| An undirected graph (edge list): | |
| (0,1) (1,4) (4,0) (2,5) | |
| Total number of components: 3 | |
| Vertex 0 is in the component who's representative is 1 | |
| Vertex 1 is in the component who's representative is 1 | |
| Vertex 2 is in the component who's representative is 5 | |
| Vertex 3 is in the component who's representative is 3 | |
| Vertex 4 is in the component who's representative is 1 | |
| Vertex 5 is in the component who's representative is 5 | |
| component 0 contains: 4 1 0 | |
| component 1 contains: 3 | |
| component 2 contains: 5 2 |