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)
22992 2019 AIME II Problem 15
22991 2019 AIME II Problem 14
22990 2019 AIME II Problem 13
22989 2019 AIME II Problem 12
22988 2019 AIME II Problem 11
22987 2019 AIME II Problem 10
22986 2019 AIME II Problem 9
22985 2019 AIME II Problem 8
22984 2019 AIME II Problem 7
22983 2019 AIME II Problem 6
22982 2019 AIME II Problem 5
22981 2019 AIME II Problem 4
22980 2019 AIME II Problem 3
22979 2019 AIME II Problem 2
22978 2019 AIME II Problem 1
22977 2019 AIME I Problem 15
22976 2019 AIME I Problem 14
22975 2019 AIME I Problem 13
22974 2019 AIME I Problem 12
22973 2019 AIME I Problem 11
22972 2019 AIME I Problem 10
22971 2019 AIME I Problem 9
22970 2019 AIME I Problem 8
22969 2019 AIME I Problem 7
22968 2019 AIME I Problem 6
22967 2019 AIME I Problem 5
22966 2019 AIME I Problem 4
22965 2019 AIME I Problem 3
22964 2019 AIME I Problem 2
22963 2019 AIME I Problem 1
22962 2018 AIME II Problem 15
22961 2018 AIME II Problem 14
22960 2018 AIME II Problem 13
22959 2018 AIME II Problem 12
22958 2018 AIME II Problem 11
22957 2018 AIME II Problem 10
22956 2018 AIME II Problem 9
22955 2018 AIME II Problem 8
22954 2018 AIME II Problem 7
22953 2018 AIME II Problem 6
22952 2018 AIME II Problem 5
22951 2018 AIME II Problem 4
22950 2018 AIME II Problem 3
22949 2018 AIME II Problem 2
22948 2018 AIME II Problem 1
22947 2018 AIME I Problem 15
22946 2018 AIME I Problem 14
22945 2018 AIME I Problem 13
22944 2018 AIME I Problem 12
22943 2018 AIME I Problem 11
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