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✨feat: Add 460、474、494、518、523、525、879 ...
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‎Index/DFS.md

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| [301. 删除无效的括号](https://leetcode-cn.com/problems/remove-invalid-parentheses/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/remove-invalid-parentheses/solution/yi-fen-zhong-nei-kan-dong-jiang-gua-hao-aya6k/) | 困难 | 🤩🤩🤩🤩 |
99
| [341. 扁平化嵌套列表迭代器](https://leetcode-cn.com/problems/flatten-nested-list-iterator/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/flatten-nested-list-iterator/solution/yi-ti-shuang-jie-dfsdui-lie-di-gui-zhan-kvwhy/) | 中等 | 🤩🤩🤩 |
1010
| [403. 青蛙过河](https://leetcode-cn.com/problems/frog-jump/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/frog-jump/solution/gong-shui-san-xie-yi-ti-duo-jie-jiang-di-74fw/) | 困难 | 🤩🤩🤩🤩 |
11+
| [494. 目标和](https://leetcode-cn.com/problems/target-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/target-sum/solution/gong-shui-san-xie-yi-ti-si-jie-dfs-ji-yi-et5b/) | 中等 | 🤩🤩🤩🤩 |
1112
| [690. 员工的重要性](https://leetcode-cn.com/problems/employee-importance/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/employee-importance/solution/gong-shui-san-xie-yi-ti-shuang-jie-di-gu-s79x/) | 简单 | 🤩🤩🤩 |
1213
| [778. 水位上升的泳池中游泳](https://leetcode-cn.com/problems/swim-in-rising-water/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/swim-in-rising-water/solution/gong-shui-san-xie-yi-ti-shuang-jie-krusk-7c6o/) | 困难 | 🤩🤩🤩 |
1314
| [783. 二叉搜索树节点最小距离](https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes/solution/gong-shui-san-xie-yi-ti-san-jie-shu-de-s-7r17/) | 简单 | 🤩🤩🤩 |

‎Index/前缀和.md

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| [304. 二维区域和检索 - 矩阵不可变](https://leetcode-cn.com/problems/range-sum-query-2d-immutable/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/range-sum-query-2d-immutable/solution/xia-ci-ru-he-zai-30-miao-nei-zuo-chu-lai-ptlo/) | 中等 | 🤩🤩🤩🤩🤩 |
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| [303. 区域和检索 - 数组不可变](https://leetcode-cn.com/problems/range-sum-query-immutable/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/range-sum-query-immutable/solution/sha-shi-qian-zhui-he-ya-tu-jie-qian-zhui-0rla/) | 简单 | 🤩🤩🤩🤩🤩 |
55
| [363. 矩形区域不超过 K 的最大数值和](https://leetcode-cn.com/problems/max-sum-of-rectangle-no-larger-than-k/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/max-sum-of-rectangle-no-larger-than-k/solution/gong-shui-san-xie-you-hua-mei-ju-de-ji-b-dh8s/) | 困难 | 🤩🤩🤩 |
6+
| [523. 连续的子数组和](https://leetcode-cn.com/problems/continuous-subarray-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/continuous-subarray-sum/solution/gong-shui-san-xie-tuo-zhan-wei-qiu-fang-1juse/) | 中等 | 🤩🤩🤩🤩 |
7+
| [525. 连续数组](https://leetcode-cn.com/problems/contiguous-array/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/contiguous-array/solution/gong-shui-san-xie-qian-zhui-he-ha-xi-bia-q400/) | 中等 | 🤩🤩🤩🤩 |
68
| [724. 寻找数组的中心下标](https://leetcode-cn.com/problems/find-pivot-index/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/find-pivot-index/solution/shi-yong-shao-bing-ji-qiao-liang-bian-qi-vkju/) | 简单 | 🤩🤩🤩🤩🤩 |
79
| [1004. 最大连续1的个数 III](https://leetcode-cn.com/problems/max-consecutive-ones-iii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/max-consecutive-ones-iii/solution/san-chong-jie-fa-cong-dong-tai-gui-hua-d-gxks/) | 中等 | 🤩🤩🤩 |
810
| [1074. 元素和为目标值的子矩阵数量](https://leetcode-cn.com/problems/number-of-submatrices-that-sum-to-target/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/number-of-submatrices-that-sum-to-target/solution/gong-shui-san-xie-you-hua-mei-ju-de-ji-b-uttw/) | 困难 | 🤩🤩🤩 |

‎Index/哈希表.md

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| [36. 有效的数独](https://leetcode-cn.com/problems/valid-sudoku/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/valid-sudoku/solution/ha-xi-biao-jie-fa-shu-zu-jie-fa-by-ac_oi-feac/) | 中等 | 🤩🤩🤩🤩 |
99
| [137. 只出现一次的数字 II](https://leetcode-cn.com/problems/single-number-ii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/single-number-ii/solution/gong-shui-san-xie-yi-ti-san-jie-ha-xi-bi-fku8/) | 中等 | 🤩🤩🤩 |
1010
| [146. LRU 缓存机制](https://leetcode-cn.com/problems/lru-cache/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/lru-cache/solution/gong-shui-san-xie-she-ji-shu-ju-jie-gou-68hv2/) | 中等 | 🤩🤩🤩🤩🤩 |
11+
| [460. LFU 缓存](https://leetcode-cn.com/problems/lfu-cache/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/lfu-cache/solution/gong-shui-san-xie-yun-yong-tong-pai-xu-s-53m3/) | 困难 | 🤩🤩🤩🤩🤩 |
1112
| [554. 砖墙](https://leetcode-cn.com/problems/brick-wall/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/brick-wall/solution/gong-shui-san-xie-zheng-nan-ze-fan-shi-y-gsri/) | 中等 | 🤩🤩🤩 |
1213
| [692. 前K个高频单词](https://leetcode-cn.com/problems/top-k-frequent-words/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/top-k-frequent-words/solution/gong-shui-san-xie-xiang-jie-shi-yong-ha-8dxt2/) | 中等 | 🤩🤩🤩 |
1314
| [697. 数组的度](https://leetcode-cn.com/problems/degree-of-an-array/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/degree-of-an-array/solution/shu-zu-ji-shu-ha-xi-biao-ji-shu-jie-fa-y-a0mg/) | 简单 | 🤩🤩🤩 |

‎Index/图论 BFS.md

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| 题目 | 题解 | 难度 | 推荐指数 |
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| ------------------------------------------------------------ | ------------------------------------------------------------ | ---- | -------- |
3+
| [403. 青蛙过河](https://leetcode-cn.com/problems/frog-jump/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/frog-jump/solution/gong-shui-san-xie-yi-ti-duo-jie-jiang-di-74fw/) | 困难 | 🤩🤩🤩🤩 |
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‎Index/图论 DFS.md

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| 题目 | 题解 | 难度 | 推荐指数 |
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| ------------------------------------------------------------ | ------------------------------------------------------------ | ---- | -------- |
3+
| [403. 青蛙过河](https://leetcode-cn.com/problems/frog-jump/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/frog-jump/solution/gong-shui-san-xie-yi-ti-duo-jie-jiang-di-74fw/) | 困难 | 🤩🤩🤩🤩 |
4+
| [778. 水位上升的泳池中游泳](https://leetcode-cn.com/problems/swim-in-rising-water/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/swim-in-rising-water/solution/gong-shui-san-xie-yi-ti-shuang-jie-krusk-7c6o/) | 困难 | 🤩🤩🤩 |
5+
| [1723. 完成所有工作的最短时间](https://leetcode-cn.com/problems/find-minimum-time-to-finish-all-jobs/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/find-minimum-time-to-finish-all-jobs/solution/gong-shui-san-xie-yi-ti-shuang-jie-jian-4epdd/) | 困难 | 🤩🤩🤩 |
6+
| [1766. 互质树](https://leetcode-cn.com/problems/tree-of-coprimes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/tree-of-coprimes/solution/bu-tai-yi-yang-de-dfs-ji-lu-suo-you-zui-d3xeu/) | 困难 | 🤩🤩🤩🤩 |
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‎Index/数学.md

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| [263. 丑数](https://leetcode-cn.com/problems/ugly-number/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/ugly-number/solution/gong-shui-san-xie-jian-dan-de-fen-qing-k-dlvg/) | 简单 | 🤩🤩 |
1313
| [342. 4的幂](https://leetcode-cn.com/problems/power-of-four/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/power-of-four/solution/gong-shui-san-xie-zhuan-hua-wei-2-de-mi-y21lq/) | 简单 | 🤩🤩🤩 |
1414
| [477. 汉明距离总和](https://leetcode-cn.com/problems/total-hamming-distance/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/total-hamming-distance/solution/gong-shui-san-xie-ying-yong-cheng-fa-yua-g21t/) | 简单 | 🤩🤩🤩 |
15+
| [523. 连续的子数组和](https://leetcode-cn.com/problems/continuous-subarray-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/continuous-subarray-sum/solution/gong-shui-san-xie-tuo-zhan-wei-qiu-fang-1juse/) | 中等 | 🤩🤩🤩🤩 |
1516
| [633. 平方数之和](https://leetcode-cn.com/problems/sum-of-square-numbers/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/sum-of-square-numbers/solution/gong-shui-san-xie-yi-ti-san-jie-mei-ju-s-7qi5/) | 简单 | 🤩🤩 |
1617
| [810. 黑板异或游戏](https://leetcode-cn.com/problems/chalkboard-xor-game/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/chalkboard-xor-game/solution/gong-shui-san-xie-noxiang-xin-ke-xue-xi-ges7k/) | 困难 | 🤩🤩🤩🤩 |
18+
| [879. 盈利计划](https://leetcode-cn.com/problems/profitable-schemes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/profitable-schemes/solution/gong-shui-san-xie-te-shu-duo-wei-fei-yon-7su9/) | 困难 | 🤩🤩🤩🤩🤩 |
1719
| [1006. 笨阶乘](https://leetcode-cn.com/problems/clumsy-factorial/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/clumsy-factorial/solution/gong-shui-san-xie-tong-yong-biao-da-shi-nngfp/) | 中等 | 🤩🤩🤩 |
1820
| [1310. 子数组异或查询](https://leetcode-cn.com/problems/xor-queries-of-a-subarray/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/xor-queries-of-a-subarray/solution/gong-shui-san-xie-yi-ti-shuang-jie-shu-z-rcgu/) | 中等 | 🤩🤩🤩🤩 |
1921
| [1442. 形成两个异或相等数组的三元组数目](https://leetcode-cn.com/problems/count-triplets-that-can-form-two-arrays-of-equal-xor/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/count-triplets-that-can-form-two-arrays-of-equal-xor/solution/gong-shui-san-xie-xiang-jie-shi-yong-qia-7gzm/) | 中等 | 🤩🤩🤩 |
22+
| [1049. 最后一块石头的重量 II](https://leetcode-cn.com/problems/last-stone-weight-ii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/last-stone-weight-ii/solution/gong-shui-san-xie-xiang-jie-wei-he-neng-jgxik/) | 中等 | 🤩🤩🤩🤩 |
2023
| [1486. 数组异或操作](https://leetcode-cn.com/problems/xor-operation-in-an-array/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/xor-operation-in-an-array/solution/gong-shui-san-xie-yi-ti-shuang-jie-mo-ni-dggg/) | 简单 | 🤩🤩🤩 |
2124
| [1720. 解码异或后的数组](https://leetcode-cn.com/problems/decode-xored-array/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/decode-xored-array/solution/gong-shui-san-xie-li-yong-yi-huo-xing-zh-p1bi/) | 简单 | 🤩🤩🤩 |
2225
| [1734. 解码异或后的排列](https://leetcode-cn.com/problems/decode-xored-permutation/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/decode-xored-permutation/solution/gong-shui-san-xie-note-bie-pian-li-yong-zeh6o/) | 中等 | 🤩🤩🤩🤩 |

‎Index/树的搜索.md

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| [74. 搜索二维矩阵](https://leetcode-cn.com/problems/search-a-2d-matrix/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/search-a-2d-matrix/solution/gong-shui-san-xie-yi-ti-shuang-jie-er-fe-l0pq/) | 中等 | 🤩🤩🤩🤩 |
44
| [173. 二叉搜索树迭代器](https://leetcode-cn.com/problems/binary-search-tree-iterator/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/binary-search-tree-iterator/solution/xiang-jie-ru-he-dui-die-dai-ban-de-zhong-4rxj/) | 中等 | 🤩🤩🤩🤩 |
55
| [331. 验证二叉树的前序序列化](https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree/solution/xiang-xin-ke-xue-xi-lie-xiang-jie-zhi-gu-e3y9/) | 中等 | 🤩🤩🤩 |
6+
| [778. 水位上升的泳池中游泳](https://leetcode-cn.com/problems/swim-in-rising-water/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/swim-in-rising-water/solution/gong-shui-san-xie-yi-ti-shuang-jie-krusk-7c6o/) | 困难 | 🤩🤩🤩 |
67
| [783. 二叉搜索树节点最小距离](https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes/solution/gong-shui-san-xie-yi-ti-san-jie-shu-de-s-7r17/) | 简单 | 🤩🤩🤩 |
78
| [872. 叶子相似的树](https://leetcode-cn.com/problems/leaf-similar-trees/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/leaf-similar-trees/solution/gong-shui-san-xie-yi-ti-shuang-jie-di-gu-udfc/) | 简单 | 🤩🤩🤩 |
89
| [897. 递增顺序搜索树](https://leetcode-cn.com/problems/increasing-order-search-tree/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/increasing-order-search-tree/solution/gong-shui-san-xie-yi-ti-shuang-jie-di-gu-yc8l/) | 简单 | 🤩🤩🤩🤩 |

‎Index/背包 DP.md

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| 题目 | 题解 | 难度 | |
22
| ------------------------------------------------------------ | ------------------------------------------------------------ | ---- | ----- |
3+
| [322. 零钱兑换](https://leetcode-cn.com/problems/coin-change/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/coin-change/solution/dong-tai-gui-hua-bei-bao-wen-ti-zhan-zai-3265/) | 中等 | 🤩🤩🤩🤩 |
34
| [416. 分割等和子集](https://leetcode-cn.com/problems/partition-equal-subset-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/partition-equal-subset-sum/solution/gong-shui-san-xie-bei-bao-wen-ti-xia-con-mr8a/) | 中等 | 🤩🤩🤩🤩🤩 |
5+
| [474. 一和零](https://leetcode-cn.com/problems/ones-and-zeroes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/ones-and-zeroes/solution/gong-shui-san-xie-xiang-jie-ru-he-zhuan-174wv/) | 中等 | 🤩🤩🤩🤩🤩 |
6+
| [494. 目标和](https://leetcode-cn.com/problems/target-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/target-sum/solution/gong-shui-san-xie-yi-ti-si-jie-dfs-ji-yi-et5b/) | 中等 | 🤩🤩🤩🤩 |
7+
| [518. 零钱兑换 II](https://leetcode-cn.com/problems/coin-change-2/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/coin-change-2/solution/gong-shui-san-xie-xiang-jie-wan-quan-bei-6hxv/) | 中等 | 🤩🤩🤩🤩 |
8+
| [879. 盈利计划](https://leetcode-cn.com/problems/profitable-schemes/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/profitable-schemes/solution/gong-shui-san-xie-te-shu-duo-wei-fei-yon-7su9/) | 困难 | 🤩🤩🤩🤩🤩 |
9+
| [1049. 最后一块石头的重量 II](https://leetcode-cn.com/problems/last-stone-weight-ii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/last-stone-weight-ii/solution/gong-shui-san-xie-xiang-jie-wei-he-neng-jgxik/) | 中等 | 🤩🤩🤩🤩 |
410

‎Index/记忆化搜索.md

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| ------------------------------------------------------------ | ------------------------------------------------------------ | ---- | -------- |
33
| [87. 扰乱字符串](https://leetcode-cn.com/problems/scramble-string/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/scramble-string/solution/gong-shui-san-xie-yi-ti-san-jie-di-gui-j-hybk/) | 困难 | 🤩🤩🤩 |
44
| [403. 青蛙过河](https://leetcode-cn.com/problems/frog-jump/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/frog-jump/solution/gong-shui-san-xie-yi-ti-duo-jie-jiang-di-74fw/) | 困难 | 🤩🤩🤩🤩 |
5+
| [494. 目标和](https://leetcode-cn.com/problems/target-sum/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/target-sum/solution/gong-shui-san-xie-yi-ti-si-jie-dfs-ji-yi-et5b/) | 中等 | 🤩🤩🤩🤩 |
56

‎Index/链表.md

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1010
| [83. 删除排序链表中的重复元素](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/solution/tong-yong-shan-chu-zhong-fu-jie-dian-lia-101c/) | 简单 | 🤩🤩🤩🤩🤩 |
1111
| [82. 删除排序链表中的重复元素 II](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/solution/tong-yong-shan-chu-zhong-fu-jie-dian-lia-od9g/) | 简单 | 🤩🤩🤩🤩🤩 |
1212
| [92. 反转链表 II](https://leetcode-cn.com/problems/reverse-linked-list-ii/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/reverse-linked-list-ii/solution/yi-ge-neng-ying-yong-suo-you-lian-biao-t-vjx6/) | 中等 | 🤩🤩🤩 |
13+
| [160. 相交链表](https://leetcode-cn.com/problems/intersection-of-two-linked-lists/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/intersection-of-two-linked-lists/solution/gong-shui-san-xie-zhao-liang-tiao-lian-b-h3bd/) | 简单 | 🤩🤩🤩🤩🤩 |
1314
| [146. LRU 缓存机制](https://leetcode-cn.com/problems/lru-cache/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/lru-cache/solution/gong-shui-san-xie-she-ji-shu-ju-jie-gou-68hv2/) | 中等 | 🤩🤩🤩🤩🤩 |
15+
| [203. 移除链表元素](https://leetcode-cn.com/problems/remove-linked-list-elements/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/remove-linked-list-elements/solution/gong-shui-san-xie-yi-chu-lian-biao-yuan-ca6fu/) | 简单 | 🤩🤩🤩 |
16+
| [460. LFU 缓存](https://leetcode-cn.com/problems/lfu-cache/) | [LeetCode 题解链接](https://leetcode-cn.com/problems/lfu-cache/solution/gong-shui-san-xie-yun-yong-tong-pai-xu-s-53m3/) | 困难 | 🤩🤩🤩🤩🤩 |
1417

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