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Minimum length cycle for each node in a directed graph
I recently came across a problem in SPOJ that asks the minimum length of the cycles starting at each node of the graph. For details: Link .
I solved it by considering each node as the root and found the minimum length cycle with BFS. You can find my code Here .
Now I'm wondering how it could be solved if there were 10^5 nodes instead of 2000. Any kind of help is appreciated.
