- Select the edge to be checked (it will turn blue).
- Click again on the same edge to add it to the MST (it will turn brown).
- Black edges are not visited yet.
- Select carefully: any wrong selection resets the graph.
- Click Reset to start over with the same graph.
- Click New Graph to start over with a new graph.
- Zoom or adjust the graph by dragging nodes as needed.
Edge Colors: Black = Not Visited, Blue = Edge being/has been checked, Brown = Edge added to MST.
Selected edges: