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)
22542 2004 AIME II Problem 15
22541 2004 AIME II Problem 14
22540 2004 AIME II Problem 13
22539 2004 AIME II Problem 12
22538 2004 AIME II Problem 11
22537 2004 AIME II Problem 10
22536 2004 AIME II Problem 9
22535 2004 AIME II Problem 8
22534 2004 AIME II Problem 7
22533 2004 AIME II Problem 6
22532 2004 AIME II Problem 5
22531 2004 AIME II Problem 4
22530 2004 AIME II Problem 3
22529 2004 AIME II Problem 2
22528 2004 AIME II Problem 1
22527 2004 AIME I Problem 15
22526 2004 AIME I Problem 14
22525 2004 AIME I Problem 13
22524 2004 AIME I Problem 12
22523 2004 AIME I Problem 11
22522 2004 AIME I Problem 10
22521 2004 AIME I Problem 9
22520 2004 AIME I Problem 8
22519 2004 AIME I Problem 7
22518 2004 AIME I Problem 6
22517 2004 AIME I Problem 5
22516 2004 AIME I Problem 4
22515 2004 AIME I Problem 3
22514 2004 AIME I Problem 2
22513 2004 AIME I Problem 1
22512 2003 AIME II Problem 15
22511 2003 AIME II Problem 14
22510 2003 AIME II Problem 13
22509 2003 AIME II Problem 12
22508 2003 AIME II Problem 11
22507 2003 AIME II Problem 10
22506 2003 AIME II Problem 9
22505 2003 AIME II Problem 8
22504 2003 AIME II Problem 7
22503 2003 AIME II Problem 6
22502 2003 AIME II Problem 5
22501 2003 AIME II Problem 4
22500 2003 AIME II Problem 3
22499 2003 AIME II Problem 2
22498 2003 AIME II Problem 1
22497 2003 AIME I Problem 15
22496 2003 AIME I Problem 14
22495 2003 AIME I Problem 13
22494 2003 AIME I Problem 12
22493 2003 AIME I Problem 11
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