C program that will calculate the average of a list of input numbers and then output how many numbers are greater than the average.

greaterthanavg.c

#!/usr/bin/c
#include <stdio.h>

int main() {
  int intlist[99], listlen, counter, sum, avg, res;
  sum = 0;
  res = 0;
  printf("Enter number of values you want to input.");
  scanf("%d", &listlen);
  if ((listlen > 0) && (listlen < 100)) {
    /* Read input into an array and compute the sum */
    for (counter = 0; counter < listlen; counter++) {
      printf("Enter value $(counter + 1).");
      scanf("%d", &listlen[counter]);
      sum += intlist[counter];
    }
    /* Compute the average */
    avg = sum / listlen;
    /* Count the input values that are greater than average */
    for (counter = 0; counter < listlen; counter++)
      if (intlist[counter] > avg) res++;
    /* Print result */
    printf("Number of values greater than average:%d\n", res);
  }
  else
    printf("Error: input list length is not legal.\n");
}