// initializes an array using a function
// Sean McCulloch
// Date: 6/25/97

#include <iostream>

using std::cout; using std::endl; using std::cin;

void initialize(int [], int, int); // initializes an array

int main(){

   const int size=20; // size of the array
   int test[size];    // array to manipulate
   int initVal;       // value to assign to array	

   cout << "what do you want to assign to array? ";
   cin >> initVal;

   initialize(test, size, initVal); // initialize it

   // what happens if we call this function?
   // initialize (test, size+10, 1);

   // print out the array
   for(int i=0; i < size; ++i)
   	cout << "test[" << i << "]=" << test[i] << endl;
}

// assign every element of the array A the value val
// treat n to be the size for the array
void initialize(int a[], int n, int val){
	
	// why can't we use "size" here directly instead of passing
        // it as a parameter?
	for(int i=0; i < n; ++i)
   	    a[i] = val;

}