#include <stdio.h>
#include <string.h>
 
int main ( void )
{
  static int a = 10;
  static int b = 20;
  static int c = 10;
  static int d = 20;
  int *aa[2] = { &a, &b };
  int *ab[2] = { &c, &d };
 
  if ( memcmp ( aa, ab, 2 * sizeof ( int ) ) == 0 )
    puts ( "Equal" );
  else
    puts ( "Not equal" );
 
  return 0;
}

#include <iostream.h>
 
void main()
{	int a[50],b[50],i,n,g;
 
	cout<<"Give the number of elements of both vectors: "; cin>>n;
 
	for(i=1;i<=n;i++) { cout<<"a["<<i<<"]= "; cin>>a[i]; } 
 
	for(i=1;i<=n;i++) { cout<<"b["<<i<<"]= "; cin>>b[i]; } 
 
	g=1;
 
	while(g==1)
	{			
		for(i=1;i<=n;i++) 
 
			if(a[i]==b[i]) 
				g=1;
 
			else {
				g=0;
				break;
			}
 
 
		if(g==0)
			break;
		g++;
	}  
 
	if(g==0)
		cout<<"The arrays aren't equal!";
 
	else 
		cout<<"The arrays are equal!";
}

#include <iostream>
 
bool is_equal ( int a[], int b[], int size )
{
  for ( int i = 0; i < size; i++ ) {
    if ( a[i] != b[i] )
      return false;
  }
 
  return true;
}
 
int main()
{
  int a[] = {1,2,3,4,5,6,7,8,9};
  int b[] = {1,2,3,4,5,6,7,8,9};
 
  if ( is_equal ( a, b, 9 ) )
    std::cout<<"They're equal"<<std::endl;
  else
    std::cout<<"They're not equal"<<std::endl;
}