---
title: "NITIN AHIRWAL (@nitinahirwal) | Hashnode"
description: "Full Stack Developer. Read the latest articles by NITIN AHIRWAL on Hashnode."
url: "https://hashnode.com/@nitinahirwal"
---

@nitinahirwal

# NITIN AHIRWAL

@nitinahirwal · Joined February 2023

Full Stack Developer

### [🚀 LeetCode Challenge (Day 4): Design Spreadsheet Problem](https://nitinahirwal.hashnode.dev/leetcode-challenge-day-4-design-spreadsheet-problem?utm_source=hashnode&utm_medium=feed)

Today’s LeetCode problem was quite unique — instead of the usual algorithms or data structures, I had to simulate a mini spreadsheet system, something like a simplified version of Excel or Google Sheets. At first glance, it looked simple. But as with...

2 min read · [nitinahirwal.hashnode.dev](https://nitinahirwal.hashnode.dev/leetcode-challenge-day-4-design-spreadsheet-problem?utm_source=hashnode&utm_medium=feed)

[Sep 19, 2025](https://hashnode.com/posts/leetcode-challenge-day-4-design-spreadsheet-problem/68cd555bebc0d959d789d673)

### [My first impression of web3.](https://nitinahirwal.hashnode.dev/my-first-impression-of-web3?utm_source=hashnode&utm_medium=feed)

Web3 is an umbrella term for a new decentralized web that aims to give users more control over their online data and identity. My first impression of Web3 is often one of excitement about its potential to create a more equitable and secure online eco...

1 min read · [nitinahirwal.hashnode.dev](https://nitinahirwal.hashnode.dev/my-first-impression-of-web3?utm_source=hashnode&utm_medium=feed)

[Feb 2, 2023](https://hashnode.com/posts/my-first-impression-of-web3/63db73c61ccad1dfb8c4bf86)