Over 20,000 problems available: AMC 8/10/12 and AIME problems from 2010-2024; USAJMO/USAMO problems from 2002-2024; USACO problems from 2014 to 2024 (all divisions); all Codeforces, AtCoder and DMOJ problems. If you leave the search field blank, it returns all problems with the specified type.

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  • AMC 8: [year] AMC 8 Problem #, Ex: 2013 AMC 8 Problem 1
  • AMC 10: [year] AMC 10A Problem # OR [year] AMC 10B Problem #, Ex: 2015 AMC 10A Problem 16
  • AMC 12: [year] AMC 12A Problem # OR [year] AMC 12B Problem #, Ex: 2021 AMC 12B Problem 25
  • AIME: [year] AIME I Problem # OR [year] AIME II Problem #, Ex: 2013 AIME I Problem 8
  • USAJMO/USAMO: [year] USAJMO/USAMO Problem #, Ex: 2023 USAJMO Problem 1
  • Codeforces: Codeforces [contest id (e.g. 101)][problem id (e.g. A, B, C)]: [Codeforces problem name], Ex: Codeforces 1336F: Journey
  • AtCoder: AtCoder [contest id (e.g. ABC314, ARC164, ZONE2021)]: [problem id (A, B, C)]. [Problem name], Ex: AtCoder ZONE2021: E. Sneaking
  • DMOJ: DMOJ [contest name (if applicable)] [problem number (e.g. P1)] - [Problem name], Ex: DMOJ Yet Another Contest 3 P1 - Shell Swap Scam
  • USACO: [year] [contest month (e.g. January, US Open)], [division (e.g. Gold)]: [Problem name], Ex: USACO 2023 US Open Contest, Bronze: Rotate and Shift

ID Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)
22792 2013 AIME I Problem 10
22791 2013 AIME I Problem 9
22790 2013 AIME I Problem 8
22789 2013 AIME I Problem 7
22788 2013 AIME I Problem 6
22787 2013 AIME I Problem 5
22786 2013 AIME I Problem 4
22785 2013 AIME I Problem 3
22784 2013 AIME I Problem 2
22783 2013 AIME I Problem 1
22782 2012 AIME II Problem 15
22781 2012 AIME II Problem 14
22780 2012 AIME II Problem 13
22779 2012 AIME II Problem 12
22778 2012 AIME II Problem 11
22777 2012 AIME II Problem 10
22776 2012 AIME II Problem 9
22775 2012 AIME II Problem 8
22774 2012 AIME II Problem 7
22773 2012 AIME II Problem 6
22772 2012 AIME II Problem 5
22771 2012 AIME II Problem 4
22770 2012 AIME II Problem 3
22769 2012 AIME II Problem 2
22768 2012 AIME II Problem 1
22767 2012 AIME I Problem 15
22766 2012 AIME I Problem 14
22765 2012 AIME I Problem 13
22764 2012 AIME I Problem 12
22763 2012 AIME I Problem 11
22762 2012 AIME I Problem 10
22761 2012 AIME I Problem 9
22760 2012 AIME I Problem 8
22759 2012 AIME I Problem 7
22758 2012 AIME I Problem 6
22757 2012 AIME I Problem 5
22756 2012 AIME I Problem 4
22755 2012 AIME I Problem 3
22754 2012 AIME I Problem 2
22753 2012 AIME I Problem 1
22752 2011 AIME II Problem 15
22751 2011 AIME II Problem 14
22750 2011 AIME II Problem 13
22749 2011 AIME II Problem 12
22748 2011 AIME II Problem 11
22747 2011 AIME II Problem 10
22746 2011 AIME II Problem 9
22745 2011 AIME II Problem 8
22744 2011 AIME II Problem 7
22743 2011 AIME II Problem 6
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