├── README.md
├── 364-easy
    ├── README.md
    └── 364-easy.playground
    │   ├── playground.xcworkspace
    │       ├── contents.xcworkspacedata
    │       ├── xcuserdata
    │       │   └── cor.xcuserdatad
    │       │   │   └── UserInterfaceState.xcuserstate
    │       └── xcshareddata
    │       │   └── IDEWorkspaceChecks.plist
    │   ├── timeline.xctimeline
    │   ├── contents.xcplayground
    │   └── Contents.swift
├── 263-easy
    └── 263-easy.playground
    │   ├── contents.xcplayground
    │   ├── playground.xcworkspace
    │       ├── contents.xcworkspacedata
    │       └── xcuserdata
    │       │   └── cor.xcuserdatad
    │       │       └── UserInterfaceState.xcuserstate
    │   └── Contents.swift
├── 312-easy
    └── 312-easy.playground
    │   ├── contents.xcplayground
    │   ├── playground.xcworkspace
    │       ├── contents.xcworkspacedata
    │       └── xcuserdata
    │       │   └── cor.xcuserdatad
    │       │       └── UserInterfaceState.xcuserstate
    │   └── Contents.swift
└── 312-intermediate
    └── 312-intermediate.playground
        ├── contents.xcplayground
        ├── playground.xcworkspace
            ├── contents.xcworkspacedata
            └── xcuserdata
            │   └── cor.xcuserdatad
            │       └── UserInterfaceState.xcuserstate
        ├── timeline.xctimeline
        └── Contents.swift


/README.md:
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1 | # daily-programmer
2 | /r/dailyprogrammer
3 | 


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/364-easy/README.md:
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1 | I have no idea what this is. It probably is not the actual 364-easy challange
2 | 


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/364-easy/364-easy.playground/playground.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 | </Workspace>
5 | 


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/364-easy/364-easy.playground/timeline.xctimeline:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Timeline
3 |    version = "3.0">
4 |    <TimelineItems>
5 |    </TimelineItems>
6 | </Timeline>
7 | 


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/263-easy/263-easy.playground/contents.xcplayground:
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1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
2 | <playground version='5.0' target-platform='ios'>
3 |     <timeline fileName='timeline.xctimeline'/>
4 | </playground>


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/312-easy/312-easy.playground/contents.xcplayground:
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1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
2 | <playground version='5.0' target-platform='ios'>
3 |     <timeline fileName='timeline.xctimeline'/>
4 | </playground>


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/263-easy/263-easy.playground/playground.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


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/312-easy/312-easy.playground/playground.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


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/312-intermediate/312-intermediate.playground/contents.xcplayground:
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1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
2 | <playground version='5.0' target-platform='ios'>
3 |     <timeline fileName='timeline.xctimeline'/>
4 | </playground>


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/312-intermediate/312-intermediate.playground/playground.xcworkspace/contents.xcworkspacedata:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


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/364-easy/364-easy.playground/contents.xcplayground:
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1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
2 | <playground version='5.0' target-platform='ios' executeOnSourceChanges='false'>
3 |     <timeline fileName='timeline.xctimeline'/>
4 | </playground>


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/263-easy/263-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate:
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https://raw.githubusercontent.com/CoR/daily-programmer/master/263-easy/263-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate


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/312-easy/312-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate:
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https://raw.githubusercontent.com/CoR/daily-programmer/master/312-easy/312-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate


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/364-easy/364-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate:
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https://raw.githubusercontent.com/CoR/daily-programmer/master/364-easy/364-easy.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate


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/312-intermediate/312-intermediate.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate:
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https://raw.githubusercontent.com/CoR/daily-programmer/master/312-intermediate/312-intermediate.playground/playground.xcworkspace/xcuserdata/cor.xcuserdatad/UserInterfaceState.xcuserstate


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/364-easy/364-easy.playground/playground.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


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/312-intermediate/312-intermediate.playground/timeline.xctimeline:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Timeline
 3 |    version = "3.0">
 4 |    <TimelineItems>
 5 |       <LoggerValueHistoryTimelineItem
 6 |          documentLocation = "#CharacterRangeLen=0&amp;CharacterRangeLoc=1571&amp;EndingColumnNumber=30&amp;EndingLineNumber=37&amp;StartingColumnNumber=1&amp;StartingLineNumber=37&amp;Timestamp=515172452.254043"
 7 |          selectedRepresentationIndex = "0"
 8 |          shouldTrackSuperviewWidth = "NO">
 9 |       </LoggerValueHistoryTimelineItem>
10 |       <LoggerValueHistoryTimelineItem
11 |          documentLocation = "#CharacterRangeLen=0&amp;CharacterRangeLoc=763&amp;EndingColumnNumber=14&amp;EndingLineNumber=27&amp;StartingColumnNumber=1&amp;StartingLineNumber=27&amp;Timestamp=515172173.872167"
12 |          selectedRepresentationIndex = "0"
13 |          shouldTrackSuperviewWidth = "NO">
14 |       </LoggerValueHistoryTimelineItem>
15 |    </TimelineItems>
16 | </Timeline>
17 | 


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/263-easy/263-easy.playground/Contents.swift:
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 1 | //
 2 | // 263-easy
 3 | //
 4 | // https://www.reddit.com/r/dailyprogrammer/comments/4fc896/20160418_challenge_263_easy_calculating_shannon/
 5 | //
 6 | 
 7 | import Foundation
 8 | 
 9 | func shanonEntropy(sequence: String) -> Double {
10 |     
11 |     let n = Double(sequence.characters.count)
12 |     
13 |     return -Set(sequence.characters).map {
14 |         
15 |         (character) -> Double in
16 |         
17 |         let occurranceCount = Double(sequence.characters.reduce(0) {
18 |             (accumulator: Int, currentCharacter: Character) -> Int in
19 |             return currentCharacter == character ? accumulator + 1 : accumulator
20 |         })
21 |         
22 |         return (occurranceCount / n) * log2(occurranceCount / n)
23 |     }.reduce(0, combine: +)
24 | }
25 | 
26 | shanonEntropy("122333444455555666666777777788888888")
27 | shanonEntropy("563881467447538846567288767728553786")
28 | shanonEntropy("https://www.reddit.com/r/dailyprogrammer")
29 | shanonEntropy("int main(int argc, char *argv[])")
30 | 


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/312-easy/312-easy.playground/Contents.swift:
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 1 | import UIKit
 2 | 
 3 | let substitituions: [Character: String] = [
 4 |     "A": "4",
 5 |     "B": "6",
 6 |     "E": "3",
 7 |     "I": "1",
 8 |     "L": "|",
 9 |     "M": "(V)",
10 |     "N": "(\\)",
11 |     "O": "0",
12 |     "S": "5",
13 |     "T": "7",
14 |     "V": "\\/",
15 |     "W": "`//"
16 | ]
17 | 
18 | 
19 | extension Character {
20 |     // Using String's uppercased method since Character doesn't have it
21 |     func uppercased() -> Character {
22 |         return Character(String(self).uppercased())
23 |     }
24 | }
25 | 
26 | func substituteCharacter(character: Character) -> String {
27 |     // If the Character is in the substitions dictionary, substitute it, else return the Character itself as a String
28 |     if let substititution = substitituions[character.uppercased()] {
29 |         return substititution
30 |     } else {
31 |         return String(character)
32 |     }
33 | }
34 | 
35 | func convertTo1337(input: String) -> String {
36 |     return input.characters.map(substituteCharacter).joined()
37 | }
38 | 
39 | func convertFrom1337(input: String) -> String {
40 |     var result = input
41 |     for (normal, leetSubstititon) in substitituions {
42 |         result = result.replacingOccurrences(of: leetSubstititon, with: String(normal))
43 |     }
44 |     return result
45 | }
46 | 
47 | print(convertTo1337(input: "Elitemom"))
48 | print(convertFrom1337(input: "3|173(V)0(V)"))
49 | 
50 | 


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/312-intermediate/312-intermediate.playground/Contents.swift:
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 1 | import UIKit
 2 | 
 3 | 
 4 | // Heap's permutation algorithm as a String extension
 5 | extension String {
 6 |     
 7 |     var permutations: [String] {
 8 |         get {
 9 |             func perm(n: Int, a: inout [Character], result: inout [String]) {
10 |                 if n == 1 {result.append(String(a)); return}
11 |                 for i in 0..<n-1 {
12 |                     perm(n: n-1, a: &a, result: &result)
13 |                     swap(&a[n-1], &a[(n%2 == 1) ? 0 : i])
14 |                 }
15 |                 perm(n: n-1, a: &a, result: &result)
16 |             }
17 |             
18 |             var inputCharacters = Array(self.characters)
19 |             var result: [String] = []
20 |             perm(n: inputCharacters.count, a: &inputCharacters, result: &result)
21 |             
22 |             return result
23 |         }
24 | 
25 |     }
26 | }
27 | 
28 | 
29 | func nextLargestInt(input: Int) -> Int {
30 |     
31 |     // 1. Convert Input to a String
32 |     // 2. Use String's permutation extension to get all permutations
33 |     // 3. Remove Duplicates by converting to Set and back to Array
34 |     // 4. Cast all String's to Int's
35 |     // 5. Sort
36 |     let permutations = Array(Set(String(input).permutations))
37 |         .flatMap{Int($0)}
38 |         .sorted()
39 |     
40 |     // Force unwrap because input is always in permutations
41 |     let indexOfInput = permutations.index(of: input)!
42 |     
43 |     // If the input is already the largest possible permutation, return input
44 |     if indexOfInput == permutations.count - 1 {
45 |         return input
46 |     } else {
47 |         return permutations[indexOfInput + 1]
48 |     }
49 | }
50 | 
51 | 
52 | let challangeInput = [1234, 1243, 234765, 19000]
53 | 
54 | print(challangeInput.map(nextLargestInt))
55 | 


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/364-easy/364-easy.playground/Contents.swift:
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 1 | //: A UIKit based Playground for presenting user interface
 2 |   
 3 | import UIKit
 4 | import PlaygroundSupport
 5 | 
 6 | class MyViewController : UIViewController {
 7 |     override func loadView() {
 8 |         let view = UIView()
 9 |         view.backgroundColor = .white
10 | 
11 |         let margins = view.safeAreaLayoutGuide
12 |         
13 |         let label = UILabel()
14 |         label.frame = CGRect(x: 0, y: 200, width: 200, height: 20)
15 |         label.text = "Vrienden"
16 |         label.textColor = .darkGray
17 |         label.font = UIFont.systemFont(ofSize: 24, weight: .bold)
18 |         
19 |         
20 |         view.addSubview(label)
21 | 
22 |         label.topAnchor.constraint(equalTo: margins.topAnchor, constant: 8).isActive = true
23 |         label.leadingAnchor.constraint(equalTo: margins.leadingAnchor, constant: 8).isActive = true
24 | 
25 |         self.view = view
26 |     }
27 |     
28 |     override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
29 |         for touch in touches {
30 |             let cv = circleView(location: touch.location(in: self.view), radius: 25)
31 |             view.addSubview(cv)
32 |         }
33 |     }
34 |     
35 |     override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
36 |         for touch in touches {
37 |             print(touch.force)
38 |             let cv = circleView(location: touch.location(in: self.view), radius: 25)
39 |             view.addSubview(cv)
40 |         }
41 |     }
42 |     
43 |     private func circleView(location: CGPoint, radius r: CGFloat) -> UIView {
44 |         let backgroundColors = [#colorLiteral(red: 0.5725490451, green: 0, blue: 0.2313725501, alpha: 1), #colorLiteral(red: 0.3411764801, green: 0.6235294342, blue: 0.1686274558, alpha: 1), #colorLiteral(red: 0.5568627715, green: 0.3529411852, blue: 0.9686274529, alpha: 1)]
45 |         let view = UIView(frame: CGRect(x: location.x - r, y: location.y - r, width: r*2, height: r*2))
46 |         view.backgroundColor = backgroundColors.randomElement()
47 |         view.layer.cornerRadius = r
48 |         return view
49 |     }
50 | }
51 | // Present the view controller in the Live View window
52 | PlaygroundPage.current.liveView = MyViewController()
53 | 


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