HDU 2743 Quicksum

#include <stdio.h>
#include <string.h>
int main()
{
char s[1100];
char tab[30]={' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
int len,ans;
int i,j;
while(gets(s))
{
if(s[0]=='#')break;
len=strlen(s);
ans=0;
for(i=0;i<len;i++)
for(j=0;j<27;j++)
if(s[i]==tab[j])
ans+=(i+1)*j;
printf("%d\n",ans);
}
return 0;
}