输出格式
求平均年龄
http://www.nowcoder.com/questionTerminal/ca319fdb02714994850cc631d76f5547
#include <stdio.h>
int main()
{
int n,i;
while(scanf("%d",&n)!=EOF)
{
float a[n],sum=0;
for(i=0;i<n;i++)
{
scanf("%f",&a[i]);
sum+=a[i];
}
printf("%.2f\n",sum/n);
}
} (•̀ᴗ•́)و
查看28道真题和解析