随笔分类 -  LeetCode

Learning on the LeetCode
260. Single Number III
摘要：问题：　Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two eleme 阅读全文
posted @ 2016-04-21 11:28 wwwglin 阅读(190) 评论(0) 推荐(0)
283. Move Zeroes
摘要：问题：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. 思考：开始想通过两层for 阅读全文
posted @ 2016-04-14 15:48 wwwglin 阅读(175) 评论(0) 推荐(0)
104. Maximum Depth of Binary Tree
摘要：题目：Given a binary tree, find its maximum depth. 计算二叉树的深度。 解决：采用深度优先遍历。 阅读全文
posted @ 2016-04-13 15:14 wwwglin 阅读(119) 评论(0) 推荐(0)
136. Single Number
摘要：问题：Given an array of integers, every element appears twice except for one. Find that single one. 思考：运用双循环，微循环循环待比较数字，内层比较。增加一个flag表明是否匹配。 知识：flag的使用，以 阅读全文
posted @ 2016-04-12 14:12 wwwglin 阅读(164) 评论(0) 推荐(0)
292. Nim Game
摘要：问题：You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 s 阅读全文
posted @ 2016-04-11 18:07 wwwglin 阅读(157) 评论(0) 推荐(0)
338. Counting Bits
摘要：从今天开始，每天刷一道leetcode。 今天的题目很简单：Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in the 阅读全文
posted @ 2016-04-11 17:46 wwwglin 阅读(298) 评论(0) 推荐(0)