Two Sum LeetCode Solution | Full C++ Walkthrough 🔥

Two Sum is one of the most asked beginner coding interview questions — and the perfect starting point for mastering DSA & LeetCode. In this video, we solve the problem from scratch using the Brute Force approach and understand the logic behind every single line of code. If you're new to coding interviews, this is exactly where you should begin. 🚀 📚 In This Video You'll Learn ✅ How to understand the problem properly ✅ Real example walkthrough ✅ Brute Force approach explained simply ✅ Clean C++ implementation ✅ Step-by-step dry run ✅ Time & Space Complexity analysis ✅ Common beginner mistakes 🎯 Why This Problem Is Important Two Sum teaches the foundation of: • Arrays • Nested loops • Problem-solving mindset • Interview thinking • Optimization basics This is the first problem many companies expect beginners to solve confidently. 💻 Language Used C++ ⚡ Complexity Time Complexity → O(n²) Space Complexity → O(1) 🔗 Problem Link:- https://leetcode.com/problems/two-sum/ LeetCode Two Sum Problem 🌍 Connect With Me 💻 GitHub https://github.com/vedantxy 🏆 LeetCode https://leetcode.com/u/Vedant_2403/ 💼 LinkedIn https://www.linkedin.com/in/vedant-patel-3b6a4636a/ 🐦 Twitter / X https://x.com/VedantPate1601 🚀 Portfolio https://vedant-patel-developerportfolio.vercel.app If this video helped you, make sure to Like 👍 Subscribe 🔔 and comment the next LeetCode problem you want me to explain. #leetcode #twosum #cplusplus #dsa #codinginterview #algorithms #programming #competitiveprogramming #faang #cpp #arrays #beginners #problemsolving