For the given directed graph, which of the following sequences (ordered left to right) is a
topological sort?
0
1
2
O All of these are valid topological sorts.
? 0, 2, 1, 4, 3, 5
? 0, 2, 1, 3, 4, 5
0, 2, 4, 1, 3, 5
None of these is a valid topological sort.
3
5