Here I share about my approaches that led me to clear interviews of top tier companies like Google off-campus, & get all the amazing opportunities. Get interview-ready with this course that has no prerequisites and is designed to make you an expert in solving easy to hard LeetCode problems with ease.
Curated by: Kunal Kushwaha (69 videos)
This is part 2 of the subset + string recursion series. Here we cover some important tips to permutation problems with #recursion. Take part in the learning in public initiative! Share your learnings on LinkedIn and Twitter with #DSAwithKunal & don't forget to tag us! 👉 Resources - Join Replit: http://join.replit.com/kunal-kushwaha - Complete Java DSA playlist: https://www.youtube.com/playlist?list=PL9gnSGHSqcnr_DxHsP7AW9ftq0AtAyYqJ - Code, Assignments, & Notes: https://github.com/kunal-kushwaha/DSA-Bootcamp-Java ➡️ Connect with me: http://kunalkushwaha.com ========================================= Timestamps: 00:00 Introduction 00:22 What is Permutation? 01:53 Permutation using Recursion 11:48 Code for Permutation 15:42 Returning output as an ArrayList 20:12 Counting Number of Permutations 24:35 Outro #placement #dsa #interviews