task 1

/*#include <iostream>

using namespace std;

void deleteMatrix ( int** matrix , int n )
{
    for ( int i=0 ; i<n ; i++ )
    {
        delete[] matrix[i];
    }
    delete[] matrix;
}

bool compareClms ( int** matrix , int N , int Iindex , int Jindex )
{
    for ( int i=0 ; i<N ; i++ )
    {
        if ( matrix[i][Iindex] != matrix[N-i][Jindex] )
        {
            return false;
        }
    }
    return true;
}

int main()
{
    int N,M;
    cout << " write the indexes of the matrix ";
    cin >> N >> M;
    int** matrix = new (nothrow) int* [N];
    if ( matrix != nullptr )
    {
        for ( int i=0 ; i<N ; i++ )
        {
            matrix[i] = new (nothrow) int[M];
            if ( matrix[i] == nullptr )
            {
                deleteMatrix(matrix,N);
            }
        }
        cout << " fill the matrix " << N << "X" << M << endl;
        for ( int i=0 ; i<N ; i++ )
        {
            for ( int j=0 ; j<M ; j++ )
            {
                cin >> matrix[i][j];
            }
        }
        int cntr = 0;
        for( int i=0 ; i<M ; i++ )
        {
            int j=M-i;
            if ( compareClms(matrix,N,i,j) )
            {
                cout << i << " " << j << endl;
                cntr ++ ;
            }
        }
        if ( cntr == 0 )
        {
            cout << " NO! " << endl;
        }


    }

    deleteMatrix(matrix,N);

    return 0;
}
*/
task 2
/*#include<iostream>

using namespace std;

bool compareHelper (unsigned int n1 ,unsigned int n2 )
{
    if ( n2 < 0 )
    {
        return false;
    }
    if ( n1 % 10 != n2 % 10 )
    {
       return compareHelper(n1,n2 /10);
    }
    else
    {
        return true;
    }
}

bool compare ( unsigned int num1,unsigned int num2 )
{
    if ( num1 < 10 && num2 && num1 == num2 )
    {
        return true;
    }
    if ( compareHelper(num1,num2) )
    {
       return compare(num1/10,num2);
    }
    else
    {
        return false;
    }

}

int main () {

    unsigned int num1,num2;
    cout << " write 2 numbers ";
    cin >> num1 >> num2;
    if( num1 > num2 )
    {
        swap(num1,num2);
    }
    if ( compare(num1,num2) )
    {
        cout << " yes ";
    }
    else
    {
        cout << " no ";
    }

}
*/