#include #include #include #include //the next permutationtemplatebool STL_next_permutation(BidirIt first, BidirIt last){ if (first == last) return...
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其他好文 时间:
2015-09-20 16:19:20
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187
最近刷leetcode的时候遇见next permutation这道题,感觉挺有意思的一个题目,递归的方法是较简单并且容易想到的,在网上搜了其余的解法,就是std::next_permutation非递归解法,但是让人不是很舒服的就是关于原理的部分,千篇一律的都是摘抄《STL源码剖析》,也就是这样的...
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其他好文 时间:
2015-09-20 09:10:59
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303
擅长排列的小明时间限制:1000ms | 内存限制:65535KB难度:4描述小明十分聪明,而且十分擅长排列计算。比如给小明一个数字5,他能立刻给出1-5按字典序的全排列,如果你想为难他,在这5个数字中选出几个数字让他继续全排列,那么你就错了,他同样的很擅长。现在需要你写一个程序来验证擅长排列的小明...
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其他好文 时间:
2015-09-18 00:37:13
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232
/*
mplement?next?permutation,?which?rearranges?numbers?into?the?lexicographically?next?greater?permutation?of?numbers.
If?such?arrangement?is?not?possible,?it?must?rearrange?i...
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其他好文 时间:
2015-09-17 15:43:07
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140
Problem:Given a strings, return all the palindromic permutations (without duplicates) of it. Return an empty list if no palindromic permutation could ...
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其他好文 时间:
2015-09-14 06:58:58
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198
Permutation RecoveryTime Limit: 10000/4000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 456Accepted Submission(s): 31...
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其他好文 时间:
2015-09-12 19:02:10
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237
User ainta has a permutationp1,?p2,?...,?pn. As the New Year is coming, he wants to make his permutation as pretty as possible.Permutationa1,?a2,?...,...
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其他好文 时间:
2015-09-11 23:32:26
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317
Problem:Given a string, determine if a permutation of the string could form a palindrome.For example,"code"-> False,"aab"-> True,"carerac"-> True.Gene...
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其他好文 时间:
2015-09-10 08:25:51
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157
题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5166Missing numberDescriptionThere is a permutation without two numbers in it, and now you know what num...
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其他好文 时间:
2015-09-10 00:15:21
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169
Problem:Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not...
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其他好文 时间:
2015-09-07 07:01:04
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214