Method apply

code/data-structures/segment_tree_node.cpp:12–12

  void update(ll v) { x = v; }
  void range_update(ll v) { lazy = v; }
  void apply() { x += lazy * (r - l + 1); lazy = 0; }
  void push(node &u) { u.lazy += lazy; } };
#endif
// vim: cc=60 ts=2 sts=2 sw=2: