Early problem sets are postscript files.
1991 Contest
1992 Contest
1993 Contest
1994 Contest
1995 Contest Contest results for 1995.
1996 Contest Contest results for 1996.
1997 Contest Contest results for 1997.
1998 Contest Contest results for 1998.
1999 Contest Contest results for 1999. Judged data.
2000 Contest Contest results for 2000. Judged data.
2001 Contest Contest results for 2001. Judged data.
Revised problems for the 2002 Contest Contest results for 2002. Judged data.
Revised problems for the 2003 Contest (pdf) Contest results for 2003. Judged data.
Revised problems for the 2004 Contest (pdf) Contest results for 2004. Judged data.
Revised problems for the 2005 Contest (pdf) Contest results for 2005. Judged data.
Revised problems for the 2006 Contest (pdf) Contest results for 2006. Judged data.
Revised problems for the 2007 Contest (pdf) Contest results for 2007. Judged data. Judged output.
Revised problems for the 2009 Contest (pdf) Contest results for 2009. Judged data. Judged output.
Revised problems for the 2010 Contest (pdf) Contest results for 2010. Judged data. Judged output.
Revised problems for the 2011 Contest (pdf) Contest results for 2011. Judged data. Judged output.
Revised problems for the 2012 Contest (pdf) Contest results for 2012. Judged data. Judged output.
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