ZYB has a so-called smart brain: He can always point out the keypoint in a complex problem. There are two parallel lines AB and CD in a plane. A,B,C,D{A,B,C,D}A,B,C,Dare all distinct points. You only know theEuclidean DistancesbetweenAC,AD,BC,BD{AC,AD,BC,BD}AC,AD,BC,BD.but you don't know the exact order of points. . Could you determine the order of points quickly, like the ZYB does?
ZYB has a so-called smart brain: He can always point out the keypoint in a complex problem. There are two parallel lines AB and CD in a plane. A,B,C,D{A,B,C,D}A,B,C,D are all distinct points. You only know the Euclidean Distances between AC,AD,BC,BD{AC,AD,BC,BD}AC,AD,BC,BD. but you don't know the exact order of points. (i.e. You don't know whether it's AB∥CDAB parallel CDAB∥CD or AB∥DCAB parallel DCAB∥DC). Could you determine the order of points quickly, like the ZYB does?
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