src/graph/ds/eog/lib.hpp
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "../graph_c/lib.hpp" | ||
| 4 | |||
| 5 | namespace tifa_libs { | ||
| 6 | namespace eog_impl_ { | ||
| 7 | template <class T, class... Info> | ||
| 8 | class eog_tag : public graph_info_impl_::graph_tag_base<Info...> { | ||
| 9 | using base_t = graph_info_impl_::graph_tag_base<Info...>; | ||
| 10 | using ET = graph_info_impl_::E<T>; | ||
| 11 | struct iter_ { | ||
| 12 | vecp<ET, u32> CR e; | ||
| 13 | u32 i; | ||
| 14 | |||
| 15 | 3448509 | iter_(vecp<ET, u32> CR e, u32 i) NE : e(e), i(i) {} | |
| 16 | |||
| 17 | 1149503 | ND CEXP auto begin() CNE { return iter_{e, i}; } | |
| 18 | 1149503 | ND CEXP auto end() CNE { return iter_{e, -1_u32}; } | |
| 19 | |||
| 20 | 3075656 | CEXP auto operator*() CNE { return e[i].first; } | |
| 21 | 3075656 | CEXP iter_& operator++() NE { | |
| 22 | 3075656 | i = e[i].second; | |
| 23 | 3075656 | return *this; | |
| 24 | } | ||
| 25 | 4225159 | CEXP bool operator!=(iter_ const& r) CNE { return i != r.i; } | |
| 26 | }; | ||
| 27 | |||
| 28 | vecu head; | ||
| 29 | vecp<ET, u32> e{}; | ||
| 30 | |||
| 31 | protected: | ||
| 32 | using val_t = T; | ||
| 33 | 42 | CEXPE eog_tag(u32 n) NE : base_t(n), head(n, -1_u32) {} | |
| 34 | |||
| 35 | public: | ||
| 36 | 3075656 | CEXP void add_arc(u32 u, auto&&... args) NE { | |
| 37 | 3075656 | base_t::add_arc(u, std::forward<decltype(args)>(args)...); | |
| 38 | 3075656 | e.emplace_back(ET(std::forward<decltype(args)>(args)...), head[u]); | |
| 39 | 3075656 | head[u] = u32(e.size() - 1); | |
| 40 | 3075656 | } | |
| 41 | 63 | ND CEXP u32 vsize() CNE { return (u32)head.size(); } | |
| 42 | CEXP void build() CNE {} | ||
| 43 | CEXP void pop_startwith(u32 u) NE { base_t::del_arc(u, e[head[u]].first.to), head[u] = e[head[u]].second; } | ||
| 44 | |||
| 45 | 1149503 | CEXP auto operator[](u32 u) CNE { return iter_{e, head[u]}; } | |
| 46 | }; | ||
| 47 | } // namespace eog_impl_ | ||
| 48 | template <class Et = void, class... Info> | ||
| 49 | using eog = graph_impl_::graph<eog_impl_::eog_tag<Et, Info...>>; | ||
| 50 | |||
| 51 | } // namespace tifa_libs | ||
| 52 |