#include <ctime>
#include <iostream>
#include <vector>
#include <algorithm>

using std::cout;
using std::vector;

template<typename T>
void print( const T& value )
{
    cout << value << " ";
}

int main()
{
    srand( unsigned( time( NULL ) ) );
    vector<int> vecI;
    
    for ( int i = 1; i <= 7; )
    {
        int num = rand() % 39 + 1;
        if ( find( vecI.begin(), vecI.end(), num ) == vecI.end() )
        {
            vecI.push_back( num );   
            ++i;
        }
    }
    
    sort( vecI.begin(), vecI.end() );
    for_each( vecI.begin(), vecI.end(), print<int> );
}