TOT 304 1991 Autumn A J1 32 knights and their servants
Source:
June 9, 2024
combinatoricsnumber theory
Problem Statement
knights live in a kingdom. Some of them are servants of others. A servant may have only one master and any master is more wealthy than any of his servants. A knight having not less than servants is called a baron. What is the maximum number of barons? (The kingdom is ruled by the law: “My servant’s servant is not my servant”. (A. Tolpygo, Kiev)