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Introduction: Welcome to Day 9 of my 90 Days DSA Challenge! Today, I focused on refining recursive logic and enhancing validation techniques. I tackled two essential binary tree problems using recursion and revisited the classic Valid Sudoku problem....

Welcome back, tech enthusiasts! On Day 7 of the 90 Days DSA Challenge, I explored a mix of Binary Tree Traversals and a String pattern search problem, and revised two previously covered Linked List problems. This blend of problems gave me a chance to...

IAM Programmatic access In order to access your AWS account from a terminal or system, you can use AWS Access keys and AWS Secret Access keys. AWS CLI The AWS Command Line Interface (AWS CLI) is a unified tool to manage your AWS services. With just o...

Write a bash script createDirectories.sh that when the script is executed with three given arguments (one is directory name and second is start number of directories and third is the end number of directories ) it creates specified number of director...
