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LeetCode 51-100题小结

在这三个月当中,我们一起又攻克了LeetCode当中51-100题。在这50题当中,我们进一步接触到了搜索和动态规划这两种算法,对树结构有了较深入的了解。

和之前一样,我们对这50题做一下汇总小结。分别按照难度以及涉及的算法做一个汇总,帮助大家更好的学习。

难易划分

Easy

Problem 53 最大区间和

Link:https://leetcode.com/problems/maximum-subarray/

题解:https://xiaozhuanlan.com/topic/7520639481

Problem 58 最后一个单词长度

Link:https://leetcode.com/problems/length-of-last-word/

题解:https://xiaozhuanlan.com/topic/9437165082

Problem 66 自增

Link:Plus One - LeetCode

题解:https://xiaozhuanlan.com/topic/8942710635

Problem 67 二进制加法

Link:https://leetcode.com/problems/add-binary/

题解:https://xiaozhuanlan.com/topic/6098421735

Problem 69 计算平方根

Link:https://leetcode.com/problems/sqrtx/

题解:https://xiaozhuanlan.com/topic/3541620798

Problem 70 爬楼梯解法

Link:Climbing Stairs - LeetCode

题解:https://xiaozhuanlan.com/topic/8972435610

Problem 83 删除重复元素

Link:Remove Duplicates from Sorted List - LeetCode

题解:https://xiaozhuanlan.com/topic/8435912067

Problem 88 归并有序数组

Link:Merge Sorted Array - LeetCode

题解:https://xiaozhuanlan.com/topic/4901678325

Problem 100 判断树相等

Link:Same Tree

题解:https://xiaozhuanlan.com/topic/7036952814

Medium

Problem 54 蛇形矩阵

Link:https://leetcode.com/problems/spiral-matrix/

题解:https://xiaozhuanlan.com/topic/3895026174

Problem 55 jump游戏

Link:https://leetcode.com/problems/jump-game/

题解:https://xiaozhuanlan.com/topic/0529837146

Problem 56 合并区间

Link:https://leetcode.com/problems/merge-intervals/

题解:https://xiaozhuanlan.com/topic/6429017583

Problem 59 蛇形矩阵II

Link:Spiral Matrix II - LeetCode

题解:https://xiaozhuanlan.com/topic/3197654280

Problem 60 第K个排列

Link:https://leetcode.com/problems/permutation-sequence/

题解:https://xiaozhuanlan.com/topic/5837694201

Problem 61 链表移动

Link:https://leetcode.com/problems/rotate-list/

题解:https://xiaozhuanlan.com/topic/6180327594

Problem 62 不同的路径

Link:https://leetcode.com/problems/unique-paths/

题解:https://xiaozhuanlan.com/topic/3597204816

Problem 63 不重复的路径II

Link:Unique Paths II - LeetCode

题解:https://xiaozhuanlan.com/topic/8425317609

Problem 64 最小路径和

Link:https://leetcode.com/problems/minimum-path-sum/

题解:https://xiaozhuanlan.com/topic/1240693758

Problem 71 简化路径

Link:Simplify Path - LeetCode

题解:https://xiaozhuanlan.com/topic/6841032579

Problem 73 矩阵置为0

Link:Set Matrix Zeroes - LeetCode

题解:https://xiaozhuanlan.com/topic/6901582734

Problem 74 矩阵搜索

Link:Search a 2D Matrix - LeetCode

题解:https://xiaozhuanlan.com/topic/1546328907

Problem 75 颜色排序

Link:Sort Colors - LeetCode

题解:https://xiaozhuanlan.com/topic/1465327908

Problem 77 生成组合

Link:Combinations - LeetCode

题解:https://xiaozhuanlan.com/topic/1890764235

Problem 78 子集

Link:Subsets - LeetCode

题解:https://xiaozhuanlan.com/topic/6052941873

Problem 79 搜索单词

Link:Word Search - LeetCode

题解:https://xiaozhuanlan.com/topic/7345201869

Problem 80 有序数组去重II

Link:Remove Duplicates from Sorted Array II - LeetCode

题解:https://xiaozhuanlan.com/topic/8712950364

Problem 81 翻转数组查找II

Link:Search in Rotated Sorted Array II - LeetCode

题解:https://xiaozhuanlan.com/topic/8504627931

Problem 82 去除重复元素II

Link:Remove Duplicates from Sorted List II - LeetCode

题解:https://xiaozhuanlan.com/topic/8206953147

Problem 86 链表元素分组

Link:Partition List - LeetCode

题解:https://xiaozhuanlan.com/topic/5473201986

Problem 89 灰色代码

Link:Gray Code - LeetCode

题解:https://xiaozhuanlan.com/topic/4359768012

Problem 90 子集II

Link:Subsets II - LeetCode

题解:https://xiaozhuanlan.com/topic/2015674398

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