Squares of a Sorted Array in C+++ | LeetCode 977 | Two Pointer Approach Explained скачать в хорошем качестве

Squares of a Sorted Array in C+++ | LeetCode 977 | Two Pointer Approach Explained

In this video, we solve LeetCode 977 – Squares of a Sorted Array using the powerful Two Pointer technique. You’ll learn: ✅ Why the naive sorting approach is not optimal ✅ The key observation about negative numbers ✅ How to use left and right pointers correctly ✅ Step-by-step dry run with example ✅ Time and space complexity analysis This is one of the most important beginner-friendly problems to understand the Two Pointer Pattern, frequently asked in coding interviews. 📌 Problem Summary Given a sorted array of integers (which may include negative numbers), return an array of the squares of each number sorted in non-decreasing order. Example: Input: [-4, -1, 0, 3, 10] Output: [0, 1, 9, 16, 100] 💡 Concepts Covered Two Pointer Technique Array Manipulation Interview Pattern Recognition Optimized O(n) Solution