java数据结构与算法刷题目录（剑指Offer、LeetCode、ACM）-----主目录-----持续更新

本文相当于目录方便快速检索内容，没有实际内容，只做索引

:有此标记的题，表示为经典题，必须优先掌握。要保证看到的一瞬间，无需过脑就能知道如何操作（大概200道左右）。

一、算法相关

1. 双指针

LeetCode167：两数之和 II - 输入有序数组https://blog.csdn.net/grd_java/article/details/135189006

一、LeetCode

LeetCode1：两数之和https://blog.csdn.net/grd_java/article/details/123380577

LeetCode2：两数相加https://blog.csdn.net/grd_java/article/details/124421686

LeetCode3：无重复字符的最长子串https://blog.csdn.net/grd_java/article/details/124425165

LeetCode4：寻找两个正序数组的中位数https://blog.csdn.net/grd_java/article/details/124449745

LeetCode5：最长回文子串https://blog.csdn.net/grd_java/article/details/124666706

LeetCode6：Z 字形变换https://blog.csdn.net/grd_java/article/details/124668101

LeetCode7：整数反转https://blog.csdn.net/grd_java/article/details/124668948

LeetCode8：字符串转换整数 (atoi)https://blog.csdn.net/grd_java/article/details/125370327

LeetCode9：回文数 https://blog.csdn.net/grd_java/article/details/125370879

LeetCode10：正则表达式匹配 https://blog.csdn.net/grd_java/article/details/125472198

LeetCode11：盛最多水的容器 https://blog.csdn.net/grd_java/article/details/125472713

LeetCode13：罗马数字转整数 https://blog.csdn.net/grd_java/article/details/125487063

LeetCode14：最长公共前缀 https://blog.csdn.net/grd_java/article/details/125488765

LeetCode20：有效的括号 https://blog.csdn.net/grd_java/article/details/125488801

LeetCode26：删除有序数组中的重复项 https://blog.csdn.net/grd_java/article/details/125490478

LeetCode27：移除元素https://blog.csdn.net/grd_java/article/details/125491338

LeetCode28：实现 strStr()https://blog.csdn.net/grd_java/article/details/125491363

LeetCode35：搜索插入位置https://blog.csdn.net/grd_java/article/details/125499608

LeetCode53：最大子数组和https://blog.csdn.net/grd_java/article/details/125500916

LeetCode58：最后一个单词的长度https://blog.csdn.net/grd_java/article/details/125529993

LeetCode66：加一https://blog.csdn.net/grd_java/article/details/125501565

LeetCode67：二进制求和https://blog.csdn.net/grd_java/article/details/125503132

LeetCode69：x 的平方根https://blog.csdn.net/grd_java/article/details/125511772

LeetCode70：爬楼梯https://blog.csdn.net/grd_java/article/details/123336452

LeetCode83：删除排序链表中的重复元素https://blog.csdn.net/grd_java/article/details/123842027

LeetCode88：合并两个有序数组https://blog.csdn.net/grd_java/article/details/123381676

LeetCode94：二叉树的中序遍历https://blog.csdn.net/grd_java/article/details/124409026

LeetCode100：相同的树https://blog.csdn.net/grd_java/article/details/125526163

LeetCode101：对称二叉树https://blog.csdn.net/grd_java/article/details/125527273

LeetCode104：二叉树的最大深度https://blog.csdn.net/grd_java/article/details/125528247

LeetCode108：将有序数组转换为二叉搜索树https://blog.csdn.net/grd_java/article/details/125530336

LeetCode110：平衡二叉树https://blog.csdn.net/grd_java/article/details/125530702

LeetCode111：二叉树的最小深度https://blog.csdn.net/grd_java/article/details/125531251

LeetCode112：路径总和https://blog.csdn.net/grd_java/article/details/125533616

LeetCode118：杨辉三角https://blog.csdn.net/grd_java/article/details/125534471

LeetCode119：杨辉三角 IIhttps://blog.csdn.net/grd_java/article/details/125534694

LeetCode121：买卖股票的最佳时机https://blog.csdn.net/grd_java/article/details/125535740

LeetCode125：验证回文串https://blog.csdn.net/grd_java/article/details/125652190

LeetCode136：只出现一次的数字（位运算异或）https://blog.csdn.net/grd_java/article/details/125652074

LeetCode141：环形链表https://blog.csdn.net/grd_java/article/details/123842935

LeetCode142：环形链表IIhttps://blog.csdn.net/grd_java/article/details/123843736

LeetCode145：二叉树的后序遍历https://blog.csdn.net/grd_java/article/details/125672243

LeetCode160：相交链表https://blog.csdn.net/grd_java/article/details/123846514

LeetCode168：Excel表列名称https://blog.csdn.net/grd_java/article/details/125648566

LeetCode169：多数元素https://blog.csdn.net/grd_java/article/details/125672001

LeetCode171：Excel 表列序号https://blog.csdn.net/grd_java/article/details/125725548

LeetCode175：组合两个表https://blog.csdn.net/grd_java/article/details/125726134

LeetCode181：超过经理收入的员工https://blog.csdn.net/grd_java/article/details/125740609

LeetCode182：查找重复的电子邮箱https://blog.csdn.net/grd_java/article/details/125740712

LeetCode183：从不订购的客户https://blog.csdn.net/grd_java/article/details/125740832

LeetCode190：颠倒二进制位https://blog.csdn.net/grd_java/article/details/125741219

LeetCode191：位1的个数（重点，位运算分治典型题）https://blog.csdn.net/grd_java/article/details/125761334

LeetCode196：删除重复的电子邮箱https://blog.csdn.net/grd_java/article/details/125763902

LeetCode197：上升的温度https://blog.csdn.net/grd_java/article/details/125776316

LeetCode202：快乐数https://blog.csdn.net/grd_java/article/details/125780421

LeetCode203：移除链表元素https://blog.csdn.net/grd_java/article/details/125780949

LeetCode205：同构字符串https://blog.csdn.net/grd_java/article/details/125782797

LeetCode206：反转链表https://blog.csdn.net/grd_java/article/details/123850411

LeetCode217：存在重复元素https://blog.csdn.net/grd_java/article/details/125909196

LeetCode219：存在重复元素 IIhttps://blog.csdn.net/grd_java/article/details/125909236

LeetCode225：用队列实现栈https://blog.csdn.net/grd_java/article/details/125910269

LeetCode226：翻转二叉树https://blog.csdn.net/grd_java/article/details/125910020

LeetCode228：汇总区间https://blog.csdn.net/grd_java/article/details/125911074

LeetCode231：2 的幂（位运算，2的幂满足(n & -n) == n； (n & (n-1)) == 0；）https://blog.csdn.net/grd_java/article/details/125972618

LeetCode232：用栈实现队列https://blog.csdn.net/grd_java/article/details/124059318

LeetCode234：回文链表https://blog.csdn.net/grd_java/article/details/123994522

LeetCode235：二叉搜索树的最近公共祖先https://blog.csdn.net/grd_java/article/details/125972778

LeetCode283：移动零https://blog.csdn.net/grd_java/article/details/123398610

LeetCode303：区域和检索 - 数组不可变https://blog.csdn.net/grd_java/article/details/125457500

LeetCode304：二维区域和检索 - 矩阵不可变https://blog.csdn.net/grd_java/article/details/125460190

LeetCode394：字符串解码https://blog.csdn.net/grd_java/article/details/124398146

LeetCode448：找到所有数组中消失的数字https://blog.csdn.net/grd_java/article/details/123721616

LeetCode876：链表的中间结点https://blog.csdn.net/grd_java/article/details/124058409

LeetCode1094：拼车https://blog.csdn.net/grd_java/article/details/125462241

LeetCode1109：航班预订统计https://blog.csdn.net/grd_java/article/details/125460973

LeetCode1854：人口最多的年份https://blog.csdn.net/grd_java/article/details/125462716

LeetCode 面试题 16：10. 生存人数https://blog.csdn.net/grd_java/article/details/125455739

二、剑指 Offer

剑指 Offer 22. 链表中倒数第k个节点https://blog.csdn.net/grd_java/article/details/124059025

剑指 Offer 119：最长连续序列https://blog.csdn.net/grd_java/article/details/125294990

三、牛客网

1. 华为机试

HJ1 字符串最后一个单词的长度https://blog.csdn.net/grd_java/article/details/125295816

HJ2 计算某字符出现次数https://blog.csdn.net/grd_java/article/details/125295908

HJ3 明明的随机数https://blog.csdn.net/grd_java/article/details/125296576

HJ4 字符串分隔https://blog.csdn.net/grd_java/article/details/125297454

HJ5 进制转换https://blog.csdn.net/grd_java/article/details/125298267

HJ6 质数因子https://blog.csdn.net/grd_java/article/details/125298794