#include <stdlib.h>

int* array_init (int N){

  int *iarray;
  int i;
  iarray = (int*) malloc (N * sizeof(int) );
  
  // fill in array with interger values from 1 to 100
  for ( i = 0 ; i < N ; i++ ){
     iarray[i] = i + 1;
  }

  return iarray;

}

float mean ( int N, int *array ){

  float sum = 0;
  int i;

  for ( i = 0 ; i < N ; i++ ){
     sum = sum + array[i];
  }



  return sum * 1.0 / N;

}