#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define NUM 100

float Average(int []);

int main()
{
    int n[NUM], i; 
    srand(time(NULL));
    
    for(i = 0; i<NUM; i++) { 
        n[i] = rand()%100 + 1 ;
        printf("%d%c",n[i],(i%10==9)?'\n':'\t');
    } 
    
    printf("---------------------------------------------------------------------------\n");
    printf("Mean = %f", Average(NUM));
    
    system("pause");
    return 0;
}

float Average(int input[NUM])
{
    int j, sum = 0;
    float k;
    
    for(j = 0; j<NUM; j++)
        sum += input[j];   
    
    k = sum/NUM; 
         
    return k;
}