Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly
Appearance settings

tiny1990/leetcode

BranchesTags
Open more actions menu

Repository files navigation

写在最前面

$ 毕业到现在，很遗憾没怎么经历过算法的笔试面试,总感觉是一个缺陷
$ 2019年618之后休了7天假期,开启了做题之旅
$ 做了100+题发现，代码质量有所提升
$ 也理解了像头条类公司，很注重算法功底
$ 现在开始，分Tag笔记做过的题

2020 年补齐解题思路 & 图解
尝试一门新语言实现

字符串(5/138)

编号 Leetcode 题解
5 https://leetcode-cn.com/problems/longest-palindromic-substring/ 最长回文子串
28 https://leetcode-cn.com/problems/implement-strstr 实现 strStr()
125 https://leetcode-cn.com/problems/longest-palindromic-substring/ 验证回文串
409 https://leetcode-cn.com/problems/longest-palindrome/ 最长回文串
516 https://leetcode-cn.com/problems/longest-palindromic-subsequence/ 最长回文子序列

二分查找

编号 Leetcode 题解
29 https://leetcode-cn.com/problems/divide-two-integers/ 两数相除
33 https://leetcode-cn.com/problems/search-in-rotated-sorted-array/ 搜索旋转排序数组
50 https://leetcode-cn.com/problems/powx-n/ Pow(x, n)
69 https://leetcode-cn.com/problems/sqrtx x 的平方根
74 https://leetcode-cn.com/problems/search-a-2d-matrix/ 搜索二维矩阵
153 https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array/ 寻找旋转排序数组中的最小值
162 https://leetcode-cn.com/problems/find-peak-element/ 寻找峰值
240 https://leetcode-cn.com/problems/search-a-2d-matrix-ii/ 搜索二维矩阵 II
278 https://leetcode-cn.com/problems/first-bad-version/ 第一个错误的版本
704 https://leetcode-cn.com/problems/binary-search/ 二分查找
852 https://leetcode-cn.com/problems/peak-index-in-a-mountain-array/ 山脉数组的峰顶索引

二叉树 && 分治法

编号 Leetcode 题解
94 https://leetcode-cn.com/problems/binary-tree-inorder-traversal/ 二叉树的中序遍历
98 https://leetcode-cn.com/problems/validate-binary-search-tree/ 验证二叉搜索树
104 https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/ 二叉树的最大深度
110 https://leetcode-cn.com/problems/balanced-binary-tree/ 平衡二叉树
114 https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list/ 二叉树展开为链表
144 https://leetcode-cn.com/problems/binary-tree-preorder-traversal/ 二叉树的前序遍历
145 https://leetcode-cn.com/problems/binary-tree-postorder-traversal/ 二叉树的后序遍历
230 https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst/ 二叉搜索树中第K小的元素
236 https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/ 二叉树的最近公共祖先
257 https://leetcode-cn.com/problems/binary-tree-paths/ 二叉树的所有路径
270 https://leetcode-cn.com/problems/closest-binary-search-tree-value/ 最接近的二叉搜索树值
701 https://leetcode-cn.com/problems/insert-into-a-binary-search-tree/ 二叉搜索树中的插入操作

BFS

编号 Leetcode 题解
102 https://leetcode-cn.com/problems/binary-tree-level-order-traversal/ 二叉树的层次遍历
103 https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/ 二叉树的锯齿形层次遍历
107 https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii/ 二叉树的层次遍历 II
133 https://leetcode-cn.com/problems/clone-graph/ 克隆图
200 https://leetcode-cn.com/problems/number-of-islands/ 岛屿数量
297 https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree/ 二叉树的序列化与反序列化

DFS

编号 Leetcode 题解
39 https://leetcode-cn.com/problems/combination-sum/ 组合总和
40 https://leetcode-cn.com/problems/combination-sum-ii/ 组合总和 II
46 https://leetcode-cn.com/problems/permutations/ 全排列
47 https://leetcode-cn.com/problems/permutations-ii/ 全排列 II
78 https://leetcode-cn.com/problems/subsets/ 子集

数组 & 链表

编号 Leetcode 题解
21 https://leetcode-cn.com/problems/merge-two-sorted-lists/ 合并两个有序链表
24 https://leetcode-cn.com/problems/swap-nodes-in-pairs/ 两两交换链表中的节点
61 https://leetcode-cn.com/problems/rotate-list/ 旋转链表
86 https://leetcode-cn.com/problems/partition-list/ 分隔链表
92 https://leetcode-cn.com/problems/reverse-linked-list-ii/ 反转链表 II
141 https://leetcode-cn.com/problems/linked-list-cycle/ 环形链表
142 https://leetcode-cn.com/problems/linked-list-cycle-ii/ 环形链表 II
143 https://leetcode-cn.com/problems/reorder-list/ 重排链表
148 https://leetcode-cn.com/problems/sort-list/ 排序链表
4 https://leetcode-cn.com/problems/median-of-two-sorted-arrays/ 寻找两个有序数组的中位数
53 https://leetcode-cn.com/problems/maximum-subarray/ 最大子序和
88 https://leetcode-cn.com/problems/merge-sorted-array/ 合并两个有序数组
349 https://leetcode-cn.com/problems/intersection-of-two-arrays/ 两个数组的交集

双指针

编号 Leetcode 题解
27 https://leetcode-cn.com/problems/remove-element/ 移除元素
42 https://leetcode-cn.com/problems/trapping-rain-water/ 接雨水
125 https://leetcode-cn.com/problems/valid-palindrome/ 验证回文串
1 https://leetcode-cn.com/problems/two-sum/ 两数之和
15 https://leetcode-cn.com/problems/3sum/ 三数之和
16 https://leetcode-cn.com/problems/3sum-closest/ 最接近的三数之和
167 https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/ 两数之和 II - 输入有序数组
170 https://leetcode-cn.com/problems/two-sum-iii-data-structure-design/ 两数之和 III - 数据结构设计
611 https://leetcode-cn.com/problems/valid-triangle-number/ 有效三角形的个数
75 https://leetcode-cn.com/problems/sort-colors/ 颜色分类
905 https://leetcode-cn.com/problems/sort-array-by-parity/ 按奇偶排序数组

Data Structure

编号 Leetcode 题解
128 https://leetcode-cn.com/problems/longest-consecutive-sequence/最长连续序列 最长连续序列
138 https://leetcode-cn.com/problems/copy-list-with-random-pointer/ 复制带随机指针的链表
146 https://leetcode-cn.com/problems/lru-cache/ LRU缓存机制
674 https://leetcode-cn.com/problems/longest-continuous-increasing-subsequence/ 最长连续递增序列
263 https://leetcode-cn.com/problems/ugly-number/ 丑数
973 https://leetcode-cn.com/problems/k-closest-points-to-origin/ 最接近原点的 K 个点

DP

编号 Leetcode 题解
45 https://leetcode-cn.com/problems/jump-game-ii/ 跳跃游戏 II
55 https://leetcode-cn.com/problems/jump-game/ 跳跃游戏
62 https://leetcode-cn.com/problems/unique-paths/ 不同路径
63 https://leetcode-cn.com/problems/unique-paths-ii/ 不同路径 II
64 https://leetcode-cn.com/problems/minimum-path-sum/ 最小路径和
70 https://leetcode-cn.com/problems/climbing-stairs/ 爬楼梯
120 https://leetcode-cn.com/problems/triangle/ 三角形最小路径和
300 https://leetcode-cn.com/problems/longest-increasing-subsequence/ 最长上升子序列

About

提升coding能力

Topics

leetcode coding-interviews

Resources

Readme
Activity

Stars

7 stars

Watchers

1 watching

Forks

2 forks
Report repository

Releases

No releases published

Packages

No packages published
Morty Proxy This is a proxified and sanitized view of the page, visit original site.