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)
22592 2006 AIME II Problem 5
22591 2006 AIME II Problem 4
22590 2006 AIME II Problem 3
22589 2006 AIME II Problem 2
22588 2006 AIME II Problem 1
22587 2006 AIME I Problem 15
22586 2006 AIME I Problem 14
22585 2006 AIME I Problem 13
22584 2006 AIME I Problem 12
22583 2006 AIME I Problem 11
22582 2006 AIME I Problem 10
22581 2006 AIME I Problem 9
22580 2006 AIME I Problem 8
22579 2006 AIME I Problem 7
22578 2006 AIME I Problem 6
22577 2006 AIME I Problem 5
22576 2006 AIME I Problem 4
22575 2006 AIME I Problem 3
22574 2006 AIME I Problem 2
22573 2006 AIME I Problem 1
22572 2005 AIME II Problem 15
22571 2005 AIME II Problem 14
22570 2005 AIME II Problem 13
22569 2005 AIME II Problem 12
22568 2005 AIME II Problem 11
22567 2005 AIME II Problem 10
22566 2005 AIME II Problem 9
22565 2005 AIME II Problem 8
22564 2005 AIME II Problem 7
22563 2005 AIME II Problem 6
22562 2005 AIME II Problem 5
22561 2005 AIME II Problem 4
22560 2005 AIME II Problem 3
22559 2005 AIME II Problem 2
22558 2005 AIME II Problem 1
22557 2005 AIME I Problem 15
22556 2005 AIME I Problem 14
22555 2005 AIME I Problem 13
22554 2005 AIME I Problem 12
22553 2005 AIME I Problem 11
22552 2005 AIME I Problem 10
22551 2005 AIME I Problem 9
22550 2005 AIME I Problem 8
22549 2005 AIME I Problem 7
22548 2005 AIME I Problem 6
22547 2005 AIME I Problem 5
22546 2005 AIME I Problem 4
22545 2005 AIME I Problem 3
22544 2005 AIME I Problem 2
22543 2005 AIME I Problem 1
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