1243 - Polynomial-time Reductions

All about problems in Volume 12. If there is a thread about your problem, please use it. If not, create one with its number in the subject.

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Repon kumar Roy
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Re: 1243 - Polynomial-time Reductions

Post by Repon kumar Roy » Fri Nov 06, 2015 6:25 pm

Hints :
1. Convert into DAG by calculating SCC
2. In the dag, Build a new graph using all possible edges
3. Now remove the redundant edges
The third step is tricky. Takes O(m*n)

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