leetcode2sumc-LeetCode:练习商务面试

leetcode 2 sum c LeetCode规划 LEETCODE PATTERNS 从LeetCode学演算法 Leetcode笔记 Leetcode 经典题目 程式题 1) reverse string Input: ["h","e","l","l","o"] Output: ["o","l","l","e","h"] 使用内部swap class Solution(object): def reverseString(self, s): """ :type s: List[str] :rtype: None Do not return anything, modify s in-place instead. """ i = 0 j = len(s)-1 while(i<j ns[i], s[j] = s[j], s[i] i + n1 j -= 1 return s 2) merge intervals (第一类) ex: [1,2], [2,3], [4,5], [5,7] > [1,2,3], [4,5,7] 3) merge intervals (第二类) - M