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)
22452 2022 AMC 12B Problem 25
22451 2022 AMC 12B Problem 24
22450 2022 AMC 12B Problem 23
22449 2022 AMC 12B Problem 22
22448 2022 AMC 12B Problem 21
22447 2022 AMC 12B Problem 20
22446 2022 AMC 12B Problem 19
22445 2022 AMC 12B Problem 18
22444 2022 AMC 12B Problem 17
22443 2022 AMC 12B Problem 16
22442 2022 AMC 12B Problem 15
22441 2022 AMC 12B Problem 14
22440 2022 AMC 12B Problem 13
22439 2022 AMC 12B Problem 12
22438 2022 AMC 12B Problem 11
22437 2022 AMC 12B Problem 10
22436 2022 AMC 12B Problem 9
22435 2022 AMC 12B Problem 8
22434 2022 AMC 12B Problem 7
22433 2022 AMC 12B Problem 6
22432 2022 AMC 12B Problem 5
22431 2022 AMC 12B Problem 4
22430 2022 AMC 12B Problem 3
22429 2022 AMC 12B Problem 2
22428 2022 AMC 12B Problem 1
22427 2022 AMC 12A Problem 25
22426 2022 AMC 12A Problem 24
22425 2022 AMC 12A Problem 23
22424 2022 AMC 12A Problem 22
22423 2022 AMC 12A Problem 21
22422 2022 AMC 12A Problem 20
22421 2022 AMC 12A Problem 19
22420 2022 AMC 12A Problem 18
22419 2022 AMC 12A Problem 17
22418 2022 AMC 12A Problem 16
22417 2022 AMC 12A Problem 15
22416 2022 AMC 12A Problem 14
22415 2022 AMC 12A Problem 13
22414 2022 AMC 12A Problem 12
22413 2022 AMC 12A Problem 11
22412 2022 AMC 12A Problem 10
22411 2022 AMC 12A Problem 9
22410 2022 AMC 12A Problem 8
22409 2022 AMC 12A Problem 7
22408 2022 AMC 12A Problem 6
22407 2022 AMC 12A Problem 5
22406 2022 AMC 12A Problem 4
22405 2022 AMC 12A Problem 3
22404 2022 AMC 12A Problem 2
22403 2022 AMC 12A Problem 1
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