@apexinterviewerhq: This Amazon coding question might be worth a $250K offer. 🔥 You get a linked list where every node has a next pointer AND a random pointer. Make a deep copy. Comment your approach before you watch 👇 The problem: when you copy node 1, its random pointer needs a copy of node 3 that doesn't exist yet. The fix: two passes and a hash map. Pass 1 makes every copy. Pass 2 wires up the pointers. O(n). Practice questions like this on Apex Interviewer. Follow for more. #codinginterview #leetcode #amazon #softwareengineer #linkedlist

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Saturday 07 November 2026 06:47:29 GMT