board.cpp

#include "iostream"
using namespace std;
int board[3][3];
int moved=1;
int moves=0;
int checkwin()
{
    int winner=0;
    for (int i=0;i<3;i++)
    {
        if (board[0][i]==board[1][i] and board[1][i]==board[2][i] and board[0][i]!=0)
            winner = board[0][i];
        if (board[i][0]==board[i][1] and board[i][1]==board[i][2] and board[i][0]!=0)
            winner = board[i][0];
    }
    if (board[0][0]==board[1][1] and board[1][1]==board[2][2] and board[0][0]!=0)
        winner = board[0][0];
    if (board[2][0]==board[1][1] and board[1][1]==board[0][2] and board[2][0]!=0)
        winner = board[2][0];
    return winner;
}
void checkboard()
{
    for (int i=0;i<3;i++)
    {
        for (int i1:board[i])
        {
            cout<<i1<<" ";
        }
        cout<<endl;
    }
    cout<<endl;
}
int checkpos(int x, int y)
{
    if (board[y][x]==0)
    {
        moves++;
        board[y][x]=moved;
        moved=1+moved%2;
        int win = checkwin();
        //checkboard();
        if (win!=0)
            return win*10;
        if (win==0 and moves==9)
            return -1;
        return board[y][x];
    }
    else
        return 0;
}
int main()
{
    checkpos(1,2);
    checkboard();
}