Starlight: List of Problems

Over 20,000 problems available. AMC 8/10/12 and AIME problems from 2010-2023; USAJMO/USAMO problems from 2002-2023 available. USACO problems from 2014 to 2023 (all divisions). Codeforces, AtCoder, DMOJ problems are added daily around 04:00 AM UTC, which may cause disruptions.

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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)
23112	2023 AIME II Problem 15
23111	2023 AIME II Problem 14
23110	2023 AIME II Problem 13
23109	2023 AIME II Problem 12
23108	2023 AIME II Problem 11
23107	2023 AIME II Problem 10
23106	2023 AIME II Problem 9
23105	2023 AIME II Problem 8
23104	2023 AIME II Problem 7
23103	2023 AIME II Problem 6
23102	2023 AIME II Problem 5
23101	2023 AIME II Problem 4
23100	2023 AIME II Problem 3
23099	2023 AIME II Problem 2
23098	2023 AIME II Problem 1
23097	2023 AIME I Problem 15
23096	2023 AIME I Problem 14
23095	2023 AIME I Problem 13
23094	2023 AIME I Problem 12
23093	2023 AIME I Problem 11
23092	2023 AIME I Problem 10
23091	2023 AIME I Problem 9
23090	2023 AIME I Problem 8
23089	2023 AIME I Problem 7
23088	2023 AIME I Problem 6
23087	2023 AIME I Problem 5
23086	2023 AIME I Problem 4
23085	2023 AIME I Problem 3
23084	2023 AIME I Problem 2
23083	2023 AIME I Problem 1
23082	2022 AIME II Problem 15
23081	2022 AIME II Problem 14
23080	2022 AIME II Problem 13
23079	2022 AIME II Problem 12
23078	2022 AIME II Problem 11
23077	2022 AIME II Problem 10
23076	2022 AIME II Problem 9
23075	2022 AIME II Problem 8
23074	2022 AIME II Problem 7
23073	2022 AIME II Problem 6
23072	2022 AIME II Problem 5
23071	2022 AIME II Problem 4
23070	2022 AIME II Problem 3
23069	2022 AIME II Problem 2
23068	2022 AIME II Problem 1
23067	2022 AIME I Problem 15
23066	2022 AIME I Problem 14
23065	2022 AIME I Problem 13
23064	2022 AIME I Problem 12
23063	2022 AIME I Problem 11

Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)

23112

2023 AIME II Problem 15

23111

2023 AIME II Problem 14

23110

2023 AIME II Problem 13

23109

2023 AIME II Problem 12

23108

2023 AIME II Problem 11

23107