📈 Best Time to Buy and Sell Stock | LeetCode | Swift Solution
Автор: DebuggingLife
Загружено: 2025-12-02
Просмотров: 105
Описание:
Problem Overview
Given an array of stock prices where prices[i] represents the price on day i, find the maximum profit by buying on one day and selling on a future day. If no profit is possible, return 0.
🎯 Solution Approach
In this video, I walk through solving this classic dynamic programming problem using Swift. The key insight is tracking the minimum price seen so far while calculating the maximum profit at each step.
Time Complexity: O(n) - Single pass through the array
Space Complexity: O(1) - Only using constant extra space
📝 Examples Covered
Example 1: prices = [7,1,5,3,6,4] → Output: 5
Example 2: prices = [7,6,4,3,1] → Output: 0
🔗 Resources
LeetCode Problem: https://leetcode.com/u/debugging-life/
My GitHub: https://github.com/debuging-life
💡 Key Concepts
#Swift #LeetCode #DSA #iOSDevelopment #CodingInterview #Algorithms #SwiftProgramming #TechInterview #FAANG #arrayproblems
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