转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Gunner Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description Long long ago, there is a gunner whose name is Jack. He likes to go hunting very…

题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=5199 先对树的高度排序,然后对每次射击高度二分查找即可,打过之后数目变为0. #include<cstdio> #include<iostream> #include<string.h> #include<algorithm> #include<math.h> #include<stdbool.h> #include<time.h&…

HDU5198 Strange Class 问题描述 在Vivid的学校里,有一个奇怪的班级(SC).在SC里,这些学生的名字非常奇怪.他们的名字形式是这样的anbncn(a,b,c两两不相同.).例如,叫”abc”,”ddppqq”的学生是在SC里的,然而叫”aaa”,”ab”,”ddppqqq”的同学并不是在SC里的. Vivid交了许多的朋友,他想知道他们之中哪些人是在SC里的. 输入描述 多组测试数据(大概10组),每一个数据在一行中给出一个字符串S,代表Vivid一个朋友的名字. 请处…

A.Beru-taxi 水题:有一个人站在(sx,sy)的位置,有n辆出租车,正向这个人匀速赶来,每个出租车的位置是(xi, yi) 速度是 Vi;求人最少需要等的时间: 单间循环即可: #include<iostream> #include<algorithm> #include<string.h> #include<stdio.h> #include<math.h> #include<vector> using namespace…

A. Divisibility Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/597/problem/A Description Find the number of k-divisible numbers on the segment [a, b]. In other words you need to find the number of such integer values x tha…

A. Towers 题目连接: http://www.codeforces.com/contest/37/problem/A Description Little Vasya has received a young builder's kit. The kit consists of several wooden bars, the lengths of all of them are known. The bars can be put one on the top of the other…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Strange Class Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description In Vivid’s school, there is a strange class(SC). In SC, the students’ nam…

题目传送门 /* 题意:问值为x的个数有几个,第二次查询就是0 lower/upper_bound ()函数的使用,map也可过,hash方法不会 */ #include <cstdio> #include <cmath> #include <cstring> #include <algorithm> #include <iostream> #include <vector> #include <set> #include…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Trees Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description Today CodeFamer is going to cut trees.There are N trees standing in a line. They…

A. Winner 题目连接: http://www.codeforces.com/contest/2/problem/A Description The winner of the card game popular in Berland "Berlogging" is determined according to the following rules. If at the end of the game there is only one player with the max…