Challenge: Reverse First k Elements of Queue
Explore how to reverse the first k elements of a queue in JavaScript while handling edge cases like invalid k values and empty queues. This lesson helps you implement queue manipulation with clear constraints, deepening your understanding of stack and queue operations for coding interviews.
We'll cover the following...
We'll cover the following...
Statement
Given a queue and a number k, reverse the order of the first k elements in queue. If k is less than , if k exceeds queue size, or if queue is empty, return NULL. Otherwise, return the modified queue.
Constraints:
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queue.length