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)
15301	DMOJ String Finding
15300	DMOJ Next Prime (Hard)
15299	DMOJ Next Prime
15298	DMOJ Lexicographically Least Substring (Hard)
15297	DMOJ Lexicographically Least Substring
15296	DMOJ List Minimum (Harder)
15295	DMOJ List Minimum (Hard)
15294	DMOJ List Minimum (Easy)
15293	DMOJ List Minimum
15292	DMOJ Big Deposits
15291	DMOJ Bubble Cup V11 A Splitting Money
15290	DMOJ Bubble Cup V9 I R3D3's summer adventure
15289	DMOJ Bubble Cup V9 G Heroes of Making Magic III
15288	DMOJ Bubble Cup V9 F Pokermon League challenge
15287	DMOJ Bubble Cup V9 E Festival organization
15286	DMOJ Bubble Cup V9 D Potions homework
15285	DMOJ Bubble Cup V9 C Paint it really, really black
15284	DMOJ Bubble Cup V9 B Underfail
15283	DMOJ Bubble Cup V9 A Cowboy Beblop at his computer
15282	DMOJ Bubble Cup V8 I Robots protection
15281	DMOJ Bubble Cup V8 H Bots
15280	DMOJ Bubble Cup V8 G Run for beer
15279	DMOJ Bubble Cup V8 F Bulbo
15278	DMOJ Bubble Cup V8 E Spectator Riots
15277	DMOJ Bubble Cup V8 D Tablecity
15276	DMOJ Bubble Cup V8 C Party
15275	DMOJ Bubble Cup V8 B Bribes
15274	DMOJ Bubble Cup V8 A Fibonotci
15273	DMOJ ICPC BAPC 2021 G - Gyrating Glyphs
15272	DMOJ Bank Notes
15271	DMOJ Bad Paths
15270	DMOJ Palindromic Integer Partition
15269	DMOJ Adding Reversed Numbers
15268	DMOJ Avocado Trees!
15267	DMOJ PEG Test '14 - Water
15266	DMOJ PEG Test '14 - Spirits
15265	DMOJ PEG Test '14 - Fire
15264	DMOJ PEG Test '14 - Earth
15263	DMOJ PEG Test '14 - Change
15262	DMOJ PEG Test '14 - Balance
15261	DMOJ PEG Test '14 - Air
15260	DMOJ Attraction
15259	DMOJ A Times B
15258	DMOJ Athena on Zanzibar Island
15257	DMOJ A Sum Problem
15256	DMOJ A Simple Multiplication
15255	DMOJ A Simple Minus
15254	DMOJ A Simple Mode
15253	DMOJ A Simple Maximum
15252	DMOJ A Simple Mean

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

15301

DMOJ String Finding

15300

DMOJ Next Prime (Hard)

15299

DMOJ Next Prime

15298

DMOJ Lexicographically Least Substring (Hard)

15297

DMOJ Lexicographically Least Substring

15296