Question:
Problem 1. Consider a set S of nk balls, each of which has
Last updated: 7/13/2022
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Problem 1. Consider a set S of nk balls, each of which has one of n distinct colors and one of n distinct diameters. Furthermore, there are exactly k balls of each color and exactly k balls of each diameter. Show that n balls can be selected such that every diameter and color appears in the final selection.