#121

Best Time to Buy and Sell Stock

easy· Sliding Windowruns: 0

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. If you cannot achieve any profit, return 0.

wpm 0acc 100%time 0:000 / 281

class Solution:
    def maxProfit(self, prices: list[int]) -> int:
        min_price = prices[0]
        max_profit = 0
        for price in prices:
            min_price = min(min_price, price)
            max_profit = max(max_profit, price - min_price)
        return max_profit

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