#include <stdio.h>
#include <stdlib.h>

char homerseklet[5];

char maximum();
char minimum();
float atlag();

int main() {
  char i, min, max;
  float atl;

  for (i = 0; i < 5; i++) {
    beker:
    printf("Kerem adja meg a(z) %d. homersekletet: ", i + 1);
    scanf("%d", &homerseklet[i]);
    if ((homerseklet[i] < -30) || (homerseklet[i] > 40)) {
      printf("Hibas homerseklet!\n");
      goto beker;
    }
  }

  max = maximum();
  min = minimum();
  atl = atlag();

  printf("A legnagyobb homerseklet: %d\n", max);
  printf("A legkisebb homerseklet:  %d\n", min);
  printf("Az atlag homerseklet:    %2.0f\n", atl);
  system("pause");
}

char maximum() {
  char max = homerseklet[0], i;

  for (i = 1; i < 5; i++) {
    if (homerseklet[i] > max) max = homerseklet[i];
  }

  return max;
}

char minimum() {
  char min = homerseklet[0], i;

  for (i = 1; i < 5; i++) {
    if (homerseklet[i] < min) min = homerseklet[i];
  }

  return min;
}

float atlag() {
  char i, sum = 0;
  float atlag;

  for (i = 0; i < 5; i++) {
    sum += homerseklet[i];
  }

  atlag = sum / 5;

  return atlag;
}