#include <iostream>
using namespace std ;



void function1( int arr2[] )
{
 arr2[0] = 100 ;
}



void printArray( int arr1[] , int size )
{
	for( int i1=0 ; i1<size ; i1++ )
	{
    	cout << arr1[i1] << " " ;
	}

	cout << endl ;
}



int main()
{
	int arr1[] = { 10, 20, 30 } ;
	function1( arr1 ) ;
	printArray( arr1, 3 ) ;
	return 0 ;

}