04. Reverse a Stack
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The problem can be found at the following link:
To reverse the stack, we can use an auxiliary queue to store the elements temporarily. Here's the step-by-step approach:
Create a temporary queue.
Pop each element from the given stack and push it into the temporary queue.
Pop each element from the temporary queue and push it back into the original stack.
Time Complexity: O(N)
where N
is the number of elements in the stack.
Auxiliary Space Complexity: O(N)
where N
is the number of elements in the stack.
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