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LeetCode --- 47. Permutations II
题目链接: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 permutations: [1,1,2], [...
分类:其他好文   时间:2015-03-03 11:50:31    阅读次数:176
LeetCode-47 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:2015-02-24 01:52:56    阅读次数:152
[LeetCode] 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:2015-02-12 18:20:28    阅读次数:110
[LeetCode] 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:2015-02-12 18:16:24    阅读次数:136
C递归版的全排列和组合算法
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1开始递归,然后对2递归,最后对3递归     顺序是先输出 1 2 3  1 3 2  2 1 3   2  3 1 ..........
分类:编程语言   时间:2015-02-12 09:19:50    阅读次数:173
leetcode[46]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:2015-02-10 14:41:01    阅读次数:110
leetcode[47]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:2015-02-10 14:37:42    阅读次数:208
rockethon2015 B题 Permutations 规律+构造
题意:求使所给公式值最大的第m个排列。 思路:假设已知使f(p)最大的n-1的排列,那么对于使f(p)最大的n的排列,把n放在(n-1)两边均可。因为n放在(n-1)两边,增值为 1+2+...+n,而如果不放在两边,(n-1)到n之间的值n摆放位置,对于i,如果m 那么i摆在pos,不然放到可放到的最后面,即last位置。因为接下来(i+1)一定在i左边,而之后比(i+1)大也一定在i左边...
分类:其他好文   时间:2015-02-09 23:11:13    阅读次数:201
CODEFORCES Rockethon 2015 B. Permutations
You are given a permutation p of numbers 1,?2,?…,?n. Let’s define f(p) as the following sum:Find the lexicographically m-th permutation of length n in the set of permutations having the maximum possibl...
分类:其他好文   时间:2015-02-09 18:24:14    阅读次数:159
leetcode[60]Permutation Sequence
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 sequence (ie...
分类:其他好文   时间:2015-02-09 15:34:37    阅读次数:189
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