In this video, we solve LeetCode 3066: Minimum Operations to Exceed Threshold Value II step by step. 🚀
🔹 Problem Statement:
Given an array nums and an integer k, we must perform operations to ensure all elements are ≥ k. In each operation, we take the two smallest numbers, merge them using the formula: new value=min(x,y)×2+max(x,y)
and insert it back. We return the minimum number of operations needed.
🔹 What You’ll Learn in This Video:
✅ Understanding the problem statement with examples
✅ Explaining priority queue (min-heap) and why it’s efficient
✅ Step-by-step dry run of the problem
✅ Optimized C++ solution with time & space complexity analysis
✅ Why priority queue is the best approach for this problem
💻 C++ Code Solution: https://codebeautify.org/alleditor/y25a4b1ae
🔹 Time Complexity: O(n log n)
🔹 Space Complexity: O(n)
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LeetCode 3066 | Minimum Operations to Exceed Threshold Value II | Priority Queue | LeetCode Daily | NatokHD