Starlight: List of Problems

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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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ID Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)
18251 DMOJ Longest Common Subsequence
18250 DMOJ Longest Balanced Subsequence
18249 DMOJ Strict Evaluation
18248 DMOJ Largest Permutation
18247 DMOJ K-th Minimum Number
18246 DMOJ Koala Ball
18245 DMOJ Knapsack 4
18244 DMOJ Knapsack 3
18243 DMOJ Kevin Needs Help
18242 DMOJ K-Dimensional Grids
18241 DMOJ JSB '19 - P5
18240 DMOJ JSB '19 - P4
18239 DMOJ JSB '19 - P3
18238 DMOJ JSB '19 - P2
18237 DMOJ JSB '19 - P1
18236 DMOJ Number Theoretic Transform
18235 DMOJ Joshua Needs Help
18234 DMOJ JOI '23 Open P3 - Garden
18233 DMOJ JOI '23 Open P2 - Cell Automaton
18232 DMOJ JOI '23 Open P1 - Ancient Machine 2
18231 DMOJ JOI '22 Spring Camp Day 1 P1 - Jail
18230 DMOJ JOI '22 Open P3 - School Road
18229 DMOJ JOI '22 Open P2 - Giraffes
18228 DMOJ JOI '22 Open P1 - Seesaw
18227 DMOJ JOI '22 Final P2 - Self Study
18226 DMOJ JOI '22 Final P1 - Intercastellar
18225 DMOJ JOI '21 Spring Camp Day 4 P1 - Event Hopping 2
18224 DMOJ JOI '21 Spring Camp Day 3 P3 - Meetings 2
18223 DMOJ JOI '21 Spring Camp Day 1 P1 - Aerobatics
18222 DMOJ JOI '21 Open P2 - Financial Report
18221 DMOJ JOI '21 Open P1 - Crossing
18220 DMOJ JOI '20 Spring Camp Day 4 P1 - Capital City
18219 DMOJ JOI '20 Spring Camp Day 3 P2 - Harvest
18218 DMOJ JOI '20 Spring Camp Day 3 P1 - Constellation 3
18217 DMOJ JOI '20 Spring Camp Day 2 P3 - Ruins 3
18216 DMOJ JOI '20 Spring Camp Day 2 P2 - Making Friends on Joitter is Fun
18215 DMOJ JOI '20 Spring Camp Day 1 P3 - Sweeping
18214 DMOJ JOI '20 Open P3 - Power Plant
18213 DMOJ JOI '20 Open P2 - Monochrome Points
18212 DMOJ JOI '20 Open P1 - Furniture
18211 DMOJ JOI '19 Open P3 - Virus Experiment
18210 DMOJ JOI '19 Open P2 - Remittance
18209 DMOJ JOI '19 Open P1 - Triple Jump
18208 DMOJ JOI '19 Final P3 - Collecting Stamps 3
18207 DMOJ JOI '18 Spring Camp Day 1 P3 - Tents
18206 DMOJ JOI '18 Spring Camp Day 1 P2 - Fences
18205 DMOJ JOI '18 Spring Camp Day 1 P1 - Construction of Highway
18204 DMOJ JOI '18 Open P1 - Bubble Sort 2
18203 DMOJ JOI '17 Final P5 - Snake Escaping
18202 DMOJ JOI '17 Final P4 - Commuter Pass
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