LeetCode 22: Generate Parentheses | C# Solution | Backtracking & Recursion

🔍 Dive into the classic #backtracking problem where we generate all valid combinations of n pairs of parentheses. #leetcode #csharp #recursion

⏱️ Time Complexity: O(4^n)
🗃️ Space Complexity: O(n) - Recursion stack depth

## 📋 Timestamps
00:00 - Understanding problem statement
00:36 - Using Backtracking
02:50 - Big O Notation explained
03:24 - C# solution walk-through
05:08 - Solution analysis - runtime + memory

## 🧠 Key Concepts Covered
- Backtracking algorithm
- Recursion with constraints
- String building optimization
- Catalan numbers in combinatorial problems
- Decision tree visualization

## 💡 Main Learning Points
- How to identify when to use backtracking
- Using opening/closing balance to make decisions
- Pruning invalid paths early
- C# string building techniques
- Identifying recursive patterns in combinatorial problems

## 🔗 Related Problems
- LeetCode 20: Valid Parentheses
- LeetCode 301: Remove Invalid Parentheses
- LeetCode 678: Valid Parenthesis String
- LeetCode 1249: Minimum Remove to Make Valid Parentheses

## 👥 Target Audience
This video is perfect for intermediate programmers preparing for coding interviews, C# developers looking to improve algorithm skills, and anyone interested in backtracking techniques.

## 📚 Prerequisites
- Basic C# knowledge
- Understanding of recursion
- Familiarity with string manipulation

## 🔗 Useful Links
- LeetCode problem: https://leetcode.com/problems/generate-parentheses/
- Solution code: https://shortenertool-qojxs-fa.azurewebsites.net/lc22
- Buy Me a Coffee: https://buymeacoffee.com/hgindra

## 🚀 Call to Action
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Видео LeetCode 22: Generate Parentheses | C# Solution | Backtracking & Recursion канала Code Scribbler