Buy and stock ||| pls explain this

#1

cant’t undertand this problem

#2

hi @divisharoy14_5d0aa86c37c6588a,
you have to sell 2 stocks one after another and make maximum profit.
You are given an array price where prices[i] denotes the price of a stock on the ith day. You want to maximize the profit by buying a stock and then selling it at a higher price.

Suppose you can do at most two transactions (two buys and two sells), what is the maximum profit that you can make?

Note:

  • Return 0 if you cannot make a profit.
  • You cannot buy/hold more than 1 stock at a time.
  • You need to sell a stock before buying again.
  • You can sell a stock and buy it again on the same day.
#3

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