Amazon : LeetCode 121 | Best Time to Buy and Sell Stock

Опубликовано: 03 Июнь 2026
на канале: The Code Architect
155
8

00:35 Detailed Problem Explanation
02:20 : Solution Approach
04:25 : Code it up

You are given an array prices where prices[i] is the price of a given stock on the ith day.

You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock.

Return the maximum profit you can achieve from this transaction. If you cannot achieve any profit, return 0.

Example 1:

Input: prices = [7,1,5,3,6,4]
Output: 5
Explanation: Buy on day 2 (price = 1) and sell on day 5 (price = 6), profit = 6-1 = 5.
Note that buying on day 2 and selling on day 1 is not allowed because you must buy before you sell.

Link : https://leetcode.com/problems/best-ti...

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