Codeforces 835 A Key races

题目地址
题意：告诉你们要打的字符串长度为s，A打每个字符要v1，但是他得到这个字符串以及上传都要t1，B打每个字符要v2，但是他得到这个字符串以及上传都要t2，求那个人更快
思路：直接算，要注意看Note

#include <iostream>#include <cstring>#include <string>#include <queue>#include <vector>#include <map>#include <set>#include <stack>#include <cmath>#include <cstdio>#include <algorithm>#define N 50010#define M 200010#define K 1000010#define LL __int64#define inf 0x3f3f3f3f#define lson l,mid,ans<<1#define rson mid+1,r,ans<<1|1using namespace std;const LL mod = 1e9 + 7;const double eps = 1e-9;int main() {    cin.sync_with_stdio(false);    int s, v1, v2, t1, t2;    int time1, time2;    while (cin >> s >> v1 >> v2 >> t1 >> t2) {        time1 = s*v1 + t1 + t1;        time2 = s*v2 + t2 + t2;        if (time1 > time2) {            cout << "Second" << endl;        }        else if (time1 == time2) {            cout << "Friendship" << endl;        }        else {            cout << "First" << endl;        }    }    return 0;}