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Lê Quốc Trần Anh Coordinator

26/07/2018 at 01:39
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You are asked to move several boxes. You know nothing about the boxes except that each box weighs no more than 10 tons and their total weight is 100 tons. You can rent several trucks, each of which can carry no more than 30 tons. What is the minimum number of trucks you can rent to to ensure that all the boxes can be carried at once?


IJMO

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    Tôn Thất Khắc Trịnh 27/07/2018 at 04:42

    ARGH, this hurts my head. So... we know the maximum weight, but we don't know the minimum weight so it is quite challenging...
    I think we need at least 4 trucks to carry these, but it's just my guess.
    Since you can just chuck as much as you can on the first three trucks, and the rest can be chucked onto the fourth one, because any problems you may encounter can be solved easily by shuffling the boxes around from one truck to another.



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