The balance was the first mass measuring instrument invented. In its traditional form, it consists of a pivoted horizontal lever of equal length arms, called the beam, with a weighing pan, also called scale, suspended from each arm (which is the orig…

Break Standard Weight Time Limit: 2 Seconds                                     Memory Limit: 65536 KB                             The balance was the first mass measuring instrument invented. In its traditional form, it consists of a pivoted horizon…

/*题意:将两个砝码中的其中一个分成两块,三块组合最多有几种情况(可以只有一块,或者两块). 组合情况 i j m 三块砝码 (i+j)-m=m-(i+j) i+j i-j=j-i  i j m (i+m)-j=j-(i+m) i+m i-m=m-i   i+j+m (j+m)-i=i-(j+m) j+m j-m=m-j */ #include<string.h> #include<stdio.h> #include<string.h> #include<stdl…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5009 题目意思:给出两个mass:x 和 y,问如何将其中一个 mass 一分为二(当然分完之后它们的和要等于原来的mass,或x 或 y),使得利用这三个mass 可称的数量最大.输出这个最大数量. 网上参考别人用STL中的set来写,太厉害了!!!考虑到set对于重复的元素只存储一个,那么当三个mass组合的过程中有重复的,它都会自动舍弃有重复的,不需要用if来…

There are N little kids sitting in a circle, each of them are carrying some java beans in their hand. Their teacher want to select M kids who seated in M consecutive seats and collect java beans from them. The teacher knows the number of java beans e…

MightyHorse is playing a music game called osu!. After playing for several months, MightyHorse discovered the way of calculating score in osu!: 1. While playing osu!, player need to click some circles following the rhythm. Each time a player clicks,…

题目连接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5009 题意:给你两个数字,可以把其中一个拆成两个数字,计算这三个数字通过加或者减能组成的最多数字. 分析下三个数通过加或者减的组合以及数据规模来看,直接暴力枚举即可,枚举过程中注意不要有遗漏,最好在心里记个顺序,有条理进行枚举. 反思:当遇到数据规模不大的情况,想不出快捷方法,尝试用暴力试试. AC代码: #include <cstdio> #include &l…

水题你要信了 Time Limit: 2000/1000ms (Java/Others) Problem Description: 某发最近又认识了很多妹(han)子,可是妹(han)子一多不免有时会忘记那么一两个,为了记得他们的名字,发哥设计了一个记录器.对于每个他刚认识的妹(han)子,他都把妹子的名字放进记录器里,如果记录器已经有这个妹子的名字,则在这个妹子的名字后面加上一个数字(数字从1开始),输出妹子的名字加上数字.若记录器没有这个妹子的记录,则输出OH GOD. Input: (EO…

Problem The balance was the first mass measuring instrument invented. In its traditional form, it consists of a pivoted horizontal lever of equal length arms, called the beam, with a weighing pan, also called scale, suspended from each arm (which is…

题目传送门 /* 水题:找排序找中间的价格,若有两个,选价格大的: 写的是有点搓:) */ #include <cstdio> #include <iostream> #include <algorithm> #include <cmath> #include <cstring> #include <string> #include <map> #include <set> #include <queue…