题目传送门 不能提交哦     http://www.nocow.cn/index.php/Translate:USACO/ride

/*ID: jusonal1PROG: rideLANG: C++*/#include <iostream>#include <fstream>#include <string>#include <cstdio>#include <algorithm>using namespace std;int n(char a){    return a - ‘A‘ + 1;}int num(string a){    int ans = 1;    for(int i = 0;a[i] != ‘\0‘;++i)        ans = ans*n(a[i])%47;    return ans;}int main (){  ofstream fout("ride.out");  ifstream fin("ride.in");  string a,b;  fin>>a>>b;  //cin>>a>>b;  if(num(a) == num(b)) fout<<"GO"<<endl;  else fout<<"STAY"<<endl;  return 0;}

USACO Section 1.1PROB Your Ride Is Here