#include <iostream>
#include <fstream>
#include <stdio.h>

using namespace std;
int global[5] ;

//int[]
void function1()
{
//	return global ;
}

void function2( int x1[]  )
{
	x1[0] = 100 ;
	//return global ;
}


int main()
{
		int array1[] = { 1, 2 } ;
		int array2[] = {2, 4} ;
		//array1 = array2 ;
		//int array3[] ;
		function2( array1 )  ;
		cout << array1[0] << endl ;
		return(0) ;
}