随笔分类 -  LeetCode

Contains Duplicate
摘要：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
posted @ 2016-05-18 11:10 no_one 阅读(124) 评论(0) 推荐(0)
Move Zeroes
摘要：Given an array nums, write a function to move all 0‘s to the end of it while maintaining the relative order of the non-zero elements. For example, giv 阅读全文
posted @ 2016-05-18 10:21 no_one 阅读(123) 评论(0) 推荐(0)
Remove Duplicates from Sorted Array II
摘要：Follow up for ”Remove Duplicates”: What if duplicates are allowed at most twice?For example, Given sorted array A = [1,1,1,2,2,3],Your function should 阅读全文
posted @ 2016-05-17 10:39 no_one 阅读(111) 评论(0) 推荐(0)
Remove Duplicates from Sorted Array
摘要：Given a sorted array, remove the duplicates in place such that each element appear only onceand return the new length.Do not allocate extra space for 阅读全文
posted @ 2016-05-17 09:23 no_one 阅读(105) 评论(0) 推荐(0)
Longest Valid Parentheses
摘要：描述Given a string containing just the characters ’(’ and ’)’, find the length of the longest valid (wellformed)parentheses substring.For ”(()”, the lon 阅读全文
posted @ 2016-05-16 14:24 no_one 阅读(95) 评论(0) 推荐(0)
Valid Parentheses
摘要：Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the 阅读全文
posted @ 2016-05-15 21:35 no_one 阅读(141) 评论(0) 推荐(0)