HDU1047

#include <stdio.h>
#include <string.h>
#define maxn 200
char s[maxn];
int a[maxn],sum[maxn];
int main ()
{
    int n,i,j,k;
    scanf ("%d",&n);
    for (k = 0;k<n;++k)
    {
        memset (sum,0,sizeof (sum));
        while (~scanf ("%s",s))
        {
            if (!strcmp(s,"0"))break;
            int jin = 0,len = strlen (s);
            memset (a,0,sizeof (a));
            for (i = 0;i<len;++i)
                a[i] = s[len-i-1]-‘0‘;
            for (i = 0;i<maxn;++i)
            {
                int t = a[i]+sum[i]+jin;
                sum[i] = t%10;
                jin = t/10;
            }
        }
        for (i = maxn-1;i>=0;i--)if (sum[i])break;
        if (i<0)printf ("0");
        else
            for (j = i;j>=0;--j)
                printf ("%d",sum[j]);
        printf ("\n");
        if (k!=n-1)printf ("\n");

    }
    return 0;
}