2020年2月14日
34. Find First and Last Position of Element in Sorted Array
摘要： Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime com 阅读全文
posted @ 2020-02-14 23:12 hyx1 阅读(97) 评论(0) 推荐(0)
33. Search in Rotated Sorted Array
摘要： Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). Y 阅读全文
posted @ 2020-02-14 22:39 hyx1 阅读(112) 评论(0) 推荐(0)
32. Longest Valid Parentheses
摘要： Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. Example 1: Input: 阅读全文
posted @ 2020-02-14 20:42 hyx1 阅读(102) 评论(0) 推荐(0)
31. Next Permutation
摘要： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possib 阅读全文
posted @ 2020-02-14 18:34 hyx1 阅读(103) 评论(0) 推荐(0)
22. Generate Parentheses
摘要： Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: [ 阅读全文
posted @ 2020-02-14 17:01 hyx1 阅读(95) 评论(0) 推荐(0)