Solution: Min Stack
Understand how to implement a custom Min Stack class in C++ that allows pushing, popping, and obtaining the minimum element all in constant time. Explore using two stacks to track values and their minimums efficiently, while ensuring O(1) time complexity for all operations.
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Statement
Design a custom stack class, Min Stack, allowing us to push, pop, and retrieve the minimum value in constant time. Implement the following methods for Min Stack:
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Constructor: This initializes the Min Stack object.
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Pop(): This removes and returns from the stack the value that was most recently pushed onto it.
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Push(): This pushes the provided value onto the stack.
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Min Number(): This returns the minimum value in the stack in ...