题解 2794: 求平均年龄

解题思路:

注意事项:

参考代码:

#include<stdio.h>
#define N 100
int main()

{
    int n, age[N];
    int i, sum=0;
    float average;
    scanf("%d", &n);
    for (i=0;i<n;i++)
    {
        scanf("%d", &age[i]);
        sum = sum + age[i];
    }
    average = (float)sum/n;
    printf("%.2f\n", average);
    return 0;
}