Two Sum Problem Explained 😊 | TWC 2.0 Episode 101 | Easy Interview Question Using HashMap

🚀 TWC 2.0 – TEQ Weekly Coding | Episode 101 In this video, we solve one of the most popular coding interview questions – Two Sum Problem. This is a must-know problem asked in top companies like Google, Amazon, and Facebook. 💡 If you're preparing for placements, coding interviews, or DSA basics, this problem is your starting point! 🧠 Problem Statement Given an array of integers nums and an integer target, return the indices of the two numbers such that they add up to the target. ⚙️ Concept Used Array Traversal HashMap (Optimized Approach) Time Complexity: O(n) Space Complexity: O(n) 📌 Example Input: nums = [2, 7, 11, 15], target = 9 Output: [0, 1] ✔️ Because nums[0] + nums[1] = 9 🎯 What You’ll Learn Brute Force vs Optimized Approach How HashMap improves efficiency Step-by-step logic explanation Interview-ready coding approach 💬 Engagement Did you solve this problem before watching? 🤔 👉 Comment your approach (Brute Force / HashMap) 📺 About T4TEQ Software Solutions T4TEQ Software Solutions is one of the best software training institutes in Trichy, helping students build strong careers in IT. We provide: ✅ Programming & Software Foundations ✅ Full Stack Development ✅ Data Science & AI Courses ✅ UI/UX & Design ✅ Placement Training & Real-time Projects 🎯 Our mission: Make students industry-ready with practical skills 🏢 Our Branches 📍 Puthur 📍 Thillai Nagar 📍 Kattur 📞 Contact: 8883076220 🌐 Website: t4teq.com 🎓 Why Choose T4TEQ? Industry-focused training Affordable course fees Real-time project experience Internship & placement support Strong student community 📱 Follow Us 📸 Instagram: https://instagram.com/t4teqsoftware ▶️ YouTube: Learn at T4TEQ 🔔 Call to Action 👍 Like this video 🔁 Share with friends 🔔 Subscribe for more coding problems 🏷️ Keywords two sum problem, two sum solution, dsa for beginners, coding interview questions, hashmap tutorial, array problems, easy dsa problems, t4teq coding, twc 2.0, placement preparation, python coding interview, java coding questions, google interview questions 🔥 Let’s code. Let’s grow. Let’s crack interviews with T4TEQ!