marking points on a circle, venn configuration
Source: Yugoslav TST 1979 P3
May 30, 2021
geometrycombinatorics
Problem Statement
There are two circles of perimeter . Let points be marked on the first circle, and several arcs with the total length of on the second. Show that it is possible to place the second circle onto the first in such a way that none of the marked points is covered by a marked arc.