vector<double> x(n), xx(n);
    REP(i, n) {
        cin >> x[i];
        xx[i] = x[i];
    }

    sort(xx.begin(), xx.end());

    vector<double> rank_x(n);
    REP(i, n) {
        REP(j, n) {
            if (xx[i] == x[j]) {
                rank_x[j] = i + 1;
                break;
            }
        }
    }