gokul krishnan

implementation of min stack

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Problem Description: Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Operations: push(x) — Push element x onto the stack. pop() — Removes...

Add docstring and type hints to two_sum

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### Description This pull request adds a detailed docstring and type hints to the `two_sum` implementation in the arrays section. The changes improve code readability and maintainability while keeping the...

added merge interval problem on the array data structure

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This project/file contains a solution to the Merge Intervals problem, a common coding interview problem. Problem Statement: Given a collection of intervals, merge all overlapping intervals and return a list...