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Re:为什么WA?????????不理解

Posted by bootshl at 2008-07-31 16:42:12 on Problem 3325
In Reply To:为什么WA?????????不理解 Posted by:bootshl at 2008-07-31 16:37:30
> #include <stdio.h>
> #include <stdlib.h>
> 
> int cmp(const void* e1, const void* e2);
> 
> int main(void)
> {
>     int n, a[1001], i, count;
>     double sum, ave[101];
>     count = 0;
>     while (scanf("%d", &n) == 1 && n) {
>         for (i = 0; i < n; i++)
>             scanf("%d", a + i);
>         qsort(a, n, sizeof(int), cmp);
>         sum = 0;
>         for (i = 1; i < n-1; i++)
>             sum += a[i];
>         ave[count++] = sum/(n - 2);
>     }
>     for (i = 0; i < count; i++)
>         printf("%.0lf\n", ave[i]);
>     return 0;
> }
> 
> int cmp(const void* e1, const void* e2)
> {
>     return (*(int*)e1) - (*(int*)e2);
> }
为什么把ave[]改成int类型就过呢???double为什么不可以?

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