diff options
2 files changed, 0 insertions, 149 deletions
| -rw-r--r-- | Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.cpp | 97 | ||||
| -rw-r--r-- | Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.h | 52 |
diff --git a/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.cpp b/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.cpp deleted file mode 100644 index b5835f8..0000000 --- a/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.cpp +++ /dev/null @@ -1,97 +0,0 @@ -#include"MatrixGraph.h" - -using vertex_t = MatrixGraph::vertex_t; -using weight_t = MatrixGraph::weight_t; - -MatrixGraph::MatrixGraph(size_t v) { - data = std::vector<std::vector<weight_t>>(v, std::vector<weight_t>(v, 0)); -} - -bool MatrixGraph::validVertex(vertex_t v) const { - return v < data.size(); -} - -bool MatrixGraph::adjacent(vertex_t from, vertex_t to) const { - if(!validVertex(from) || !validVertex(to)) - throw "Invalid vertex"; - - return data[from][to] > 0; -} - -void MatrixGraph::addDirectedEdge(vertex_t from, vertex_t to, weight_t w) { - if(!validVertex(from) || !validVertex(to)) - throw "Invalid vertex"; - - data[from][to] = w; -} - -void MatrixGraph::addEdge(vertex_t from, vertex_t to, weight_t w) { - addDirectedEdge(from, to, w); - addDirectedEdge(to, from, w); -} - -void MatrixGraph::addVertex() { - for(auto& v : data) - v.push_back(0); - - data.push_back(std::vector<weight_t>()); -} - -void MatrixGraph::removeEdge(vertex_t from, vertex_t to) { - if(!validVertex(from) || !validVertex(to)) - throw "Invalid vertex"; - - data[from][to] = 0; -} - -void MatrixGraph::removeVertex(vertex_t v) { - if(!validVertex(v)) - throw "Invalid vertex"; - - data.erase(data.begin() + v); - - for(auto& vertex : data) - vertex.erase(vertex.begin() + v); -} - -weight_t MatrixGraph::getWeight(vertex_t from, vertex_t to) const { - if(!validVertex(from) || !validVertex(to)) - throw "Invalid vertex"; - - return data[from][to]; -} - -std::vector<vertex_t> MatrixGraph::getSuccessors(vertex_t from) const { - if(!validVertex(from)) - throw "Invalid vertex"; - - std::vector<vertex_t> result; - - for (size_t i = 0; i < data.size(); i++) - if(data[from][i] > 0) - result.push_back(i); - - return result; -} - -std::vector<vertex_t> MatrixGraph::getPredecessors(vertex_t from) const { - if(!validVertex(from)) - throw "Invalid vertex"; - - std::vector<vertex_t> result; - - for (size_t i = 0; i < data.size(); i++) - if(data[i][from] > 0) - result.push_back(i); - - return result; -} - -std::vector<vertex_t> MatrixGraph::adjacent(vertex_t from) const { - return getSuccessors(from); -} - - -size_t MatrixGraph::vertexCount() const { - return data.size(); -}
\ No newline at end of file diff --git a/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.h b/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.h deleted file mode 100644 index aade1a1..0000000 --- a/Seminar11/Graph-Impl/MatrixGraph/MatrixGraph.h +++ /dev/null @@ -1,52 +0,0 @@ -/* -Ориентиран тегловен граф представен чрез матрица на съседство. - -Плюсове: -* Лесна имплементация -* Проверка за ребро, премахване на ребро, добавяне на ребро са O(1) - -Минуси: -* Паметта винаги е O(|V|^2) -* Намирането на предшественици (наследници) или в неориентирания случай на съседи отнема O(|V|) време. - -weight_t => тип, чрез който представяме тежест -vertex_t => тип, чрез който представяме връх -*/ - -#ifndef GRAPH_IMPL_H -#define GRAPH_IMPL_H - -#include<vector> -#include<cstddef> - -class MatrixGraph { - public: - using vertex_t = unsigned int; - using weight_t = unsigned int; - - private: - std::vector<std::vector<weight_t>> data; - - public: - MatrixGraph(size_t); - - void addVertex(); - void removeVertex(vertex_t); - - void addDirectedEdge(vertex_t from, vertex_t to, weight_t w); - void addEdge(vertex_t from, vertex_t to, weight_t w); - void removeEdge(vertex_t from, vertex_t to); - - bool validVertex(vertex_t) const; - weight_t getWeight(vertex_t, vertex_t) const; - - size_t vertexCount() const; - bool adjacent(vertex_t from, vertex_t to) const; - - std::vector<vertex_t> getSuccessors(vertex_t) const; - std::vector<vertex_t> getPredecessors(vertex_t) const; - // Same as getSuccessors, here for interface purposes. - std::vector<vertex_t> adjacent(vertex_t) const; -}; - -#endif
\ No newline at end of file |
