After pushing -2, 0, -3 and popping once, what is the minimum?
Practice this question from Min Stack - Auxiliary stack Pattern Practice Quiz, with options and an explanation.
Question
After pushing -2, 0, -3 and popping once, what is the minimum?
Option A
-3
Option B — Correct answer
-2
Option C
0
Option D
No minimum exists
Explanation
After removing -3, the minimum becomes -2.