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Solution: Implement Two Stacks Using One Array

Explore how to implement two stacks sharing one fixed-size array efficiently. Learn to perform push and pop operations in constant time without resizing the array. This lesson helps you master an important stack pattern often tested in C# coding interviews, improving your problem-solving skills.

Statement

Design a data structure TwoStacks, that represents two stacks using a single list, where both stacks share the same list for storing elements.

The following operations must be supported:

  • push1(value): Takes an integer value and inserts it into the first stack.

  • push2(value): Takes an integer value ...