传送门: [http://codeforces.com/contest/1000/problem/A] 题意: 一个比赛颁奖,要准备T-Shirt给获奖者,但有的去年获奖过,衣服尺寸可以不改,有的需要修改,问需要修改几个尺寸 题解: STL的应用,ma1先统计去年字符串出现的个数,然后输入今年字符串时如果去年不存在这种尺寸就要修改, 最后对比去年今年相同尺寸,如果去年比今年多,那么修改多出的那部分,并把今年这个尺寸数赋值为0,避免重复. 代码: #include<bits/stdc++.h>…

Pills Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description Aunt Lizzie takes half a pill of a certain medicine every day. She starts with a bottle that contains N pills. On the first day, she removes…

示例1:求极值 首先我们以Ceres库官网中的Hello World例子来进行说明.这里例子的目的是为了计算方程取得最小值时x的值.从这个方程很容易看出来当x=10时,f(x)取得最小值0.这个方程虽然没有什么实际意义,但是为了演示Ceres库还是很不错的例子. 1.编写一个g(x)=10-x的残差方程.代码如下: structCostFunctor { template <typename T> bool operator()(const T* const x, T* residual) c…

地址:http://acm.hdu.edu.cn/showproblem.php?pid=1000   Problem Description Calculate A + B.   Input Each line will contain two integers A and B. Process to end of file.   Output For each case, output A + B in one line.   Sample Input 1 1   Sample Output…

Distinct Values Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3105    Accepted Submission(s): 1000 Problem Description Chiaki has an array of n positive integers. You are told some facts about…

题目链接:https://vjudge.net/problem/HDU-2067 小兔的棋盘 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11800    Accepted Submission(s): 5952 Problem Description 小兔的叔叔从外面旅游回来给她带来了一个礼物,小兔高兴地跑回自己的房间,拆开一看是一…

Bryce1010模板 http://codeforces.com/contest/1000/problem/E 题意: 给一个无向图,求图的最长直径. 思路:对无向图缩点以后,求图的最长直径 #include<bits/stdc++.h> #define ll long long using namespace std; const int maxn=600010; int From[maxn],Laxt[maxn],To[maxn<<2],Next[maxn<<2]…

A . 250 Problem Statement      Some people are sitting in a row. Each person came here from some country. You have a theory that people from the same country are all sitting together. You decided to test this theory. You asked each person the same qu…

问题:A + B问题 描述:http://acm.wust.edu.cn/problem.php?id=1000&soj=0 代码示例: import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int a, b; while(scan.hasNext()){ a = scan.nextInt(); b…

1000: A+B Problem Time Limit: 1 Sec  Memory Limit: 5 MBSubmit: 11814  Solved: 7318[Submit][Status][Discuss] Description Calculate a+b Input Two integer a,b (0<=a,b<=10) Output Output a+b Sample Input 1 2 Sample Output 3 HINT Q: Where are the input a…