Are You an Excellent Boy?
Source: 1995 National High School Mathematics League, Exam One, Problem 3
March 2, 2020
Problem Statement
If a person A is taller or heavier than another peoson B, then we note that A is not worse than B. In 100 persons, if someone is not worse than other 99 people, we call him excellent boy. What's the maximum value of the number of excellent boys?