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[LeetCode]题解(python):039-Combination Sum
题目来源https://leetcode.com/problems/combination-sum/Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere ...
分类:编程语言   时间:2015-12-07 14:13:02    阅读次数:189
[LeetCode]题解(python):040-Combination Sum II
题目来源https://leetcode.com/problems/combination-sum-ii/Given a collection of candidate numbers (C) and a target number (T), find all unique combinations...
分类:编程语言   时间:2015-12-07 14:00:38    阅读次数:152
Java [Leetcode 40]Combination Sum II
题目描述:Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each nu...
分类:编程语言   时间:2015-12-04 22:59:19    阅读次数:401
Java [Leetcode 39]Combination Sum
题目描述:Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeate...
分类:编程语言   时间:2015-12-04 22:53:39    阅读次数:197
BZOJ 2982: combination( lucas )
lucas裸题. C(m,n) = C(m/p,n/p)*C(m%p,n%p).-----------------------------------------------------------------------------------------#include#include#incl...
分类:其他好文   时间:2015-12-03 20:44:15    阅读次数:152
hdu 5584 LCM Walk(数学推导公式,规律)
Problem DescriptionA frog has just learned some number theory, and can't wait to show his ability to his girlfriend.Now the frog is sitting on a grid ...
分类:其他好文   时间:2015-12-02 22:09:55    阅读次数:235
LintCode: Combination Sum II
C++DFS 1 class Solution { 2 public: 3 void help(vector &a, int now, int sum, int target, vector &path, vector > &ans, bool last) { 4 if (s...
分类:其他好文   时间:2015-12-02 14:36:35    阅读次数:149
leetcode笔记:Combination Sum II
该题与之前的Combination Sum的解法类似,均可使用深度优先搜索来解。不同的是该题需要注意如何避免组合重复,因为不能重复,所以要跳过一样的数字。...
分类:其他好文   时间:2015-11-27 23:40:29    阅读次数:346
leetcode笔记:Combination Sum III
这道题题是组合之和系列的第三道题,跟之前两道Combination Sum 组合之和,前面两道题的联系比较紧密,变化不大,而这道跟它们最显著的不同就是这道题要求一个解中元素的个数为k。...
分类:其他好文   时间:2015-11-27 23:40:18    阅读次数:297
hdu 5534 Partial Tree(完全背包)
Problem DescriptionIn mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two nodes are connected by exactl...
分类:其他好文   时间:2015-11-27 21:54:29    阅读次数:285
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