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Results tagged with np-hard
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user 46266
decision problems that are at least as hard as NP-complete problems
1
vote
1
answer
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Fastest way to find optimal graph coloring in polynomial space given chromatic number
Suppose I have a graph's chromatic number. Give a faster-than-brute-force polynomial-space algorithm for finding an optimal coloring.
If such an algorithm isn't known, please tell me so.
This question …
- 201
2
votes
1
answer
251
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How to find long trails in a multidigraph
I have a directed multigraph (a multigraph is a graph that can have more than one edge between any two nodes). In Wikipedia's terminology, this is a directed multigraph (edges without own identity). I …
- 201