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LeetCode
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update README.md

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yuanguangxin 4 years ago
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.idea/workspace.xml
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50
README.md
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### 链表操作
q2,q206,
* [q2_两数相加](/src/链表操作/q2_两数相加)
* [q206_反转链表](/src/链表操作/q206_反转链表)
### 双指针遍历
q3,q11,q15,q16,q26,q42,q121,q209,
* [q3_无重复字符的最长子串](/src/双指针遍历/q3_无重复字符的最长子串)
* [q11_盛最多水的容器](/src/双指针遍历/q11_盛最多水的容器)
* [q15_三数之和](/src/双指针遍历/q15_三数之和)
* [q16_最接近的三数之和](/src/双指针遍历/q16_最接近的三数之和)
* [q26_删除排序数组中的重复项](/src/双指针遍历/q26_删除排序数组中的重复项)
* [q42_接雨水](/src/双指针遍历/q42_接雨水)
* [q121_买卖股票的最佳时机](/src/双指针遍历/q121_买卖股票的最佳时机)
* [q209_长度最小的子数组](/src/双指针遍历/q209_长度最小的子数组)
### 字符串操作
q6,q14,
* [q6_Z字形变换](/src/字符串操作/q6_Z字形变换)
* [q14_最长公共前缀](/src/字符串操作/q14_最长公共前缀)
### 数字操作
q7,q8,q9,q43,q172,
* [q7_整数反转](/src/数字操作/q7_整数反转)
* [q8_字符串转换整数](/src/数字操作/q8_字符串转换整数)
* [q9_回文数](/src/数字操作/q9_回文数)
* [q43_字符串相乘](/src/数字操作/q43_字符串相乘)
* [q172_阶乘后的零](/src/数字操作/q172_阶乘后的零)
### 数组操作
q54,
* [q54_螺旋矩阵](/src/数组操作/q54_螺旋矩阵)
### 栈操作
q20,
* [q20_有效的括号](/src/栈操作/q20_有效的括号)
### 递归
q21,q101,q236,
* [q21_合并两个有序链表](/src/递归/q21_合并两个有序链表)
* [q101_对称二叉树](/src/递归/q101_对称二叉树)
* [q236_二叉树的最近公共祖先](/src/递归/q236_二叉树的最近公共祖先)
### 分治法/二分法
q23,q33,
* [q23_合并K个排序链表](/src/分治法/q23_合并K个排序链表)
* [q33_搜索旋转排序数组](/src/分治法/q33_搜索旋转排序数组)
### 动态规划
q5,q53,q746,q1277,
* [q5_最长回文子串](/src/动态规划/q5_最长回文子串)
* [q53_最大子序和](/src/动态规划/q53_最大子序和)
* [q746_使用最小花费爬楼梯](/src/动态规划/q746_使用最小花费爬楼梯)
* [q1277_统计全为1的正方形子矩阵](/src/动态规划/q1277_统计全为1的正方形子矩阵)
### 回溯法
q10,q22,q46,
* [q10_正则表达式匹配](/src/回溯法/q10_正则表达式匹配)
* [q22_括号生成](/src/回溯法/q22_括号生成)
* [q46_全排列](/src/回溯法/q46_全排列)
### 树的遍历
q94,q110,q144,q145,
* [q94_二叉树的中序遍历](/src/树的遍历/q94_二叉树的中序遍历)
* [q110_平衡二叉树](/src/树的遍历/q110_平衡二叉树)
* [q144_二叉树的前序遍历](/src/树的遍历/q144_二叉树的前序遍历)
* [q145_二叉树的后序遍历](/src/树的遍历/q145_二叉树的后序遍历)
### 二叉搜索树相关
q98,q450,q701,
* [q98_验证二叉搜索树](/src/二叉搜索树相关/q98_验证二叉搜索树)
* [q450_删除二叉搜索树中的节点](/src/二叉搜索树相关/q450_删除二叉搜索树中的节点)
* [q701_二叉搜索树中的插入操作](/src/二叉搜索树相关/q701_二叉搜索树中的插入操作)
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src/动态规划/q53_最大子序和/q1/Solution.java → src/动态规划/q53_最大子序和/f1/Solution.java
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package 动态规划.q53_最大子序和.q1;
package 动态规划.q53_最大子序和.f1;
/**
* 贪心法 遍历一次 o(n)

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src/动态规划/q53_最大子序和/q2/Solution.java → src/动态规划/q53_最大子序和/f2/Solution.java
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package 动态规划.q53_最大子序和.q2;
package 动态规划.q53_最大子序和.f2;
/**
* 动态规划 dp[i]表示以nums[i]结尾的最大子序和 o(n)

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src/树的遍历/q110_平衡二叉树/q1/Solution.java → src/树的遍历/q110_平衡二叉树/f1/Solution.java
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package 树的遍历.q110_平衡二叉树.q1;
package 树的遍历.q110_平衡二叉树.f1;
/**
* 从顶至底遍历 o(n^2)

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src/树的遍历/q110_平衡二叉树/q2/TreeNode.java → src/树的遍历/q110_平衡二叉树/f1/TreeNode.java
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package 树的遍历.q110_平衡二叉树.q2;
package 树的遍历.q110_平衡二叉树.f1;
public class TreeNode {
int val;

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src/树的遍历/q110_平衡二叉树/q2/Solution.java → src/树的遍历/q110_平衡二叉树/f2/Solution.java
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package 树的遍历.q110_平衡二叉树.q2;
package 树的遍历.q110_平衡二叉树.f2;
/**
* 从底至顶遍历 o(n)

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src/树的遍历/q110_平衡二叉树/q1/TreeNode.java → src/树的遍历/q110_平衡二叉树/f2/TreeNode.java
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package 树的遍历.q110_平衡二叉树.q1;
package 树的遍历.q110_平衡二叉树.f2;
public class TreeNode {
int val;
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