---
title: "Discussion on \"30 Days of LeetCode: Day 8 - When Building on Previous Solutions Backfires\" | Hashnode"
description: "Discussion on \"30 Days of LeetCode: Day 8 - When Building on Previous Solutions Backfires\". Today's LeetCode challenge taught me an important lesson about pattern recognition: sometimes seeing similarities to a previous problem can lead you down the wrong path. While yesterday's stock trading problem and today's shared some characteristics,..."
url: "https://hashnode.com/posts/30-days-of-leetcode-day-8-when-building-on-previous-solutions-backfires/6789f0bd69aed951b09cfeb2"
---

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# [30 Days of LeetCode: Day 8 - When Building on Previous Solutions Backfires](https://programmingthestreets.hashnode.dev/30-days-of-leetcode-day-8-when-building-on-previous-solutions-backfires?utm_source=hashnode&utm_medium=feed)

Today's LeetCode challenge taught me an important lesson about pattern recognition: sometimes seeing similarities to a previous problem can lead you down the wrong path. While yesterday's stock trading problem and today's shared some characteristics,...

Jan 17, 2025 · 3 min read · programmingthestreets.hashnode.dev  
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## Written by

[Raphael Smith](https://hashnode.com/@ralphsmith)

@ralphsmith

  
[View profile](https://hashnode.com/@ralphsmith)

JavaScript Developer looking to give tech 'game' to the hoods of America!

Just a developer who wants to talk web programming like I'm sitting in a barbershop in East Atlanta. "Tech is the new trap!"

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