Cosmin

#include <fstream>
using namespace std;
ifstream in("interclasare2.in");
ofstream out("interclasare2.out");
int main()
{
    unsigned int n, m, k = 0, i, j, c[200002];
    in >> n;
    unsigned int a[n];

    for ( i = 0; i < n; i++ )
        in >> a[i];

    in >> m;
    unsigned int  b[m];

    for ( j = 0; j < m; j++ )
        in >> b[i];

    k = 0;
    i = 0;
    j = 0;

    while ( i < ( n - 1 ) && j < ( m - 1 ) )
        while ( ( a[i] != b[j] ) && ( a[i + 1] != b[j] ) )
            if ( a[i] == b[j] )
            {
                c[++k] = a[i];
                i++;
                j++;
            }
            else
                j++;

    for ( i = 1; i <= k; i++ )
    {
        out << c[i];
        if ( i % 10 == 0 )
            out << "\n";
    }

    return 0;
}