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Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm...
分类:其他好文   时间:2015-02-09 00:42:31    阅读次数:150
LeetCode 046 Permutations
题目要求:Permutations(全排列)Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,...
分类:其他好文   时间:2015-02-07 21:41:31    阅读次数:244
LeetCode 047 Permutations II
题目要求:Permutations IIGiven a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the f...
分类:其他好文   时间:2015-02-07 21:30:03    阅读次数:117
permutations
#include #include #define SWAP(x,y,t) ((t)=(x),(x)=(y),(y)=(t)) void perm(char *list,int k,int m) { char temp; if(k==m) { printf("%s\n",list); } else { for(int i=k;i<=m;i++) { SWAP(l...
分类:其他好文   时间:2015-02-06 16:49:49    阅读次数:155
欧拉计划(python) problem 24
Lexicographic permutations Problem 24 A permutation is an ordered arrangement of objects. For example, 3124 is one possible permutation of the digits 1, 2, 3 and 4. If all of the permutation...
分类:编程语言   时间:2015-02-05 09:35:31    阅读次数:155
LeetCode 笔记21 生成第k个排列
题目是这样的:The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following seque...
分类:其他好文   时间:2015-02-01 10:48:24    阅读次数:160
Leetcode#46 Permutations
原题地址方法I:排序+字典序枚举。生成字典序的方法见这里方法II:排列树(其实就是DFS)下图是一个排列树,每一层标红的字符是已经枚举完毕的部分,在后代节点中也不再变化;下划线的部分是待枚举排列的部分,在后代节点中将依次枚举。可见,排列树将问题一层一层分解为子问题,非常直观。如何从一个节点生成儿子节...
分类:其他好文   时间:2015-01-26 11:50:58    阅读次数:202
[C++]LeetCode: 120 Permutations II
题目: Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example, [1,1,2] have the following unique permutations: [1,1,2], [1,2,1], and [...
分类:编程语言   时间:2015-01-25 13:57:13    阅读次数:206
Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm...
分类:其他好文   时间:2015-01-25 00:00:27    阅读次数:190
Permutations -- leetcode
Given a collection of numbers, return all possible permutations. For example, [1,2,3] have the following permutations: [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1,2], and [3,2,1]. 全排列,从全体元素中挑一个...
分类:其他好文   时间:2015-01-24 17:27:49    阅读次数:147
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