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C++学习之Pair
C++学习之PairPair类型概述pair是一种模板类型,其中包含两个数据值,两个数据的类型可以不同,基本的定义如下:pair a;表示a中有两个类型,第一个元素是int型的,第二个元素是string类型的,如果创建pair的时候没有对其进行初始化,则调用默认构造函数对其初始化。pair a("J...
分类:编程语言   时间:2015-12-28 18:11:50    阅读次数:297
UVA 11076 Add Again 计算对答案的贡献+组合数学
A pair of numbers has a unique LCM but a single number can be the LCM of more than one possiblepairs. For example 12 is the LCM of (1, 12), (2, 12), (...
分类:其他好文   时间:2015-12-26 18:48:10    阅读次数:202
UVA 10892 LCM Cardinality 数学
A pair of numbers has a unique LCM but a single number can be the LCM of more than one possiblepairs. For example 12 is the LCM of (1, 12), (2, 12), (...
分类:其他好文   时间:2015-12-26 18:45:44    阅读次数:326
Leetcode: Graph Valid Tree && Summary: Detect cycle in directed graph and undirected graph
Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these edges mak...
分类:其他好文   时间:2015-12-24 07:05:51    阅读次数:466
hdu 4638 Group 莫队算法
题目链接很裸的莫队, 就不多说了... 1 #include 2 using namespace std; 3 #define pb(x) push_back(x) 4 #define ll long long 5 #define mk(x, y) make_pair(x, y) 6 #define...
分类:编程语言   时间:2015-12-24 00:14:19    阅读次数:345
codeforces 590C:(BFS)
建道路使得三个国家联通,问最少需要在多少个格子上修路枚举每一个格子,计算三个国家到达这个格子的最短路,取最小的发现pair用来代替node有时候还是很好用的#include"cstdio"#include"queue"#include"cmath"#include"stack"#include"io...
分类:其他好文   时间:2015-12-23 12:47:32    阅读次数:390
CodeForce---Educational Codeforces Round 3 D. Gadgets for dollars and pounds 正题
对于这题笔者无解,只有手抄一份正解过来了:基本思想就是 :二分答案,对于第x天,计算它最少的花费f(x),#include #include #include #include using namespace std;typedef long long ll;typedef pair pii;#d....
分类:其他好文   时间:2015-12-21 23:14:58    阅读次数:195
hdu 4888 Redraw Beautiful Drawings 网络流
题目链接一个n*m的方格, 里面有 2 using namespace std; 3 #define pb(x) push_back(x) 4 #define ll long long 5 #define mk(x, y) make_pair(x, y) 6 #define lson l,...
分类:Windows程序   时间:2015-12-17 20:37:01    阅读次数:194
openstack controller ha测试环境搭建记录(十五)——创建实例
# source demo-openrc.sh# ssh-keygenGenerating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Enter passphrase (em...
分类:其他好文   时间:2015-12-17 18:54:12    阅读次数:257
[转][C++ 11]override and final - write clean and maintainable C++ code
原文:http://arne-mertz.de/2015/12/modern-c-features-override-and-final/Today I writeabout a pair of less often discussed, less complicated features intr...
分类:编程语言   时间:2015-12-16 23:13:43    阅读次数:493
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