USACO 1.1 Your Ride Is Here

直接模拟

#include<cstdio>
#include<cstring>
using namespace std;
#define MAXN 10
#define MOD 47
char s[MAXN],t[MAXN];
int main()
{
    scanf("%s %s",s+1,t+1);
    int l1=strlen(s+1),l2=strlen(t+1),s1=1,s2=1;
    for(int i=1;i<=l1;i++)
        s1=s1*(s[i]-'A'+1)%MOD;
    s1%=MOD;
    for(int i=1;i<=l2;i++)
        s2=s2*(t[i]-'A'+1)%MOD;
    s2%=MOD;
    if(s1==s2)
        printf("GO\n");
    else printf("STAY\n");
    return 0;
}