#include <stdio.h>

int main() {
  int h[10];
  for(int i = 0; i < 10; ++i) {
    printf("Enter height %d: ", i+1);
    scanf("%d", &h[i]);
  }

  int sum = 0;
  for(int i = 0; i < 10; ++i)
    sum += h[i];
  float avg = sum / 10.f;

  printf("Average height is %f\n", avg);
  return 0;
}