Grokking 75: Top Coding Interview Questions
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Implementing Stack Data Structure
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Stacks are a Last-In, First-Out (LIFO) data structure that supports four main operations: Push, Pop, Peek (Top), and IsEmpty. In this lesson, we will first explain these operations in detail and then implement a stack using arrays and linked lists.

1. Stack Operations

1.1 Push Operation (Adding an Element to the Stack)

The Push operation adds an element to the top of the stack. If the stack is full (for a fixed-size array implementation), it results in a stack overflow error.

Steps for Push Operation:

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