# lettcodeExercise

**Repository Path**: findagirl/lettcodeExercise

## Basic Information

- **Project Name**: lettcodeExercise
- **Description**: 求职面试，算法刷题，python3, 参照《技术面试必备基础知识 CyC2018》,使用Python3完成其中leetcode部分。
- **Primary Language**: Python
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-01-26
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

### 这个 lettcode Exercise Code 的一些内容:
#### 基础篇
* [***先验内容lec0***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec0/)
* [***双指针lec1***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec1/)
  * [有序数组的 Two Sum]
    * [167. Two Sum II - Input array is sorted](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/1_1.py):------[题目链接](https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted/)
  * [两数平方和]
    * [633. Sum of Square Numbers](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/633.py):------[题目链接]()
  * [反转字符串中的元音字符]
    * [345. Reverse Vowels of a String](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/345.py):------[题目链接]()
  * [回文字符串]
    * [680. Valid Palindrome II](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/680.py):------[题目链接]():------[题目链接]()
  * [归并两个有序数组]
    * [88. Merge Sorted Array](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/88.py):------[题目链接]()
  * [判断链表是否存在环]
    * [141. Linked List Cycle](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/141.py):------[题目链接]()
  * [最长子序列]
    * [524. Longest Word in Dictionary through Deleting](https://github.com/JeriYang/lettcodeExercise/blob/master/lec1/524.py):------[题目链接]()
* [***排序lec2***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec2/)
  * [排版]
    * [排版练习题_叠筐]

* [***贪心思想lec3***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec3/)
  * [栈的应用]
    * [练习题_简单计算器]

* [***二分查找lec4***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec4/)
  * [%运算符]

* [***分治lec5***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec5/)
  * [排版]
    * [排版练习题_叠筐]

* [***搜索lec6***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec6/)
  * [栈的应用]
    * [练习题_简单计算器]

* [***动态规划lec7***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec7/)
  * [斐波那契数列]
  * [矩阵路径]
  * [数组区间]
  * [分割整数]
  * [最长递增子序列]
    * [300. 最长递增子序列](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/300.py):------[题目链接](https://leetcode-cn.com/problems/longest-increasing-subsequence/)
    * [646. 最长数对链](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/646.py):------[题目链接](https://leetcode-cn.com/problems/maximum-length-of-pair-chain/)
    * [376. 摆动序列](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/376.py):------[题目链接](https://leetcode-cn.com/problems/wiggle-subsequence/solution/python3-tan-xin-si-xiang-jie-he-x_yzhou-tu-qiu-jie/)
  * [0-1背包]
    + 划分数组为和相等的两部分
      - [416. Partition Equal Subset Sum](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/416.py):------[题目链接](https://leetcode-cn.com/problems/partition-equal-subset-sum/)
    + 改变一组数的正负号使得它们的和为一给定数
      - [494. Target Sum](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/494.py):------[题目链接](https://leetcode-cn.com/problems/target-sum/)
    + 01 字符构成最多的字符串
      - [474. Ones and Zeroes](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/474.py):------[题目链接](https://leetcode-cn.com/problems/ones-and-zeroes/)
    + 找零钱的最少硬币数
      - [322. Coin Change](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/322.py):------[题目链接](https://leetcode-cn.com/problems/coin-change/)
    + 找零钱的硬币数组合
      - [518. Coin Change 2](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/518.py):------[题目链接](https://leetcode-cn.com/problems/coin-change-2/)
    + 字符串按单词列表分割
      - [139. Word Break](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/139.py):------[题目链接](https://leetcode-cn.com/problems/word-break/)
    + 组合总和
      - [377. Combination Sum IV](https://github.com/JeriYang/lettcodeExercise/blob/master/lec7/377.py):------[题目链接](https://leetcode-cn.com/problems/combination-sum-iv/)
  * [股票交易]
    + 需要冷却期的股票交易
      - [309. Best Time to Buy and Sell Stock with Cooldown]():------[题目链接]()
    + 需要交易费用的股票交易
      - [714. Best Time to Buy and Sell Stock with Transaction Fee]():------[题目链接]()
    + 只能进行两次的股票交易
      - [123. Best Time to Buy and Sell Stock III]():------[题目链接]()
    + 只能进行 k 次的股票交易
      - [188. Best Time to Buy and Sell Stock IV]():------[题目链接]()
  * [字符串编辑]
    + 删除两个字符串的字符使它们相等
      - [583. Delete Operation for Two Strings]():------[题目链接]()
    + 编辑距离
      - [72. Edit Distance]():------[题目链接]()
    + 复制粘贴字符
      - [650. 2 Keys Keyboard]():------[题目链接]()

* [***数学lec8***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec8/)
  * [教材pdf]
* [***链表lec9***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec9/)
  * [排版]
    * [排版练习题_叠筐]

* [***树lec10***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec10/)
  * [栈的应用]
    * [练习题_简单计算器]

* [***栈和队列lec11***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec11/)
  * [%运算符]

* [***哈希表lec12***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec12/)
  * [排版]
    * [排版练习题_叠筐]

* [***字符串lec13***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec13/)
  * [栈的应用]
    * [练习题_简单计算器]

* [***数组与矩阵lec14***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec14/)
  * [%运算符]

* [***图lec15***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec15/)
  * [栈的应用]
    * [练习题_简单计算器]

* [***位运算lec16***](https://github.com/JeriYang/lettcodeExercise/tree/master/lec16/)
  * [%运算符]