MathDB
Problems
Contests
National and Regional Contests
Thailand Contests
Thailand TST Selection Test
2024 Thailand October Camp
5
5
Part of
2024 Thailand October Camp
Problems
(1)
Points on plane
Source: Thailand TSTST 2024 P11
7/18/2024
Find the maximal number of points, such that there exist a configuration of
2023
2023
2023
lines on the plane, with each lines pass at least
2
2
2
points.
combinatorics
induction