HDOJ 1040 qsort

注意 compare 函数的写法，行末不留空格。

/* qsort */
# include <stdio.h>
# include <stdlib.h>

int compare(const void * a, const void * b)
{
    return (*(int *)a) - (*(int *)b);
    }

int main()
{
    int T, N, i;
    int a[1001];
    
    scanf("%d", &T);
    while (T--)
    {
          scanf("%d", &N);
          for (i = 0; i < N; ++i)
              scanf("%d", &a[i]);
          qsort(a, N, sizeof(int), compare);
          --N;
          for (i = 0; i < N; ++i)
              printf("%d ", a[i]);
          printf("%d\n", a[i]);
          }
    
    return 0;
    }