Is there an error in the example?


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    P

    There are four transactions but in the example the transaction fee is only subtracted twice from the profits.

    Input: prices = [1, 3, 2, 8, 4, 9], fee = 2
    Output: 8
    Explanation: The maximum profit can be achieved by:
    Buying at prices[0] = 1
    Selling at prices[3] = 8
    Buying at prices[4] = 4
    Selling at prices[5] = 9
    The total profit is ((8 - 1) - 2) + ((9 - 4) - 2) = 8.

    Shouldn't it be:
    The total profit is ((8 - 2) - (1 + 2)) + ((9 - 2) - ( 4 + 2)) = 4. ??


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