LeetCode 198: House Robber | CSharp Solution | Dynamic Programming

📝 In this problem, we need to maximize the amount of money we can rob from houses without alerting the police by robbing adjacent houses. #dynamicprogramming #leetcode #csharp ⏱️ **Complexity** - Time Complexity: O(n) - Space Complexity: O(1) for optimized solution ⏰ **Timestamps** 00:00 - Understanding problem statement 00:59 - Brute force approach 02:26 - Brute force - Big O Notation 02:59 - Using Dynamic Programming 04:13 - DP - Dry run 06:02 - Big O Notation explained 06:45 - C# code walk-through 07:20 - Solution analysis - runtime + memory 07:27 - Conclusion 🔍 **Key Concepts** - Dynamic Programming - 1D Array Optimization - Space Optimization - Bottom-up Approach 💡 **Main Learning Points** - How to identify DP problems with non-adjacent element selection - Converting recursive solutions to iterative solutions - Optimizing DP solutions to use constant space - Handling edge cases efficiently in C# 🔗 **Related Problems** - LeetCode 213: House Robber II - LeetCode 337: House Robber III - LeetCode 740: Delete and Earn - LeetCode 1388: Pizza With 3n Slices 👥 **Target Audience** Software engineers preparing for coding interviews, C# developers, and computer science students interested in dynamic programming. 📚 **Prerequisites** - Basic C# knowledge - Understanding of arrays and loops - Familiarity with recursion concepts - Basic understanding of dynamic programming 🔗 **Links** - LeetCode problem: https://leetcode.com/problems/house-robber/ - Solution code: https://leetcode.com/problems/house-robber/solutions/6855378/dynamic-programming-solution-in-c-with-v-w4s6 💡 **Additional Tips** - Pay attention to the base cases (empty array, single element, two elements) - Notice how we can optimize from O(n) space to O(1) by keeping track of just two variables - This problem is a classic example of when to use dynamic programming for optimization problems 🚀 **Call to Action** If you found this solution helpful, please subscribe to my channel for more coding interview preparation videos! Share your questions or alternative solutions in the comments, and I'll be happy to discuss further approaches. #codinginterview #algorithms #csharp #dynamicprogramming #leetcode