Ŀ

գҪıйص䡣
һ repeat (0<repeat<10) repeat 㣺
һ n (1<n<=10) n ƽֵ(2λС)
ʾΪ˵

2          (repeat=2) 
3          (n=3) 
1 2 -6    
5          (n=5) 
12 2 5 4 0 

average = -1.00
average = 4.60



#include <stdio.h>
int main(void)
{
    int i, n, sum;
    int repeat, ri;
    int a[10];
    double aver;

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%d", &n);
        for(i = 0; i < n; i++)
            scanf("%d", &a[i]);
/*---------*/
        printf("average = %.2f\n", aver);
    }
}