C Sharp (C#) - Collections
You have a Queue with elements 1, 2, 3, 4 in that order. You want to reverse the order using a Stack. Which sequence of operations correctly reverses the queue?
You have a Queue with elements 1, 2, 3, 4 in that order. You want to reverse the order using a Stack. Which sequence of operations correctly reverses the queue?
hard🚀 Application Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Move items from Queue to Stack
Dequeue removes items from Queue in FIFO order; pushing them onto Stack reverses order due to LIFO.Step 2: Move items back from Stack to Queue
Popping from Stack gives reversed order; Enqueue adds them back to Queue in reversed order.Final Answer:
Dequeue all items from Queue and Push them onto Stack, then Pop all from Stack and Enqueue back to Queue -> Option DQuick Check:
Queue reversed by Queue->Stack->Queue [OK]
Quick Trick: Use Stack to reverse Queue by dequeue-push then pop-enqueue [OK]
Common Mistakes:
MISTAKES- Trying to push directly from Queue
- Using wrong methods like Pop on Queue
Master "Collections" in C Sharp (C#)
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