Array Manipulation: "Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity."

Tree Traversal: "How would you implement an in-order traversal of a binary search tree? Write the code for it."

Graph Algorithms: "Explain Dijkstra's algorithm for finding the shortest path in a weighted graph. Can you provide a code implementation?"

Question

Array Manipulation: "Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity."

Tree Traversal: "How would you implement an in-order traversal of a binary search tree? Write the code for it."

Graph Algorithms: "Explain Dijkstra's algorithm for finding the shortest path in a weighted graph. Can you provide a code implementation?"

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