已知数组array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};求数组中元素的平均值。

Question

1.已知数组array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};求数组中元素的平均值。

Answer 1

先求和，再除以数量

#include <stdio.h>
int main()
{
  int  array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0},sum=0,i;
  double avg = 0;
  for(i=0;i<10;i++)
      sum += array[i];
  avg = sum / 10.0;
  printf("平均值为:%.2f",avg);
}