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搜索关键字:the unique mst    ( 5979个结果
[LeetCode] 4Sum
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array whic...
分类:其他好文   时间:2014-08-12 00:12:03    阅读次数:209
POJ 1679 The Unique MST(求最小生成树是否唯一)
The Unique MSTTime Limit:1000MSMemory Limit:10000KTotal Submissions:20430Accepted:7186DescriptionGiven a connected undirected graph, tell if its minim...
分类:其他好文   时间:2014-08-12 00:09:23    阅读次数:273
[LeetCode] 3Sum
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of ...
分类:其他好文   时间:2014-08-11 23:52:23    阅读次数:209
SQL 约束解说
SQL 约束解说2009-04-27 09:29约束主要包含:NOT NULL UNIQUE PRIMARY KEY FOREIGN KEY CHECK DEFAULT 1、not null :用于控制字段的内容一定不能为空(NULL)。 使用方法 :Create table MyTable ( i...
分类:数据库   时间:2014-08-11 20:55:42    阅读次数:270
leetcode 刷题之路 77 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], [1,2,1], and [2,1...
分类:其他好文   时间:2014-08-11 17:49:32    阅读次数:201
#Leet Code# Unique Path
描述:使用了递归,有些计算是重复的,用了额外的空间,Version 1是m*nBonus:一共走了m+n步,例如 m = 2, n = 3 [#, @, @, #, @],所以抽象成数学问题,解是C(m + n, m)代码: 1 class Solution: 2 # @return an ...
分类:其他好文   时间:2014-08-11 17:06:32    阅读次数:155
poj1679 The Unique MST
The Unique MST Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 20421   Accepted: 7183 Description Given a connected undirected graph, tell if its minimum spann...
分类:其他好文   时间:2014-08-11 15:07:32    阅读次数:213
各种常用函数的模板以及自己的测试数据
#include #include using namespace std;int a[10];int main(){ int i; for(i = 0;i<=9;i++) { scanf("%d",&a[i]); } int k = unique(a,a...
分类:其他好文   时间:2014-08-11 14:57:32    阅读次数:151
POJ1679 The Unique MST 【次小生成树】
The Unique MST Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 20421   Accepted: 7183 Description Given a connected undirected graph, tell if its minimum s...
分类:其他好文   时间:2014-08-11 11:57:22    阅读次数:293
[MySQL Tips]:如何删除unique key约束
本文主要解决MySQL中如何删除unique key约束
分类:数据库   时间:2014-08-10 21:10:01    阅读次数:327
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