作者简介
Richard Rusczyk is the founder of the Art of Problem Solving website and is the author or co-author of 6 Art of Problem Solving textbooks. He was a national MATHCOUNTS participant in 1985, a three-time participant in the Math Olympiad Summer Program, a perfect AIME scorer in 1989, and a USA Mathematical Olympiad winner.Mathew Crawford is the founder and CEO of MIST Academy, a school for gifted students, in Birmingham, Alabama. He is a former instructor and curriculum developer for the Art of Problem Solving online school. He is author of Art of Problem Solving's Introduction to Number Theory textbook, and served on the Board of Directors of the Art of Problem Solving Foundation. Crawford was a perfect scorer at the national MATHCOUNTS competition in 1990, and a member of the national championship team (Alabama) in 1991. He was a 3-time invitee to the Math Olympiad Summer Program, a perfect scorer on the AIME, and a 2-time USA Math Olympiad honorable mention.
The solutions are co-authored by Naoki Sato. He is a curriculum developer and the director of WOOT at Art of Problem Solving. He won first place in the 1993 Canadian Mathematical Olympiad and is a 2-time medalist at the International Mathematical Olympiad. He has been Deputy Leader of the Canadian IMO team three times.
