hdu 2093 考试排名使用 sscanf () 用于判断输入有没有括号

http://acm.hdu.edu.cn/showproblem.php?pid=2093

#include <cstdio>
#include <cstdlib>
#include <cstring>
#define    MAX 1000

typedef struct
{
    char    name[11];
    int    sum;
    int    total;
}credit;

int cmp(const void *a, const void *b)
{
    if ((*(credit *)a).total != (*(credit *)b).total)
        return (*(credit *)a).total - (*(credit *)b).total;
    else if ((*(credit *)b).sum != (*(credit *)a).sum)
        return (*(credit *)b).sum - (*(credit *)a).sum;
    else
        return strcmp((*(credit *)b).name, (*(credit *)a).name);
}

int main()
{
    int    res, t, f;
    int    i, n, m, j;
    char    style[10];
    credit    c[MAX] = {0};
    scanf ( "%d%d", &n, &m );
    for ( i = 0; scanf("%s", c[i].name) != EOF; i++ )
    {
          for ( j = 0; j < n; j++ )
          {
                scanf ( "%s", style );
                res = sscanf(style, "%d(%d)", &t, &f );
                if ( res == 2 )
                {
                    c[i].total++;
                    c[i].sum += t + f * m;
                }
                else if (res == 1 && t > 0)
                {
                    c[i].total++;
                    c[i].sum += t;
                }
          }
    }

    qsort(c, i, sizeof(credit), cmp);
    for ( i--; i >= 0; i-- )
    {
         printf("%-10s %2d %4d\n", c[i].name, c[i].total, c[i].sum);
    }
    return 0;

}