Given an undirected graph with integer edge labels and two nodes u and v, is it possible to calculate efficiently whether there's a simple path between u and v such that all labels are unique?
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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Simple path with unique labels. How to solve?
Revision en1, by kirjuri, 2023-04-05 17:56:42
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