├── LICENSE ├── README.md ├── array ├── LeetCode 第 240 题：“搜索二维矩阵 II”题解配图（起点：右上角）.pptx ├── LeetCode 第 240 题：“搜索二维矩阵 II”题解配图（起点：左下角）.pptx ├── LeetCode 第 283 题：“移动零”题解配图的副本.pptx ├── LeetCode 第 75 题：“颜色分类”题解配图.pptx ├── LeetCode 第 75 题：“颜色分类”题解配图 │ ├── 0075-1.png │ ├── 0075-10.png │ ├── 0075-11.png │ ├── 0075-12.png │ ├── 0075-13.png │ ├── 0075-14.png │ ├── 0075-2.png │ ├── 0075-3.png │ ├── 0075-4.png │ ├── 0075-5.png │ ├── 0075-6.png │ ├── 0075-7.png │ ├── 0075-8.png │ └── 0075-9.png ├── LeetCode 第 75 题：“颜色分类”题解配图的副本.pptx ├── LeetCode 第 88 题：“合并两个有序数组”题解配图（1-从前向后归并）.pptx ├── LeetCode 第 88 题：“合并两个有序数组”题解配图（2-从后向前归并）.pptx ├── 「力扣」第 8 题：字符串转换整数.pptx └── 「力扣」第 8 题：字符串转换整数 │ └── 「力扣」第 8 题：字符串转换整数.png ├── backtracking ├── LeetCode 第 51 题：“N 皇后”题解配图.pptx ├── LeetCode 第 1079 题：“活字印刷”题解配图.png ├── LeetCode 第 1079 题：“活字印刷”题解配图.pptx ├── LeetCode 第 200 题：“岛屿数量”题解配图（并查集）.pptx ├── LeetCode 第 200 题：“岛屿数量”题解配图（广度优先遍历）.pptx ├── LeetCode 第 200 题：“岛屿数量”题解配图（深度优先遍历）.pptx ├── LeetCode 第 22 题：“括号生出”题解配图.pptx ├── LeetCode 第 39 题：“组合总和”题解配图.pptx ├── LeetCode 第 40 题：“组合总和 II”题解配图.pptx ├── LeetCode 第 46 题：“全排列”题解配图.pptx ├── LeetCode 第 47 题：“全排列 II”题解配图.png ├── LeetCode 第 47 题：“全排列 II”题解配图.pptx ├── LeetCode 第 60 题：“第 k 个排列”题解配图-new.pptx ├── LeetCode 第 60 题：“第 k 个排列”题解配图.pptx ├── LeetCode 第 60 题：第 k 个排列.pptx ├── LeetCode 第 77 题：“组合”题解配图.pptx ├── LeetCode 第 78 题：“子集”题解配图（位掩码）.pptx ├── LeetCode 第 78 题：“子集”题解配图（递归回溯）.pptx ├── LeetCode 第 784 题：“字母大小写全排列”题解配图.pptx ├── LeetCode 第 79 题：“单词搜索”题解配图.pptx ├── 「力扣」第 46、47 题：全排列（回溯算法）题解.pptx ├── 「力扣」第 46、47 题：全排列（回溯算法）题解 │ ├── 「力扣」第 46、47 题：全排列（回溯算法）题解-1.png │ ├── 「力扣」第 46、47 题：全排列（回溯算法）题解-2.png │ ├── 「力扣」第 46、47 题：全排列（回溯算法）题解-3.png │ └── 「力扣」第 46、47 题：全排列（回溯算法）题解.png ├── 「力扣」第 78、90 题：子集（回溯算法）题解.pptx ├── 「力扣」第 78、90 题：子集（回溯算法）题解 │ ├── 「力扣」第 78 题：子集（回溯算法）题解-1.png │ ├── 「力扣」第 78 题：子集（回溯算法）题解-2.png │ ├── 「力扣」第 78 题：子集（回溯算法）题解-3.png │ ├── 「力扣」第 78 题：子集（回溯算法）题解-4.png │ ├── 「力扣」第 78 题：子集（回溯算法）题解.png │ ├── 「力扣」第 90 题：子集 II（回溯算法）题解-1.png │ ├── 「力扣」第 90 题：子集 II（回溯算法）题解-2.png │ └── 幻灯片8.png ├── 「力扣」第 93 题：复原 IP 地址.pptx └── 「力扣」第 93 题：复原 IP 地址 │ ├── 「力扣」第 93 题：复原 IP 地址-1.png │ └── 「力扣」第 93 题：复原 IP 地址.png ├── binary-search ├── LeetCode 第 287 题题解示意图：“寻找重复数 ”题解示意图.pptx ├── LeetCode 第 287 题：“寻找重复数”题解配图.pptx ├── LeetCode 第 35 题：“搜索插入位置”.png ├── LeetCode 第 35 题：“搜索插入位置”.pptx ├── LeetCode 第 4 题：“寻找两个有序数组的中位数”题解配图.pptx ├── LeetCode 第 611 题：“有效三角形的个数”题解配图.pptx └── LeetCode 第 658 题：“找到 K 个最接近的元素”题解配图.pptx ├── bit-manipulation ├── LeetCode 第 421 题题解示意图：“数组中两个数的最大异或值”题解示意图.pptx └── LeetCode 第 421 题：“数组中两个数的最大异或值”题解配图.pptx ├── breadth-first-search ├── LeetCode 第 207 题：“课程表”题解配图.pptx └── 「力扣」第 127 题：单词接龙.pptx ├── divide-and-conquer ├── LeetCode 第 315 题：“计算右侧小于当前元素的个数”题解配图.pptx ├── LeetCode 第 315 题：“计算右侧小于当前元素的个数”题解配图（归并排序）.pptx ├── LeetCode 第 315 题：“计算右侧小于当前元素的个数”题解配图（树状数组）.pptx └── LeetCode 第 315 题：“计算右侧小于当前元素的个数”题解配图（逆序数）.pptx ├── dynamic-programming ├── LeetCode 第 139 题：“单词拆分”题解配图.pptx ├── LeetCode 第 140 题：“单词拆分”题解配图.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解示意图-动态规划（旧）.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解示意图-贪心算法（旧）.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解配图（动态规划）-2.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解配图（动态规划）.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解配图（贪心算法）-2.pptx ├── LeetCode 第 300 题：“最长上升子序列”题解配图（贪心算法）.pptx ├── LeetCode 第 300 题：最长上升子序列.pptx ├── LeetCode 第 304 题：“ 二维区域和检索 - 矩阵不可变”题解配图.pptx ├── LeetCode 第 343题：“整数拆分”题解配图.pptx ├── LeetCode 第 377 题：“组合问题 IV”题解配图.pptx ├── LeetCode 第 416 题：“分割等和子集”题解配图.pptx └── （模板）LeetCode 第 53 题：“最大子序和”题解配图.pptx ├── greedy ├── LeetCode 第 945 题：“.使数组唯一的最小增量”题解配图.pptx └── LeetCode 第 452 题：“用最少数量的箭引爆气球”题解配图.pptx ├── hash-table ├── LeetCode 第 41 题：“缺失的第一个正数 ”题解示意图.pptx ├── LeetCode 第 41 题：“缺失的第一个正数”题解配图.pptx ├── 「力扣」第 41 题：缺失的第一个正数（哈希表）题解.pptx ├── 「力扣」第 41 题：缺失的第一个正数（哈希表）题解 │ ├── 0041-1.png │ ├── 0041-10.png │ ├── 0041-11.png │ ├── 0041-12.png │ ├── 0041-13.png │ ├── 0041-14.png │ ├── 0041-2.png │ ├── 0041-3.png │ ├── 0041-4.png │ ├── 0041-5.png │ ├── 0041-6.png │ ├── 0041-7.png │ ├── 0041-8.png │ └── 0041-9.png └── 「力扣」第 466 题.pptx ├── heap └── LeetCode 第 295 题：“数据流的中位数”题解配图.pptx ├── linked-list ├── LeetCode 图-单链表自底向上的归并排序示意图.pptx ├── LeetCode 第 142 题：“环形链表 II”题解配图.pptx ├── LeetCode 第 146 题：“LRU缓存”题解配图.pptx ├── LeetCode 第 148 题：“单链表”自底向上实现“归并排序”题解.pptx ├── LeetCode 第 148 题：“单链表”自底向上实现“归并排序”题解配图.png ├── LeetCode 第 148 题：“单链表”自底向上实现“归并排序”题解配图.pptx ├── LeetCode 第 148 题：“单链表”自底向上实现“归并排序”题解（第 2 版）.pptx ├── LeetCode 第 21 题：“合并两个有序链表”题解配图.pptx ├── LeetCode 第 23 题题解示意图.pptx ├── LeetCode 第 23 题：“合并 K 个排序链表”题解配图.pptx ├── LeetCode 第 23 题：“合并 K 个排序链表”题解配图（旧）.pptx ├── LeetCode 第 460 题：“LFU缓存”题解配图.pptx └── LeetCode 第 876 题：“链表的中间结点”题解配图.pptx ├── monotonous-stack ├── LeetCode 第 84 题：「柱状图中最大的矩形」题解配图.pptx ├── LeetCode 第 1081 题：“不同字符的最小子序列”题解示意图.pptx ├── LeetCode 第 1081 题：“不同字符的最小子序列”题解配图.pptx └── LeetCode 第 1081 题：“不同字符的最小子序列”题解配图的副本.pptx ├── queue ├── LeetCode 第 239 题：“滑动窗口的最大值”题解配图.pptx ├── LeetCode 第 622 题：“设计循环队列”题解配图.pptx └── LeetCode 第 641 题：“设计循环双端队列”题解配图的.pptx ├── sliding-window ├── 「力扣」第 220 题：存在重复元素 III.pptx └── 「力扣」第 220 题：存在重复元素 III │ └── 「力扣」第 220 题：存在重复元素 III.png ├── stack ├── LeetCode 第 232 题：“用栈实现队列”题解配图.pptx └── LeetCode 第 225 题：“用队列实现栈”题解配图.pptx ├── tree ├── LeetCode 第 105 题：“从前序与中序遍历序列构造二叉树”题解配图.pptx ├── LeetCode 第 106 题：“从中序与后序遍历序列构造二叉树”题解配图.pptx ├── LeetCode 第 1080 题：“根到叶路径上的不足节点”题解示意图.pptx └── LeetCode 第 1080 题：“根到叶路径上的不足节点”题解配图.pptx ├── two-pointers └── LeetCode 第 42 题：“接雨水”题解配图.pptx ├── union-find └── LeetCode 第 952 题：“按公因数计算最大组件大小”题解配图.pptx └── 模板 └── （模板）LeetCode 第 题：“”题解配图.pptx /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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-------------------------------------------------------------------------------- 1 | # LeetCode-Solution-PPT 2 | 3 | ## 刷题过程中在 LeetCode 中文版提交的题解和动画 4 | 5 | 6 | ### LeetCode 第 23 题：合并 K 个排序链表 7 | 8 | ![LeetCode 第 23 题：合并 K 个排序链表](https://liweiwei1419.github.io/images/leetcode-solution-new/0023/0023.gif) 9 | 10 | 题解地址：https://leetcode-cn.com/problems/merge-k-sorted-lists/solution/tan-xin-suan-fa-you-xian-dui-lie-fen-zhi-fa-python/。 11 | 12 | ### LeetCode 第 41 题：缺失的第一个正数 13 | 14 | ![LeetCode 第 41 题：缺失的第一个正数](https://liweiwei1419.github.io/images/leetcode-solution-new/0041/0041.gif) 15 | 16 | 题解地址：https://leetcode-cn.com/problems/first-missing-positive/solution/tong-pai-xu-python-dai-ma-by-liweiwei1419/。 17 | 18 | ### LeetCode 第 60 题：第 k 个排列 19 | 20 | ![LeetCode 第 60 题：第 k 个排列](https://liweiwei1419.github.io/images/leetcode-solution-new/0060/0060.gif) 21 | 22 | 题解地址：https://leetcode-cn.com/problems/permutation-sequence/solution/hui-su-jian-zhi-python-dai-ma-java-dai-ma-by-liwei/。 23 | 24 | ### LeetCode 第 148 题：单链表自底向上的“归并排序” 25 | 26 | ![LeetCode 第 148 题：单链表自底向上的“归并排序”](https://liweiwei1419.github.io/images/leetcode-solution-new/0148/0148.gif) 27 | 28 | 题解地址：https://leetcode-cn.com/problems/sort-list/solution/zi-di-xiang-shang-de-gui-bing-pai-xu-java-dai-ma-b/。 29 | 30 | ### LeetCode 第 287 题：寻找重复数 31 | 32 | ![LeetCode 第 287 题：寻找重复数](https://liweiwei1419.github.io/images/leetcode-solution-new/0287/0287.gif) 33 | 34 | 题解地址：https://leetcode-cn.com/problems/find-the-duplicate-number/solution/er-fen-fa-si-lu-ji-dai-ma-python-by-liweiwei1419/。 35 | 36 | ### LeetCode 第 300 题：最长上升子序列 37 | 38 | ![LeetCode 第 300 题：最长上升子序列-二分法](https://liweiwei1419.github.io/images/leetcode-solution-new/0300/0300-greed-binary-search.gif) 39 | 40 | ![LeetCode 第 300 题：最长上升子序列-动态规划](https://liweiwei1419.github.io/images/leetcode-solution-new/0300/0300-dp.gif) 41 | 42 | 题解地址：https://leetcode-cn.com/problems/longest-increasing-subsequence/solution/dong-tai-gui-hua-er-fen-cha-zhao-tan-xin-suan-fa-p/。 43 | 44 | ### LeetCode 第 315 题：计算右侧小于当前元素的个数 45 | 46 | ![归并排序](https://liweiwei1419.github.io/images/leetcode-solution-new/0315/merge-sort.gif) 47 | 48 | ![树状数组](https://liweiwei1419.github.io/images/leetcode-solution-new/0315/fenwick-tree.gif) 49 | 50 | 51 | ### LeetCode 第 421 题：数组中两个数的最大异或值 52 | 53 | ![LeetCode 第 421 题：数组中两个数的最大异或值](https://liweiwei1419.github.io/images/leetcode-solution-new/0421/0421.gif) 54 | 55 | 题解地址：https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array/solution/li-yong-yi-huo-yun-suan-de-xing-zhi-tan-xin-suan-f/。 56 | 57 | ### LeetCode 第 1079 题：活字印刷 58 | 59 | ![LeetCode 第 1079 题：活字印刷](https://liweiwei1419.github.io/images/leetcode-solution-new/1079/1079.gif) 60 | 61 | 题解地址：https://leetcode-cn.com/problems/letter-tile-possibilities/solution/hui-su-suan-fa-python-dai-ma-by-liweiwei1419/。 62 | 63 | ### LeetCode 第 1080 题：根到叶路径上的不足节点 64 | 65 | ![LeetCode 第 1080 题：根到叶路径上的不足节点](https://liweiwei1419.github.io/images/leetcode-solution-new/1080/1080.gif) 66 | 67 | 题解地址：https://leetcode-cn.com/problems/insufficient-nodes-in-root-to-leaf-paths/solution/hou-xu-bian-li-python-dai-ma-java-dai-ma-by-liweiw/。 68 | 69 | ### LeetCode 第 1081 题：不同字符的最小子序列 70 | 71 | ![LeetCode 第 1081 题：不同字符的最小子序列](https://liweiwei1419.github.io/images/leetcode-solution-new/1081/1081.gif) 72 | 73 | 题解地址：https://leetcode-cn.com/problems/smallest-subsequence-of-distinct-characters/solution/tan-xin-suan-fa-zhan-wei-yan-ma-python-dai-ma-java/。 74 | 75 | -------------------------------------------------------------------------------- /array/LeetCode 第 240 题：“搜索二维矩阵 II”题解配图（起点：右上角）.pptx: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/liweiwei1419/LeetCode-Solution-PPT/bb670e6d8385a02959017646970c782d948088aa/array/LeetCode 第 240 题：“搜索二维矩阵 II”题解配图（起点：右上角）.pptx -------------------------------------------------------------------------------- /array/LeetCode 第 240 题：“搜索二维矩阵 II”题解配图（起点：左下角）.pptx: 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