---
title: "Pratik Kumar (@pratik-kr) | Hashnode"
description: "Pratik Kumar (@pratik-kr) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@pratik-kr"
---

@pratik-kr

# Pratik Kumar

@pratik-kr · Joined September 2025

### [Introduction to Backtracking](https://backtracking.hashnode.dev/introduction-to-backtracking?utm_source=hashnode&utm_medium=feed)

Backtracking is “Recursion + Pass by Reference + Undoing the change after function call” Pseudo Code: void backtrackingFunction(...params){ if(invalid) return; if(valid){ ans.push(value); return; } --- Do the operatio...

1 min read · [backtracking.hashnode.dev](https://backtracking.hashnode.dev/introduction-to-backtracking?utm_source=hashnode&utm_medium=feed)

[Sep 18, 2025](https://hashnode.com/posts/introduction-to-backtracking/68cc5ea67a1ae8d2d88a3cab)