USACO section1.1 ride

 1 /*
 2 ID: vincent63
 3 LANG: C
 4 TASK: ride
 5 */
 6 #include <stdio.h>
 7 #include<string.h>
 8 int main () {
 9     FILE *fin  = fopen ("ride.in", "r");
10     FILE *fout = fopen ("ride.out", "w");
11     
12     char a[10];
13     char b[10];
14     char go[]="GO
";
15     char stay[]="STAY
";
16     int i;
17     int sum1=1;
18     int sum2=1;
19     fgets(a,10,fin);
20     fgets(b,10,fin);
21     //int len=strlen(a);
22     //printf("strlen:%d
",len);
23     for(i=0;i<strlen(a)-1;i++){
24         int temp=a[i]-64;
25         sum1=temp*sum1;
26         //printf("%d
",temp);
27     }
28     for(i=0;i<strlen(b)-1;i++){
29         int temp=b[i]-64;
30         sum2=temp*sum2;
31         //printf("%d
",temp);
32     }
33     if((sum1%47)==(sum2%47)){
34         //printf("go
");
35         fputs(go,fout);
36     }else{
37         fputs(stay,fout);
38     }
39     //printf("%s%s
",a,b);
40     
41     return 0;
42 }