Minhaz | Full Stack Developer on Instagram: "🔥 If you can solve these 7 LeetCode problems, you can crack ANY coding interview. Here are the KEY problems you MUST master: ✅ Two Sum ✅ Reverse Linked List ✅ Merge Intervals ✅ Longest Substring Without Repeat ✅ Level Order Traversal ✅ Top K Frequent Elements ✅ Number of Islands These cover Hashing, Pointers, Sliding Window, Greedy, Trees, Heaps, Graphs — everything top companies test. 🚀 Solve these + their variants and 80% of interview questions wi