==code(c) |
void sift(Heap H, int N, int K) {
    int son;

    do {

        son = 0;

        // Alege un fiu mai mare ca tatal.
        if (left_son(K) <= N) {
            son = left_son(K);

            if (left_son(K) < N && H[right_son(K)] > H[left_son(K)])

            if (right_son(K) <= N && H[right_son(K)] > H[left_son(K)]) {

                son = right_son(K);

            }

            if (H[son] <= H[K]) {
                son = 0;
            }

        } else {
            son = 0;

        }
        if (son) {