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)
18171 DMOJ IOI '96 P2 - Job Processing
18170 DMOJ IOI '96 P1 - A Game
18169 DMOJ IOI '95 Practice Task 3 - Bar Codes
18168 DMOJ IOI '95 Practice Task 2 - Word Chains
18167 DMOJ IOI '95 Practice Task 1 - Fence Factory
18166 DMOJ IOI '95 P5 - Street Race
18165 DMOJ IOI '95 P4 - Letter Game
18164 DMOJ IOI '95 P2 - Shopping Offers
18163 DMOJ IOI '95 P1 - Packing Rectangles
18162 DMOJ IOI '94 P4 - The Clocks
18161 DMOJ IOI '94 P2 - The Castle
18160 DMOJ IOI '94 P1 - The Triangle
18159 DMOJ IOI '22 P6 - Thousands Islands
18158 DMOJ IOI '22 P5 - Rarest Insects
18157 DMOJ IOI '22 P4 - Digital Circuit
18156 DMOJ IOI '22 P3 - Radio Towers
18155 DMOJ IOI '22 P2 - Prisoner Challenge
18154 DMOJ IOI '22 P1 - Catfish Farm
18153 DMOJ IOI '21 P6 - Bit Shift Registers
18152 DMOJ IOI '21 P5 - Dungeons Game
18151 DMOJ IOI '21 P4 - Mutating DNA
18150 DMOJ IOI '21 P3 - Fountain Parks
18149 DMOJ IOI '21 P2 - Keys
18148 DMOJ IOI '21 P1 - Distributing Candies
18147 DMOJ IOI '20 P6 - Stations
18146 DMOJ IOI '20 P5 - Counting Mushrooms
18145 DMOJ IOI '20 P4 - Packing Biscuits
18144 DMOJ IOI '20 P3 - Carnival Tickets
18143 DMOJ IOI '20 P2 - Connecting Supertrees
18142 DMOJ IOI '20 P1 - Comparing Plants
18141 DMOJ IOI '19 P6 - Sky Walking
18140 DMOJ IOI '19 P5 - Vision Program
18139 DMOJ IOI '19 P4 - Broken Line
18138 DMOJ IOI '19 P3 - Rectangles
18137 DMOJ IOI '19 P2 - Split the Attractions
18136 DMOJ IOI '19 P1 - Arranging Shoes
18135 DMOJ IOI '18 P6 - Meetings
18134 DMOJ IOI '18 P5 - Highway Tolls
18133 DMOJ IOI '18 P4 - Mechanical Doll
18132 DMOJ IOI '18 P3 - Werewolf
18131 DMOJ IOI '18 P2 - Seats
18130 DMOJ IOI '18 P1 - Combo
18129 DMOJ IOI '17 P6 - Ancient Books
18128 DMOJ IOI '17 P5 - Simurgh
18127 DMOJ IOI '17 P4 - The Big Prize
18126 DMOJ IOI '17 P3 - Toy Train
18125 DMOJ IOI '17 P2 - Wiring
18124 DMOJ IOI '17 P1 - Nowruz
18123 DMOJ IOI '16 P6 - Aliens (Standard I/O)
18122 DMOJ IOI '16 P6 - Aliens
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