teacher gave each of her 37 students 36 pencils in different colors
Source: : Czech-Polish-Slovak Junior Match 2018, individual p3 CPSJ
February 1, 2020
Coloringcombinatorics
Problem Statement
The teacher gave each of her students pencils in different colors. It turned out that each pair of students received exactly one pencil of the same color. Determine the smallest possible number of different colors of pencils distributed.