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Combination Sum II
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
分类:其他好文   时间:2014-09-05 17:35:41    阅读次数:227
LeetCode--Combination Sum
一开始的思路是:中序遍历+判断遍历后的数组,时间空间都不是最优果然超时了 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * ...
分类:其他好文   时间:2014-09-04 23:35:50    阅读次数:393
LeetCode Solutions : Combination Sum I & II
Combination Sum  Given a set of candidate numbers (C) and a target number (T),  find all unique combinations in C where the candidate numbers sums to T. The same repeated number may be chosen fro...
分类:其他好文   时间:2014-09-02 17:48:05    阅读次数:244
数论 - 素数的运用 --- poj 2689 : Prime Distance
Prime DistanceTime Limit:1000MSMemory Limit:65536KTotal Submissions:12512Accepted:3340DescriptionThe branch of mathematics called number theory is abo...
分类:其他好文   时间:2014-09-02 17:28:25    阅读次数:196
Combination Sum II
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
分类:其他好文   时间:2014-09-02 00:07:23    阅读次数:258
Leetcode dfs Combination SumII
Combination Sum II  Total Accepted: 13710 Total Submissions: 55908My Submissions Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C wher...
分类:其他好文   时间:2014-09-01 14:03:23    阅读次数:188
Leetcode dfs Combination Sum
Combination Sum  Total Accepted: 17319 Total Submissions: 65259My Submissions Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the ca...
分类:其他好文   时间:2014-09-01 12:42:03    阅读次数:259
编程题 - 概率问题,抽奖问题 48选7
编程题 :有12组球,每组有编号为ABCD四个球. 任意球可记为 nX (1#include #include #include #include "combination.h"typedef long (*Com)(long,long);Com C=combination; // 这个函数请自行网...
分类:其他好文   时间:2014-09-01 12:23:43    阅读次数:254
子集系列(二) 满足特定要求的子集,例 [LeetCode] Combination, Combination Sum I, II
引言既上一篇 子集系列(一)后,这里我们接着讨论带有附加条件的子集求解方法。这类题目也是求子集,只不过不是返回所有的自己,而往往是要求返回满足一定要求的子集。解这种类型的题目,其思路可以在上一篇文章的思路略作改进。例 1,求元素数量为定值的所有子集CombinationsGiven two inte...
分类:其他好文   时间:2014-08-31 07:06:10    阅读次数:304
加州理工学院公开课:机器学习与数据挖掘_误差和噪声(第四课)
这一课的主题是:误差分析与噪声处理。内容如下: 1、Nonlinear Transformation(Continue)(非线性转换(续)) 2、Error Measure (误差度量)(重点) 3、Noisy Targets(噪声指标)(重点) 4、Preamble to the Theory(理论热身)...
分类:其他好文   时间:2014-08-30 21:49:20    阅读次数:370
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