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