Easy Bot

let dir = [[1, 0], [-1, 0], [0, 1], [0, -1]];
let myColor = -1;

fn pos_ok(x, y) {
    return x >= 0 && x < 50 && y >= 0 && y < 50;
}

fn move_to(w, x, y) {
    if (worker(w).x > x) { worker(w).move_left(); }
    else if (worker(w).x < x) { worker(w).move_right(); }
    else if (worker(w).y > y) { worker(w).move_down(); }
    else if (worker(w).y < y) { worker(w).move_up(); }
}

for w in 0..8 {
    let pos = [worker(w).x, worker(w).y];
    if (myColor == -1) { myColor = map[pos[0]][pos[1]]; }
    for move in dir {
        info(`move ${move}`);
        let x1 = pos[0] + move[0];
        let y1 = pos[1] + move[1];
        if (pos_ok(x1, y1) && map[x1][y1] != myColor) {
            move_to(w, x1, y1);
        }
    }

    info(`worker ${w} finished with x = ${worker(w).x} and y = ${worker(w).y}.`);
}