m-chrzan.xyz
aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMarcin Chrzanowski <marcin.j.chrzanowski@gmail.com>2017-01-05 12:31:48 -0500
committerMarcin Chrzanowski <marcin.j.chrzanowski@gmail.com>2017-01-05 12:49:54 -0500
commit1eae1a29340986fa5b8fca99bd797806891a511f (patch)
tree1eecd4f6c185c6060bcb46f1db33554fec24215e
parent98844eccedfb84fac46c83d59a1298cce491f77b (diff)
Return vertices in a vector
-rw-r--r--src/graph.h12
-rw-r--r--src/parse.h1
2 files changed, 10 insertions, 3 deletions
diff --git a/src/graph.h b/src/graph.h
index f687ff3..47dce16 100644
--- a/src/graph.h
+++ b/src/graph.h
@@ -13,6 +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>();
}
}
@@ -24,8 +25,12 @@ public:
has_out_edges_.insert(from);
}
- const std::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 {
@@ -37,7 +42,8 @@ public:
}
private:
- std::set<int> vertices_;
+ 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_;
};
diff --git a/src/parse.h b/src/parse.h
index cb6e3c6..1d37083 100644
--- a/src/parse.h
+++ b/src/parse.h
@@ -14,6 +14,7 @@ public:
while (std::getline(input_file_, edge)) {
parse_edge_(edge);
}
+ graph_.sort_vertices();
}
const Graph & get_graph() {