Copy List with Random Pointer - Leetcode 138 - Linked Lists (Python)

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Комментарии
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Master Data Structures & Algorithms For FREE at AlgoMap.io!

GregHogg
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Was able to do this in O(1) space complexity by pointing original node's next to new node. And we can go back and forth

TheResponsibleDude
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I was able to solve this one by myself but I like your solution a lot more, thanks for sharing!

christianjt
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why return old_to_new[head] hash map not the new_node you just create?

GarouNguyen