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...
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2015-04-29 19:56:35
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Writeanalgorithmtodetermineifanumberis"happy".Ahappynumberisanumberdefinedbythefollowingprocess:Startingwithanypositiveinteger,replacethenumberbythesumofthesquaresofitsdigits,andrepeattheprocessuntilthenumberequals1(whereitwillstay),oritloopsendlesslyinacyc..
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2015-04-29 15:16:57
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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...
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2015-04-28 16:19:46
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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...
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...
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2015-04-27 18:11:45
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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...
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其他好文 时间:
2015-04-27 10:04:09
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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...
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2015-04-26 22:42:59
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166
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 ...
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2015-04-26 22:38:15
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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....
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其他好文 时间:
2015-04-26 15:11:05
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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...
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移动开发 时间:
2015-04-26 12:27:42
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114