hdu4256 The Famous Clock

#include<stdio.h>

#include<string.h>
int main()
 {
     char a[12][12]={"I","II","III","IV","V","VI","VII","VIII","IX","X","XI","XII"};
    int count=1,i,t;
    char b[10];
    while(scanf("%s",b)!=EOF)//必须有输入结束
    {
        for(i=0;i<12;i++)//此处i的值不能小于13，只有12个
        {
          if(strcmp(b,a[i])==0)
           t=i;
        }
        printf("Case %d: %d\n",count++,t+1);
    }
    return 0;
 }