## `for demo go to https://ujjaldas132.github.io/tictactoe_web/`
In the game you are given a NxN grid , where 2<N<21
The player who is playing "X" always goes first. Players alternate placing Xs and Os on the board until either one player win or all the boxes are filled .
The goal of tic-tac-toe is to be the first player to filled K number of continuous boxes horizontally or vertically or diagonally .
but what willl be value of K
K=N for N<6
K=5 for N>5
