hackathon: "tic tac toe binary"

#include <bits/stdc++.h>
using namespace std;
int board[3][3];

bool checkLine(int line) {
    bool ok = false;
    for (int col = 0; col < 3; col++) {
        ok |= board[line][0] == board[line][1] && board[line][1] == board[line][2] && board[line][0];
    }
    return ok;
}

bool checkCol(int col) {
    bool ok = false;
    for (int line = 0; line < 3; line++) {
        ok |= board[0][col] == board[1][col] && board[1][col] == board[2][col] && board[0][col];
    }
    return ok;
}

bool checkDiags() {
    bool ok = false;
    ok |= board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1];
    ok |= board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1];
    return ok;
}

signed main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int val, x, y;
        cin >> val >> x >> y;
        board[x - 1][y - 1] = val + 1;
    }
    bool ok = false;
    for (int line = 0; line < 3; line++) {
        ok |= checkLine(line);
    }
    for (int col = 0; col < 3; col++) {
        ok |= checkCol(col);
    }
    ok |= checkDiags();
    cout << (ok ? "yes" : "no") << endl;
    return 0;
}