Maybe I misundertand your question. If you can choose the squres or cubes, you can fill a large squre with small squares. And answer is the same for cube. Is there some limitations that I missed? |
have to use distinct sizes of squares |
1. Yes, and the sides can even be integers. 2. I don't know, but I guess it is NO. Otherwise it should have "+++++" rather than "+++". |
都能 。
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