A. Tavas and Nafas Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/535/problem/A Description Today Tavas got his test result as an integer score and he wants to share it with his girlfriend, Nafas. His phone operating syste…
题目传送门 /* 水题:ans = (1+2+3+...+n) * k - n,开long long */ #include <cstdio> #include <algorithm> #include <cstring> #include <cmath> using namespace std; typedef long long ll; int main(void) //Codeforces Round #304 (Div. 2) A. Soldier…
题目传送门 /* 题意:5种情况对应对应第i或j辆车翻了没 水题:其实就看对角线的上半边就可以了,vis判断,可惜WA了一次 3: if both cars turned over during the collision. 是指i,j两辆车,而不是全部 */ #include <cstdio> #include <algorithm> #include <cstring> #include <cmath> #include <iostream>…