Best Time to Buy and Sell Stock · Coding Interview Practice

Best Time to Buy and Sell StockGiven daily prices, return the maximum profit from buying on one day and selling on a later day. Return 0 if no profit is possible.Constraints

1 <= prices.length <= 10^5

0 <= prices[i] <= 10^4

Examples

Input: prices = [7,1,5,3,6,4] Output: 5

Input: prices = [7,6,4,3,1] Output: 0

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