chessTable

#include <iostream>

int main()
{
    const int chessBoardCells = 8;
    int cellColor=0; //start with white cell color
    int cellSize=3;
    std::cout<<"Enter cell size: ";
    std::cin>>cellSize;
    std::cout<<'\n';
    for (int y=0; y<cellSize*chessBoardCells; y++)
    {
        if ( y%cellSize == 0) {cellColor=!cellColor;};
        for (int x=0; x<cellSize*chessBoardCells; x++)
        {
            if ( x%cellSize == 0) {cellColor=!cellColor;};
            std::cout << (cellColor ? "  " : "##");
        }
        std::cout<<'\n';
    }
}