B. Random Teams   n participants of the competition were split into m teams in some manner so that each team has at least one participant. After the competition each pair of participants from the same team became friends. Your task is to write a prog…

http://codeforces.com/contest/478/problem/B B. Random Teams time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output n participants of the competition were split into m teams in some manner so that…

题目传送门 /* 贪心:排序后,当a[3] > 2 * (a[1] + a[2]), 可以最多的2个,其他的都是1个,ggr,ggb, ggr... ans = a[1] + a[2]; 或先2个+1个,然后k个rgb...r = x + k; g = 2 * (x + z) + k; b = z + k; ans = (x + z) + k = (a[1] + a[2] + a[3]) / 3; 隔了一段时间有做到这题又不会了,看别人的解题报告水平果然没有提升,以后做题要独立思考,看别人的也要…

A. Initial Bet 题意:给出5个数,判断它们的和是否为5的倍数,注意和为0的情况 #include<iostream> #include<cstdio> #include<cstring> #include <cmath> #include<algorithm> using namespace std; typedef long long LL; int main() { ; ;i<=;i++){ cin>>x; s…

A. Initial Bet time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are five people playing a game called "Generosity". Each person gives some non-zero number of coins b as an initial…

B. Random Teams time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output n participants of the competition were split into m teams in some manner so that each team has at least one participant. Afte…

D. Random Task time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One day, after a difficult lecture a diligent student Sasha saw a graffitied desk in the classroom. She came closer and read:…

http://codeforces.com/contest/478/problem/C C. Table Decorations time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You have r red, g green and b blue balloons. To decorate a single table for…

http://codeforces.com/contest/478/problem/A A. Initial Bet time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are five people playing a game called "Generosity". Each person gives s…

给定n k以及n个人已参加的比赛数,让你判断最少还能参加k次比赛的队伍数,每对3人,每个人最多参加5次比赛 #include <iostream> using namespace std; int main(){ ; cin >> n >> k; ; i < n; ++ i){ int a; cin >> a; ) cnt ++; } cout<<cnt/<<endl; }…