#include <iostream>
#include <string>  
using namespace std;  
int main()
{  
     int t[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26}; 
     char a[200];  
     while(cin>>a)
     {
      if(a[0]=='0'&&strlen(a)==1)
      cout<<""<<endl;
      if(strlen(a)>1)
      {
          int b=0,i;
          for(i=0;i<strlen(a);i++)
      {
           if(1<=t[(a[i]-65)]&&t[(a[i]-65)]<=26)
           b=b+t[(a[i]-65)];
           else
           break;
     }
          if(i<=strlen(a)-1)
          cout<<"Fail"<<endl;
          else
          cout<<b<<endl;
          }   
      }
     return 0;  
}  

難道有別種情況-65之後會介在1~26之間嗎??

正解答案好像一次是給Fail一次是給502...