# C++ Programming Examples on Hard Graph Problems & Algorithms

This section covers C++ Programming Examples on Hard Graph Problems & Algorithms. Every example program includes the description of the program, C++ code as well as output of the program. Here is the listing of C++ programming examples:

**1. C++ Programming examples on “Clique”**

C++ Program to Find the Maximum Size Clique in a Graph C++ Program to Find a Clique by Using the Technique of the Most Dense Subgraph C++ Program to Find the Largest clique in a Planar Graph C++ Program to Solve the Decision Problem of Testing Whether a Graph Contains a Clique Larger than a Given Size C++ Program to Find a Maximum Weight Clique in a Weighted Graph C++ Program to Find All the Cliques of a Given Size k C++ Program to Find the Largest Independent Set in a Graph by Comravplements and Find the Clique of this Graph C++ Program to Find Independent Sets in a Graph by Graph Coloring C++ Program to Find the Maximum Independent Set of a Tree in Linear Time C++ Program to Find Size of the Largest Independent Set(LIS) in a Given a Binary Tree C++ Program to Find Size of the Largest Independent Set(LIS) in a Given an N-ary Tree |

**2. C++ Programming examples on “Vertex Cover”**

C++ Program to Implement a Heuristic to Find the Vertex Cover of a Graph C++ Program to Solve the Dominating Set Problem C++ Program to Check Whether a Vertex Cover of Size k Exists |

**3. C++ Programming examples on “Traveling Salesman Problem”**

C++ Program to Solve Travelling Salesman Problem for Unweighted Graph C++ Program to Implement Branch and Bound Method to Perform a Combinatorial Search C++ Program to Solve TSP Using Minimum Spanning Trees C++ Program to Solve TSP Using Incremental Insertion Method C++ Program to Find a k-Optimal Tour for TSP C++ Program to Implement Held-Karp Algorithm C++ Program to Implement Nearest Neighbour Algorithm C++ Program to Implement Traveling Salesman Problem using Nearest Neighbour Algorithm |

**4. C++ Programming examples on “Hamiltonian Cycle”**

C++ Program to Find Hamiltonian Cycle in an UnWeighted Graph C++ Program to Find the Longest Path in a DAG C++ Program to Check if a Given Graph must Contain Hamiltonian Cycle or Not C++ Program to Convert Hamiltonian Cycle into Path C++ Program to Check Whether a Hamiltonian Cycle or Path Exists in a Given Graph |

**5. C++ Programming examples on “Graph Partition”**

C++ Program to Find Minimum Number of Edges to Cut to make the Graph Disconnected C++ Program to Partition a Tree from a Given Element using DFS C++ Program to Find the Maximum Cut in a Graph C++ Program to Perform Spectral Partitioning of a Graph |

**6. C++ Programming examples on “Vertex Coloring”**

C++ Program to Perform Graph Coloring on Bipartite Graphs C++ Program to Check if a Given Graph is Bipartite C++ Program to Perform Edge Coloring of a Graph C++ Program to Use Color Interchange Method to Perform Vertex Coloring of Graph C++ Program to Demonstrate the Implementation of 4-Color Problem C++ Program to Perform Greedy Coloring |

**7. C++ Programming examples on “Edge Coloring”**

C++ Program to Implement the Vizing’s Theorem C++ Program to Find Chromatic Index of Cyclic Graphs C++ Program to Perform Edge Coloring on Complete Graph C++ Program to Perform Edge Coloring to the Line Graph of an Input Graph C++ Program to Find the Arboricity of a Graph C++ Program to Solve the Open Shop Scheduling Problem |

**8. C++ Programming examples on “Steiner Tree”**

C++ Program to Find the Steiner Tree of a Given Graph C++ Program to Apply Heuristic Based on Shortest Path to Find Steiner Tree C++ Program to Check if a Steiner Tree Size k Exists for a Graph |

**9. C++ Programming examples on “Feedback Edge/Vertex Set”**

C++ Program to Check Whether Graph is DAG C++ Program to Find a Good Feedback Edge Set in a Graph C++ Program to Find a Good Feedback Vertex Set |

If you want to learn implementations of all algorithms and programs in C++,

**Here’s the list of 1000 C++ Algorithms, Problems & Programming Examples.**