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USAMO
United States of America Mathematical Olympiad
The national olympiad of the USA. It had five problems until 1995 and six from 1996.
Organizer
MAA
First held
1972
Papers
Year
Place
Problems
2025
1
2
3
4
5
6
2024
1
2
3
4
5
6
2023
1
2
3
4
5
6
2022
1
2
3
4
5
6
2021
1
2
3
4
5
6
2020
1
2
3
4
5
6
2019
1
2
3
4
5
6
2018
1
2
3
4
5
6
2017
1
2
3
4
5
6
2016
1
2
3
4
5
6
2015
1
2
3
4
5
6
2014
1
2
3
4
5
6
2013
1
2
3
4
5
6
2012
1
2
3
4
5
6
2011
1
2
3
4
5
6
2010
1
2
3
4
5
6
2009
1
2
3
4
5
6
2008
1
2
3
4
5
6
2007
1
2
3
4
5
6
2006
1
2
3
4
5
6
2005
1
2
3
4
5
6
2004
1
2
3
4
5
6
2003
1
2
3
4
5
6
2002
1
2
3
4
5
6
2001
1
2
3
4
5
6
2000
1
2
3
4
5
6
1999
1
2
3
4
5
6
1998
1
2
3
4
5
6
1997
1
2
3
4
5
6
1996
1
2
3
4
5
6
1995
1
2
3
4
5
1994
1
2
3
4
5
1993
1
2
3
4
5
1992
1
2
3
4
5
1991
1
2
3
4
5
1990
1
2
3
4
5
1988
1
2
3
4
5
1987
1
2
3
4
5
1986
1
2
3
4
5
1985
1
2
3
4
5
1984
1
2
3
4
5
1983
1
2
3
4
5
1982
1
2
3
4
5
1981
1
2
3
4
5
1980
1
2
3
4
5
1979
1
2
3
4
5
1978
1
2
3
4
5
1977
1
2
3
4
5
1976
1
2
3
4
5
1975
1
2
3
4
5
1974
1
2
3
4
5
1973
1
2
3
4
5
1972
1
2
3
4
5