You will be given a list of stock prices for a day and your goal is to return the maximum profit that could have been made by buying a stock at the given price and then selling the stock later on.
For example, if the input is [45, 24, 35, 31, 40, 38, 11] then the maximum profit is 16 because if you bought the stock at $24 and sold it at $40, a profit of $16 was made and this is the largest profit that could be made.
maxStockProfit(prices) should return the maximum possible profit depending on the prices values.
There are some conditions:
- if no profit could have been made, return
-1.- a maximum profit of
0is treated as any other maximum profit value.- you can only sell a stock after you have bought it.
Example:
maxStockProfit([10, 18, 4, 5, 9, 6, 16, 12]) // 12