MathDB
2012 points with integer distances in pairs

Source: 11th QEDMO p8 Seniors (6-8. 12. 2012) https://artofproblemsolving.com/community/c1512515_qedmo_200507

May 16, 2021
combinatorial geometrycombinatoricspoints

Problem Statement

Prove that there are 20122012 points in the plane, none of which are three on one straight line and in pairs have integer distances .