#include
#include
using namespace std;
int main()
{
const int SIZE1 = 10, SIZE2 = 5, SIZE3 = 20;
int a1[ SIZE1 ] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int a2[ SIZE2 ] = { 4, 5, 6, 7, 8 };
int a3[ SIZE2 ] = { 4, 5, 6, 11, 15 };
if ( includes( a1, a1 + SIZE1, a2, a2 + SIZE2 ) )
cout << "\na1 includes a2";
else
cout << "\na1 does not include a2";
if ( includes( a1, a1 + SIZE1, a3, a3 + SIZE2 ) )
cout << "\na1 includes a3";
else
cout << "\na1 does not include a3";
int difference[ SIZE1 ];
int *ptr = set_difference( a1, a1 + SIZE1, a2, a2 + SIZE2, difference );
int intersection[ SIZE1 ];
ptr = set_intersection( a1, a1 + SIZE1, a2, a2 + SIZE2, intersection );
int symmetric_difference[ SIZE1 ];
ptr = set_symmetric_difference( a1, a1 + SIZE1,a2, a2 + SIZE2, symmetric_difference );
int unionSet[ SIZE3 ];
ptr = set_union( a1, a1 + SIZE1, a3, a3 + SIZE2, unionSet );
return 0;
}