#include <stdio.h>
int main()
{
float sum = 0.0;
float arr[5] = { 0.0 };
for (int i = 0; i < 5; i++)
{
scanf("%f", &arr[i]);
sum += arr[i];
}
//输出
printf("%.2f\n", sum / 5.0);
return 0;
}
#include <stdio.h>
int main()
{
float sum = 0.0;
float arr[5] = { 0.0 };
for (int i = 0; i < 5; i++)
{
scanf("%f", &arr[i]);
sum += arr[i];
}
//输出
printf("%.2f\n", sum / 5.0);
return 0;
}