码迷,mamicode.com
首页 >  
搜索关键字:permutations    ( 609个结果
leetCode 47.Permutations II (排列组合II) 解题思路和方法
Permutations II Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example, [1,1,2] have the fo ...
分类:其他好文   时间:2017-07-21 20:46:18    阅读次数:145
HDU 5338(ZZX and Permutations-用线段树贪心)
ZZX and Permutations Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 888 Accepted Submission(s ...
分类:其他好文   时间:2017-07-14 14:54:51    阅读次数:164
leetCode 60.Permutation Sequence (排列序列) 解题思路和方法
The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequenc ...
分类:其他好文   时间:2017-07-07 14:26:47    阅读次数:114
线性DP POJ2279 Mr.Young's Picture Permutations
Mr. Young's Picture Permutations Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 1128 Accepted: 562 Description Mr. Young wishes to take a ...
分类:其他好文   时间:2017-07-03 01:11:56    阅读次数:721
UVA - 11077 Find the Permutations (置换)
Sorting is one of the most usedoperations in real life, where Computer Science comes into act. It iswell-known that the lower bound of swap based sort ...
分类:其他好文   时间:2017-07-02 19:40:23    阅读次数:156
LeetCode——Permutation Sequence
The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequenc ...
分类:其他好文   时间:2017-07-02 15:16:52    阅读次数:123
LeetCode60:Permutation Sequence
The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequenc ...
分类:其他好文   时间:2017-07-01 16:16:01    阅读次数:150
poj 2369 Permutations(置换群)
题目链接:poj 2369 Permutations 题意: 给你一个置换序列,问你循环周期是多少。 题解: 找到每个子循环周期,总体的循环周期就是这些子循环周期的最小公倍数。 1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> ...
分类:其他好文   时间:2017-06-24 21:53:39    阅读次数:173
47. Permutations II
一、题目 1、描述 2、题意 给出一个可以重复数值的整形数组,求所有不同的排序! 二、解答 1、思路: 采用全排序,全排序中再去除重复的组合。其中,全排序采用深度优先排序,即一层层往下递归,走到底,再往上一个一个回溯。其中,很巧妙的的在 调用DFS前交换一个元素,DFS方法后在交换回来,保持能够递归 ...
分类:其他好文   时间:2017-06-14 14:28:12    阅读次数:187
POJ2369 Permutations【置换群】
题目链接: http://poj.org/problem?id=2369 题目大意: 给定一个序列。问最少须要多少次置换才干变为 1、2、…、N 的有序序列。比方说给 定5个数的序列 4 1 5 2 3。表示置换为: ( 1 2 3 4 5 ) ,即 (1 4 2)(3 5) 4 1 5 2 3 解 ...
分类:其他好文   时间:2017-06-12 13:05:03    阅读次数:121
609条   上一页 1 ... 18 19 20 21 22 ... 61 下一页
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!