Test your reaction time
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At the elevator entrances on each floor from the first to the tenth, there is a diamond, with varying sizes. You take the elevator from the first floor to the tenth floor; the elevator doors open once at each floor, and you can pick up a diamond only once. How can you get the largest diamond?
It’s not that simple... First, go from the first floor to the tenth floor; each time you open a door, check the size and remember which floor has the largest one. Then go down from the tenth floor by elevator and just get it from that floor!
Take the one from the top layer first; if the second layer is larger than the first, then replace it with another one； If it’s small, then don’t replace it... and so on; you will definitely end up with the largest one.
Start from the first floor to the tenth floor; each time you open a door, check to see which one is the largest, and remember which floor has the biggest one. Then go down from the tenth floor by elevator and just go to that floor to get it!
Take them all; you can’t go wrong!
If you can only take one item, then don’t use the elevator – go up the stairs instead. If you can take all of them, then take them all
I couldn’t see the entire question for ls. It’s similar to a certain story. . . . . . . . . . . . . . . . .
Open it just once, and take one. I think it’s the biggest one!
Take the first one; close your eyes when the elevator doors open later
:Lol, the comment above is more fun; this method works~
So it can be replaced after all, that makes things much easier