随笔分类 -  LeetCode

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[LeetCode] 128. Longest Consecutive Sequence
摘要：传送门 Description Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example,Given [100, 4, 200, 1, 阅读全文
posted @ 2017-08-13 23:58 zxzhang 阅读(287) 评论(0) 推荐(0) 编辑
[LeetCode] 9. Palindrome Number
摘要：传送门 Description Determine whether an integer is a palindrome. Do this without extra space. 思路 题意：判断输入的整数是否是一个回文数，要求不允许使用额外的空间 题解：可以肯定的是小于0以及尾数为0的整数不是回 阅读全文
posted @ 2017-08-13 23:48 zxzhang 阅读(174) 评论(0) 推荐(0) 编辑
[LeetCode] 287. Find the Duplicate Number（Floyd判圈算法）
摘要：传送门 Description Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate num 阅读全文
posted @ 2017-08-13 23:22 zxzhang 阅读(348) 评论(0) 推荐(0) 编辑
[LeetCode] 4. Median of Two Sorted Arrays（想法题/求第k小的数）
摘要：传送门 Description There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run ti 阅读全文
posted @ 2017-08-11 00:13 zxzhang 阅读(183) 评论(0) 推荐(0) 编辑

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