\(>Codeforces \space 455 B. A Lot of Games<\) 题目大意 : 有两个人在玩游戏,一共玩 \(k\) 轮,每一轮的一开始有一个空串,双方每一回合需要在空串后面加一个字符,但必须要满足加完这个字符之后的字符串是给定大小为 \(n\) 的母串集合中任意一个串的前缀,不能操作者输,规定第一轮的先手为第一个人,接下来每一轮的先手为上一轮的输家,规定最终的赢家是第 \(k\) 轮的赢家,在双方都采取最优策略的情况下,求最终的赢家是第一轮的先手还是后手. \(1…
题目链接:http://www.codeforces.com/problemset/problem/268/A题意:足球比赛中如果主场球队的主场球衣和客队的客队球衣颜色一样,那么要求主队穿上他们的可对球衣,现在有n个球队,每一球队的主场球衣和客场球衣的颜色都告诉你了,它们两两之间要比一场赛.求其中主队穿客场球衣的比赛场数.C++代码: #include <iostream> using namespace std; ; int x[maxn], y[maxn], n, ans; int mai…
A. Games time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Manao works on a sports TV. He's spent much time watching the football games of some country. After a while he began to notice diffe…
Predict Outcome of the Game Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 451C Description There are n games in a football tournament. Three teams are participating in it. Currently k …
http://codeforces.com/problemset/problem/451/C A - Predict Outcome of the Game Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 451C Description There are n games in a football tournament…
题目链接:http://codeforces.com/problemset/problem/455/A A. Boredom time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Alex doesn't like boredom. That's why whenever he gets bored, he comes up with…
[codeforces 325]B. Stadium and Games 试题描述 Daniel is organizing a football tournament. He has come up with the following tournament format: In the first several (possibly zero) stages, while the number of teams is even, they split in pairs and play on…