MathCastle
GeometrySuperchallengePoints, Lines & Planes

Points, Lines & Planes · Superchallenge problem

Consider the 100100 points (x,y)(x, y) with x,y∈{0,1,2,…,9}x, y \in \{0, 1, 2, \ldots, 9\}. How many different values occur as the distance between two of these points?