Best Time to Buy and Sell Stock | Optimal Approach Explained | LeetCode 121 | Java
In this video, we solve the Best Time to Buy and Sell Stock (LeetCode 121) problem using the Optimal Approach .
In this video, you'll learn:
The intuition behind the optimal solution
How to track the minimum buying price
How to maximize profit efficiently
Time and Space Complexity analysis
Java implementation with a dry run
Problem Link:
https://leetcode.com/problems/best-ti...
Approach:
Traverse the array once while keeping track of the minimum price seen so far.
At each step, calculate the profit and update the maximum profit.
Complexity:
Time Complexity: O(N)
Space Complexity: O(1)
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