Visa Inc. Interview Question
How would you check that a LinkedList has a loop?
Interview Answer
Anonymous
Jan 21, 2016
Non-algorithmic solution is to use a HashSet. Algorithmic solution is to use two runner nodes at different traversal speeds.
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How would you check that a LinkedList has a loop?
Anonymous
Non-algorithmic solution is to use a HashSet. Algorithmic solution is to use two runner nodes at different traversal speeds.
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