - Euclid.cpp ├── 125 - Numbering Paths.java ├── 12503 - Robot Instructions.java ├── 12526 - Cellphone Typing.java ├── 12554 - A Special "Happy Birthday" Song!!!.java ├── 1260 - Sales.java ├── 12604 - Caesar Cipher.java ├── 12670 - Counting ones.cpp ├── 13032 - Marbles in Jars.cpp ├── 1381 - Balancing the Scale.cpp ├── 141 - The Spot Game.cpp ├── 146 - ID Codes.java ├── 147 - Dollars.java ├── 152 - Tree's a Crowd.cpp ├── 162 - Beggar My Neighbour.java ├── 167 - The Sultan's Successors.java ├── 191 - Intersection.cpp ├── 196 - Spreadsheet.java ├── 200 - Rare Order.java ├── 220 - Othello.cpp ├── 231 - Testing the CATCHER.java ├── 247 - Calling Circles.java ├── 255 - Correct Move.java ├── 294 - Divisors.java ├── 295 - Fatman.java ├── 297 - Quadtrees.java ├── 302 - John's trip.java ├── 315 - Network.cpp ├── 324 - Factorial Frequencies.java ├── 340 - Master-Mind Hints.cpp ├── 341 - Non-Stop Travel.java ├── 350 - Pseudo-Random Numbers.java ├── 352 - The Seasonal War.cpp ├── 357 - Let Me Count The Ways.java ├── 369 - Combinations.java ├── 374 - Big Mod.java ├── 378 - Intersecting Lines.cpp ├── 382 - Perfection.java ├── 383 - Shipping Routes.java ├── 389 - Basically Speaking.java ├── 401 - Palindromes.java ├── 406 - Prime Cuts.java ├── 408 - Uniform Generator.java ├── 414 - Machined Surfaces.java ├── 423 - MPI Maelstrom.cpp ├── 423 - MPI Maelstrom.java ├── 429 - Word Transformation.java ├── 436 - Arbitrage (II).java ├── 437 - The Tower of Babylon.java ├── 441 - Lotto.java ├── 455 - Periodic Strings.java ├── 459 - Graph Connectivity.java 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