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)
20352	2023 AMC 8 Problem 25
20351	2023 AMC 8 Problem 24
20350	2023 AMC 8 Problem 23
20349	2023 AMC 8 Problem 22
20348	2023 AMC 8 Problem 21
20347	2023 AMC 8 Problem 20
20346	2023 AMC 8 Problem 19
20345	2023 AMC 8 Problem 18
20344	2023 AMC 8 Problem 17
20343	2023 AMC 8 Problem 16
20342	2023 AMC 8 Problem 15
20341	2023 AMC 8 Problem 14
20340	2023 AMC 8 Problem 13
20339	2023 AMC 8 Problem 12
20338	2023 AMC 8 Problem 11
20337	2023 AMC 8 Problem 10
20336	2023 AMC 8 Problem 9
20335	2023 AMC 8 Problem 8
20334	2023 AMC 8 Problem 7
20333	2023 AMC 8 Problem 6
20332	2023 AMC 8 Problem 5
20331	2023 AMC 8 Problem 4
20330	2023 AMC 8 Problem 3
20329	2023 AMC 8 Problem 2
20328	2023 AMC 8 Problem 1
20327	2022 AMC 8 Problem 25
20326	2022 AMC 8 Problem 24
20325	2022 AMC 8 Problem 23
20324	2022 AMC 8 Problem 22
20323	2022 AMC 8 Problem 21
20322	2022 AMC 8 Problem 20
20321	2022 AMC 8 Problem 19
20320	2022 AMC 8 Problem 18
20319	2022 AMC 8 Problem 17
20318	2022 AMC 8 Problem 16
20317	2022 AMC 8 Problem 15
20316	2022 AMC 8 Problem 14
20315	2022 AMC 8 Problem 13
20314	2022 AMC 8 Problem 12
20313	2022 AMC 8 Problem 11
20312	2022 AMC 8 Problem 10
20311	2022 AMC 8 Problem 9
20310	2022 AMC 8 Problem 8
20309	2022 AMC 8 Problem 7
20308	2022 AMC 8 Problem 6
20307	2022 AMC 8 Problem 5
20306	2022 AMC 8 Problem 4
20305	2022 AMC 8 Problem 3
20304	2022 AMC 8 Problem 2
20303	2022 AMC 8 Problem 1

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

20352

2023 AMC 8 Problem 25

20351

2023 AMC 8 Problem 24

20350

2023 AMC 8 Problem 23

20349

2023 AMC 8 Problem 22

20348

2023 AMC 8 Problem 21

20347