leetcode_answers_python

Codes and Answers of Leetcode Problems in Python

#	Method	Code Lang	Difficulty	Recommend
1	Two Sum 两数之和	python/cpp	Easy	0
3	Longest Substring Without Repeating Characters 无重复字符的最长子串	python	Medium
7	Reverse Integer 整数反转	python	Easy
8	String to integer 字符串转换整数（atoi）	python	Medium
13	Roman to Integer 罗马数字转整数	python	Easy	3
14	Longest common prefix 最长公共前缀	python	Easy
19	Remove Nth node from end of linkedlist 删除链表的倒数第n个节点	python	Medium	5
21	Merge two sorted lists 合并两个有序链表	python	Easy
23	Merge K sorted array 合并K个有序链表	python	Hard	5
28	Implement strstr 实现strStr()	python	Easy
38	Count and Say 报数	python	Easy	5
53	Maximum Subarray 最大子序和(DP、DC)	solution & python	Easy	5
88	Merge Sorted array 合并两个有序数组	python	Easy	2
98	Validate Binary Search Tree 验证有效的二叉搜索树	python	Medium	5
108	Convert sorted array to binary search tree 将有序数组转化为二叉搜索树	python	Easy	1
141	Linked list cycle 环形链表	python	Easy	1
206	Reverse linkedlist 反转链表	python	Easy	1
234	Palindrome linked list 回文链表	python	Easy	1
237	Delete a node in a Linkedlist 删除链表中的结点（题目本身很好，题意描述太不清晰）	python	Easy	0
278	First Bad Version 第一个错误的版本(二分搜索的变种)	python	Easy	3
326	Power of Three 3的幂	python	Easy	3
384	Shuffle an Array 打乱数组	python	Medium	3

Hamming Distance series 求汉明距离系列

#	Mehod	Code	Difficulty
191	Number of 1 bits 位1的个数	python	Easy
461	Hamming Distance 汉明距离	python	Easy
477	Total Hamming Distance 汉明距离总和	python	Medium

---

Please Checkout TODO to see what's the plan next

It is welcomed to open issues if you wanna help : )