LeetCode was HARD until I Learned these 15 Patterns! 🚀✨

LeetCode 15 core problem-solving patterns

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If you’ve ever felt like LeetCode problems were an insurmountable mountain, you’re not alone. 😅 Many of us have stared at the screen, wondering if we’ll ever “get it.” But here’s the good news: mastering 15 core problem-solving patterns can turn frustration into clarity! Let me share how these patterns changed my approach and boosted my confidence. 🙌

The Struggle is Real 🧗‍♂️

When I started solving coding problems, I felt overwhelmed by their diversity. Each problem seemed like a puzzle without a clear starting point. Sound familiar? 🤔

But then, I discovered that most coding challenges fall into specific patterns. Once I identified them, my perspective shifted dramatically. Instead of starting from scratch with every problem, I had a toolkit of strategies ready to go. 💡

15 Patterns That Unlock Success 🔓

Here’s a breakdown of the patterns that transformed my LeetCode journey:

1. Sliding Window 🪟
   Efficiently solve problems involving contiguous subarrays or substrings (e.g., max/min sum).
2. Two Pointers 🧭
   Simplify array and string problems by moving two pointers…