FIRE - Tram #3
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FIRE - Tram #3
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CheezItMan
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May 20, 2021
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| # Time complexity:O(n) - visiting each node in the graph once, searching in sets is O(1) | ||
| # Space complexity: O(n) - the sets can be filled up based on the content of the dislikes | ||
| require 'set' | ||
| def possible_bipartition(dislikes) |
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👍 For time complexity you're also checking every edge for every node so this is O(N + E)
| def possible_bipartition(dislikes) | ||
| raise NotImplementedError, "possible_bipartition isn't implemented yet" | ||
| return true if dislikes.empty? | ||
| group_a, group_b, blocked_a, blocked_b = Set.new, Set.new, Set.new, Set.new |
| queue = [ 0 ] | ||
| queue << 1 if dislikes[0].empty? | ||
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|
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| until queue.empty? |
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