题解 | #求平均年龄#
求平均年龄
https://www.nowcoder.com/practice/ca319fdb02714994850cc631d76f5547
#include<stdio.h>
int main(){
int n;
while (scanf("%d", &n) != EOF){
float sum = 0;
for (int i = 0; i < n; i++){
int p;
scanf("%d", &p);
sum = sum + p;
}
printf("%.2f\n", sum/n);
}
}
