function queensAttack(n, k, r_q, c_q, obstacles) {
    let canQueenGo = 0;
    const obs = new Set();
    obstacles.forEach(v => obs.add(`${v[0]},${v[1]}`));
    function doTheAttack(dirX,dirY) {
        let posX = r_q + dirX;
        let posY = c_q + dirY;
        while (posX <= n && posY <= n && posX > 0 && posY > 0) {
            if (obs.has(`${posX},${posY}`)) return;
            canQueenGo++;
            posX += dirX;
            posY += dirY;
        }
    }
    for (let directionX = -1; directionX <= 1; directionX++) {
        for (let directionY = -1; directionY <= 1; directionY++) {
            if (directionY === 0 && directionX === 0) {   
                continue;
            } else {
                doTheAttack(directionX, directionY)
            }
        }
    }
    return canQueenGo;
}