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)
21152 2017 AMC 10B Problem 25
21151 2017 AMC 10B Problem 24
21150 2017 AMC 10B Problem 23
21149 2017 AMC 10B Problem 22
21148 2017 AMC 10B Problem 21
21147 2017 AMC 10B Problem 20
21146 2017 AMC 10B Problem 19
21145 2017 AMC 10B Problem 18
21144 2017 AMC 10B Problem 17
21143 2017 AMC 10B Problem 16
21142 2017 AMC 10B Problem 15
21141 2017 AMC 10B Problem 14
21140 2017 AMC 10B Problem 13
21139 2017 AMC 10B Problem 12
21138 2017 AMC 10B Problem 11
21137 2017 AMC 10B Problem 10
21136 2017 AMC 10B Problem 9
21135 2017 AMC 10B Problem 8
21134 2017 AMC 10B Problem 7
21133 2017 AMC 10B Problem 6
21132 2017 AMC 10B Problem 5
21131 2017 AMC 10B Problem 4
21130 2017 AMC 10B Problem 3
21129 2017 AMC 10B Problem 2
21128 2017 AMC 10B Problem 1
21127 2017 AMC 10A Problem 25
21126 2017 AMC 10A Problem 24
21125 2017 AMC 10A Problem 23
21124 2017 AMC 10A Problem 22
21123 2017 AMC 10A Problem 21
21122 2017 AMC 10A Problem 20
21121 2017 AMC 10A Problem 19
21120 2017 AMC 10A Problem 18
21119 2017 AMC 10A Problem 17
21118 2017 AMC 10A Problem 16
21117 2017 AMC 10A Problem 15
21116 2017 AMC 10A Problem 14
21115 2017 AMC 10A Problem 13
21114 2017 AMC 10A Problem 12
21113 2017 AMC 10A Problem 11
21112 2017 AMC 10A Problem 10
21111 2017 AMC 10A Problem 9
21110 2017 AMC 10A Problem 8
21109 2017 AMC 10A Problem 7
21108 2017 AMC 10A Problem 6
21107 2017 AMC 10A Problem 5
21106 2017 AMC 10A Problem 4
21105 2017 AMC 10A Problem 3
21104 2017 AMC 10A Problem 2
21103 2017 AMC 10A Problem 1
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