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)
15921 DMOJ CCO '22 P2 - Rainy Markets
15920 DMOJ CCO '22 P1 - Alternating Heights
15919 DMOJ CCO '21 P6 - Loop Town
15918 DMOJ CCO '21 P5 - Bread First Search
15917 DMOJ CCO '21 P4 - Travelling Merchant
15916 DMOJ CCO '21 P3 - Through Another Maze Darkly
15915 DMOJ CCO '21 P2 - Weird Numeral System
15914 DMOJ CCO '21 P1 - Swap Swap Sort
15913 DMOJ CCO '20 P6 - Shopping Plans
15912 DMOJ CCO '20 P5 - Interval Collection
15911 DMOJ CCO '20 P4 - Travelling Salesperson
15910 DMOJ CCO '20 P3 - Mountains and Valleys
15909 DMOJ CCO '20 P2 - Exercise Deadlines
15908 DMOJ CCO '20 P1 - A Game with Grundy
15907 DMOJ CCO '19 P6 - Bad Codes
15906 DMOJ CCO '19 P5 - Marshmallow Molecules
15905 DMOJ CCO '19 P4 - Card Scoring
15904 DMOJ CCO '19 P3 - Winter Driving
15903 DMOJ CCO '19 P2 - Sirtet
15902 DMOJ CCO '19 P1 - Human Error
15901 DMOJ CCO '18 P6 - Flop Sorting
15900 DMOJ CCO '18 P5 - Boring Lectures (Online Version)
15899 DMOJ CCO '18 P5 - Boring Lectures
15898 DMOJ CCO '18 P4 - Gradient Descent
15897 DMOJ CCO '18 P3 - Fun Palace
15896 DMOJ CCO '18 P2 - Wrong Answer
15895 DMOJ CCO '18 P1 - Geese vs. Hawks
15894 DMOJ CCO '17 P6 - Shifty Grid
15893 DMOJ CCO '17 P5 - Professional Network
15892 DMOJ CCO '17 P4 - Rainfall Storage
15891 DMOJ CCO '17 P3 - Vera and Modern Art
15890 DMOJ CCO '17 P2 - Cartesian Conquest
15889 DMOJ CCO '17 P1 - Vera and Trail Building
15888 DMOJ CCO '16 P6 - Pirates
15887 DMOJ CCO '16 P5 - Zombie Apocalypse
15886 DMOJ CCO '16 P4 - O Canada
15885 DMOJ CCO '16 P3 - Legends
15884 DMOJ CCO '16 P2 - Splitting Hares
15883 DMOJ CCO '16 P1 - Field Trip
15882 DMOJ CCO '15 P6 - Eggscavation
15881 DMOJ CCO '15 P5 - Timpanist
15880 DMOJ CCO '15 P4 - Cars on Ice
15879 DMOJ CCO '15 P3 - Solar Flight
15878 DMOJ CCO '15 P2 - Artskjid
15877 DMOJ CCO '15 P1 - Hungry Fox
15876 DMOJ CCO '14 P6 - Gates
15875 DMOJ CCO '14 P5 - Early Exam Evacuation
15874 DMOJ CCO '14 P4 - Where's That Fuel?
15873 DMOJ CCO '14 P3 - Werewolf
15872 DMOJ CCO '14 P2 - King Gruff
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