Method SegmentTree

src/core/impl/graph/swap/memory_swap.cpp:32–38

    PLS query_max() { return PLS(m_tree[1].max, m_tree[1].idx); }

    SegmentTree(size_t len) {
        auto segT_size = len * 8 + 1;
        m_len = len;
        m_tree = std::vector<NodeInfo>(segT_size);
        m_lzt = std::vector<long long>(segT_size);
        init(1, 1, len);
    }

    void init(int k, int l, int r) {
        m_lzt[k] = 0;