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leetcode 202 Happy Number
Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares o...
分类:移动开发   时间:2015-04-29 19:56:35    阅读次数:162
Leetcode#202Happy Number
Writeanalgorithmtodetermineifanumberis"happy".Ahappynumberisanumberdefinedbythefollowingprocess:Startingwithanypositiveinteger,replacethenumberbythesumofthesquaresofitsdigits,andrepeattheprocessuntilthenumberequals1(whereitwillstay),oritloopsendlesslyinacyc..
分类:移动开发   时间:2015-04-29 15:16:57    阅读次数:147
[LeetCode] Happy Number
Write an algorithm to determine if a number is “happy”.A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of i...
分类:移动开发   时间:2015-04-28 16:19:46    阅读次数:156
**RESTful API版本控制策略
做RESTful开放平台,一方面其API变动越少, 对API调用者越有利;另一方面,没有人可以预测未来,系统在发展的过程中,不可避免的需要添加新的资源,或者修改现有资源。因此,改动升级必不可少,但是,作为平台开发者,你必须有觉悟:一旦你的API开放出去,有人开始用了,你就不能只管自己Happy了,你...
分类:Windows程序   时间:2015-04-28 13:45:15    阅读次数:156
【leetcode】Happy Number
Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer...
分类:移动开发   时间:2015-04-27 18:11:45    阅读次数:154
14-15西南交通大学ACM新秀杯初赛题解J
Problem JCan JM Bear Be happy? 撰写:Hacker_vision 题目大意:给你一个长度为n的字符串没判断字符串是否合法(即必须包含所有26个英文字母) 题解:标记数组vis[26]标记出现过的字母,注意预处理:字符串大小写转换string s; 小写转换为大写:transform( s.begin(), s.end(), s.begin(), ::tou...
分类:其他好文   时间:2015-04-27 10:04:09    阅读次数:201
Happy Number
Happy Number问题:Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any p...
分类:移动开发   时间:2015-04-26 22:42:59    阅读次数:166
Happy Number
https://leetcode.com/problems/happy-number/Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following ...
分类:移动开发   时间:2015-04-26 22:38:15    阅读次数:172
hdu 3829 最大独立集
思路:很显然,让某一个孩子happy是一定可以做到的,但是同时有可能会让别的孩子unhappy,所以每一对这样的两个孩子之间存在”冲突”,如果在存在“冲突”的孩子之间建边的话,我们的问题就转化成了求二分图的最大独立集。具体为什么是二分图,博主也没有想明白... 1 #include 2 #incl....
分类:其他好文   时间:2015-04-26 15:11:05    阅读次数:114
LeetCode (24) Happy Number
题目描述Write an algorithm to determine if a number is “happy”.A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares...
分类:移动开发   时间:2015-04-26 12:27:42    阅读次数:114
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