Best Time to Buy and Sell Stock

EasyAcceptance: 54.2%

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.

Examples:

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.

Constraints:

  • 1 <= prices.length <= 105
  • 0 <= prices[i] <= 104
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