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)
22152 2016 AMC 12B Problem 25
22151 2016 AMC 12B Problem 24
22150 2016 AMC 12B Problem 23
22149 2016 AMC 12B Problem 22
22148 2016 AMC 12B Problem 21
22147 2016 AMC 12B Problem 20
22146 2016 AMC 12B Problem 19
22145 2016 AMC 12B Problem 18
22144 2016 AMC 12B Problem 17
22143 2016 AMC 12B Problem 16
22142 2016 AMC 12B Problem 15
22141 2016 AMC 12B Problem 14
22140 2016 AMC 12B Problem 13
22139 2016 AMC 12B Problem 12
22138 2016 AMC 12B Problem 11
22137 2016 AMC 12B Problem 10
22136 2016 AMC 12B Problem 9
22135 2016 AMC 12B Problem 8
22134 2016 AMC 12B Problem 7
22133 2016 AMC 12B Problem 6
22132 2016 AMC 12B Problem 5
22131 2016 AMC 12B Problem 4
22130 2016 AMC 12B Problem 3
22129 2016 AMC 12B Problem 2
22128 2016 AMC 12B Problem 1
22127 2016 AMC 12A Problem 25
22126 2016 AMC 12A Problem 24
22125 2016 AMC 12A Problem 23
22124 2016 AMC 12A Problem 22
22123 2016 AMC 12A Problem 21
22122 2016 AMC 12A Problem 20
22121 2016 AMC 12A Problem 19
22120 2016 AMC 12A Problem 18
22119 2016 AMC 12A Problem 17
22118 2016 AMC 12A Problem 16
22117 2016 AMC 12A Problem 15
22116 2016 AMC 12A Problem 14
22115 2016 AMC 12A Problem 13
22114 2016 AMC 12A Problem 12
22113 2016 AMC 12A Problem 11
22112 2016 AMC 12A Problem 10
22111 2016 AMC 12A Problem 9
22110 2016 AMC 12A Problem 8
22109 2016 AMC 12A Problem 7
22108 2016 AMC 12A Problem 6
22107 2016 AMC 12A Problem 5
22106 2016 AMC 12A Problem 4
22105 2016 AMC 12A Problem 3
22104 2016 AMC 12A Problem 2
22103 2016 AMC 12A Problem 1
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