std::priority_queue：Heap Adapter | STL
本章覆盖：priority queue；max heap default；comparator；top；push；pop；default vector；`std::less`；min heap with `std::greater`；heap operations logarithmic；top constant；Dijkstra / Top-K / scheduler；不支持任意元素 erase / decrease-key 的设计限制。
本章知识点
- priority queue
- max heap default
- comparator
- top
- push
- pop
- default vector
std::less- min heap with
std::greater - heap operations logarithmic
- top constant
- Dijkstra / Top-K / scheduler
- 不支持任意元素 erase / decrease-key 的设计限制