diff options
Diffstat (limited to 'src/graph.h')
| -rw-r--r-- | src/graph.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/graph.h b/src/graph.h index 0f4d7ee..47dce16 100644 --- a/src/graph.h +++ b/src/graph.h @@ -1,6 +1,7 @@ #ifndef GRAPH_H #define GRAPH_H +#include <algorithm> #include <unordered_map> #include <unordered_set> #include <vector> @@ -12,6 +13,7 @@ public: void add_vertex(int vertex) { if (vertices_.find(vertex) == vertices_.end()) { vertices_.insert(vertex); + orderable_vertices_.push_back(vertex); graph_[vertex] = std::vector<int>(); } } @@ -23,8 +25,12 @@ public: has_out_edges_.insert(from); } - const std::unordered_set<int> & get_vertices() const { - return vertices_; + void sort_vertices() { + std::sort(orderable_vertices_.begin(), orderable_vertices_.end()); + } + + const std::vector<int> & get_vertices() const { + return orderable_vertices_; } const std::vector<int> & get_neighbors(int vertex) const { @@ -34,8 +40,10 @@ public: bool has_out_edges(int vertex) const { return has_out_edges_.count(vertex) > 0; } + private: std::unordered_set<int> vertices_; + std::vector<int> orderable_vertices_; std::unordered_map<int, std::vector<int>> graph_; std::unordered_set<int> has_out_edges_; }; |