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LeetCode 122 Best Time to Buy and Sell Stock II | C++ Solution | Greedy Approach | DSA

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In this video, I solve LeetCode 122 - Best Time to Buy and Sell Stock II, a popular stock trading problem that helps improve your understanding of arrays and greedy algorithms. The goal is to find the maximum profit by buying and selling stocks multiple times while holding at most one share at a time. I explain the logic behind the solution with a simple example and show how we can maximize profit by adding every positive price difference between consecutive days. Problem Link: https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/description/ Topics Covered: Arrays Greedy Algorithm Stock Buy and Sell Maximum Profit C++ Programming Data Structures and Algorithms LeetCode Problem Solving Time Complexity: O(n) Space Complexity: O(1) If you are preparing for coding interviews or improving your DSA skills, this problem is a great way to practice greedy thinking and optimize your solutions. Like the video, share your thoughts in the comments, and subscribe for more LeetCode and GFG problem solutions. Tags LeetCode 122, Best Time to Buy and Sell Stock II, LeetCode Solution, C++ Solution, Greedy Algorithm, Stock Buy and Sell, Maximum Profit, Array Problems, DSA, Data Structures and Algorithms, LeetCode Easy Problems, LeetCode Medium Problems, Coding Interview Preparation, Competitive Programming, Greedy Approach, Stock Trading Problem, C++ Programming, Algorithm Practice, LeetCode Problems, Programming Tutorial



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Added 17 Oct 2026

LeetCode 122 Best Time to Buy and Sell Stock II | C++ Solution | Greedy Approach | DSA — MarketVault

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