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Given 2 permutations of integers from 1 to N, you need to find the minimum number of operations necessary to change both or any one of them in such a ...
分类:其他好文   时间:2015-08-26 23:50:20    阅读次数:284
[LeedCode OJ]#46 Permutations
【 声明:版权所有,转载请标明出处,请勿用于商业用途。  联系信箱:libin493073668@sina.com】 题目链接:https://leetcode.com/problems/permutations/ 题意: 给定一个数组,要求返回其所有全排列的情况 思路: 对于一个特定排列我们有一个求下一个全排列的函数,那就是n...
分类:其他好文   时间:2015-08-26 18:03:16    阅读次数:126
leetcode:Permutation Sequence
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 sequence (ie, for n = 3): “123” “132...
分类:其他好文   时间:2015-08-25 19:44:18    阅读次数:183
[LeetCode#60]Permutation Sequence
Problem: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 sequ...
分类:其他好文   时间:2015-08-21 07:07:54    阅读次数:157
POJ2369 Permutations【置换群】
题目大意: 给定一个序列,问最少需要多少次置换才能变为 1、2、…、N 的有序序列。比如说给 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 解题思路: 对于每一位找到自己轮换内轮换到自己的次数,求不相交的轮换之间的次数的公倍数, 即为最终结果。...
分类:其他好文   时间:2015-08-19 20:40:37    阅读次数:93
[LeetCode]Permutation Sequence
Permutation SequenceThe set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the fo...
分类:其他好文   时间:2015-08-15 16:07:34    阅读次数:135
[Leetcode] Permutations II
The difference betweent Problem Permutation I and Permuation II lies in the duplicates elements may exist in the second one.For the first one , the en...
分类:其他好文   时间:2015-08-12 18:24:30    阅读次数:109
python 全排列
itertools模块现成的全排列: for i in itertools.permutations('abcd',4): print ''.join(i) 相关全排列算法: def perm(l): if(len(l)<=1): return [l] r=[] for i in range(len(l)): ...
分类:编程语言   时间:2015-08-09 12:38:49    阅读次数:188
hdu5338 ZZX and Permutations
hdu5338 ZZX and Permutations非原创,来自多校题解不是自己写的,惭愧ing……留着以后自己参考……lower_bound {1,2,4,5} 询问 2,返回的是 2 ,询问3 返回的是 4 是大于等于元素的值upper_bound {1,2,4,5} 询问2,返回4,询问3...
分类:其他好文   时间:2015-08-07 22:17:05    阅读次数:180
Permutations of Array
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,...
分类:其他好文   时间:2015-08-05 06:36:21    阅读次数:102
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