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UVA 11925 - Generating Permutations
题意: 给出一个1到n的排列,给出操作顺序,使升序排列能变为所给排列。分析: 正常冒泡排序的想法。如果前两个数,前面的大于后面的,则换(特例是n,1不能换)。否则,就用2的逆操作,把最后的数放前面。不过用了vector数组存放代码: #include #include #include #in...
分类:其他好文   时间:2015-11-01 21:04:02    阅读次数:233
[ LintCode] Permutations
PermutationsGiven a list of numbers, return all possible permutations.ExampleFor nums =[1,2,3], the permutations are:[ [1,2,3], [1,3,2], [2,1,3], ...
分类:其他好文   时间:2015-10-29 00:39:15    阅读次数:305
[LintCode] Permutations II
Permutations IIGiven a list of numbers with duplicate number in it. Find alluniquepermutations.ExampleFor numbers[1,2,2]the unique permutations are:[ ...
分类:其他好文   时间:2015-10-29 00:15:14    阅读次数:183
uva 11925 Generating Permutations
题意:给定一到n的序列,按照下列规则,将序列排为升序列1.交换前两个数2.将最后一个数放在最前面(紫书错了,害惨我了)数据量为300,刘汝佳提示是最多2*n*n次操作,所以我选择了数组模拟,正常数组无法将最后一个放到前面,所以我将数组倒置因为没有要求最优解,只要能得到想要的结果就行了,所以采取了构造...
分类:其他好文   时间:2015-10-17 23:39:49    阅读次数:236
Permutations 解答
QuestionGiven 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,...
分类:其他好文   时间:2015-10-16 11:27:32    阅读次数:149
Permutations
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:2015-10-13 06:58:53    阅读次数:228
[LeetCode]Permutation Sequence
题目描述:(链接)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 seq...
分类:其他好文   时间:2015-10-07 16:00:01    阅读次数:166
[LintCode] Permuation Index
Given a permutation which contains no repeated number, find its index in all the permutations of these numbers, which are ordered in lexicographical o...
分类:其他好文   时间:2015-10-05 14:15:28    阅读次数:149
46. Permutations (Recursion, DP)
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:2015-10-05 08:12:19    阅读次数:168
Permutation
问题描述: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...
分类:其他好文   时间:2015-10-01 11:28:36    阅读次数:140
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