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)
17801 DMOJ Google Code Jam '22 Qualification Round Problem C - d1000000
17800 DMOJ Google Code Jam '22 Qualification Round Problem B - 3D Printing
17799 DMOJ Google Code Jam '22 Qualification Round Problem A - Punched Cards
17798 DMOJ Google Code Jam '21 Round 1A Problem B - Prime Time
17797 DMOJ Google Code Jam '21 Round 1A Problem A - Append Sort
17796 DMOJ Google Code Jam '21 Qualification Round Problem E - Cheating Detection
17795 DMOJ Google Code Jam '21 Qualification Round Problem C - Reversort Engineering
17794 DMOJ Google Code Jam '21 Qualification Round Problem B - Moons and Umbrellas
17793 DMOJ Google Code Jam '21 Qualification Round Problem A - Reversort
17792 DMOJ Google Code Jam '20 Round 1A Problem C - Square Dance
17791 DMOJ Google Code Jam '20 Qualification Round Problem B - Nesting Depth
17790 DMOJ Google Code Jam '20 Qualification Round Problem A - Vestigium
17789 DMOJ Google Code Jam '19 Round 1A Problem C - Alien Rhyme
17788 DMOJ Google Code Jam '19 Qualification Round Problem C - Cryptopangrams
17787 DMOJ Google Code Jam '18 Round 1A Problem C - Edgy Baking
17786 DMOJ Google Code Jam '18 Round 1A Problem B - Bit Party
17785 DMOJ Google Code Jam '18 Round 1A Problem A - Waffle Choppers
17784 DMOJ Google Code Jam '18 Qualification Round Problem B - Trouble Sort
17783 DMOJ Google Code Jam '18 Qualification Round Problem A - Saving The Universe Again
17782 DMOJ Google Code Jam '17 Round 1A Problem C - Play the Dragon
17781 DMOJ Google Code Jam '17 Round 1A Problem B - Ratatouille
17780 DMOJ Google Code Jam '17 Qualification Round Problem C - Bathroom Stalls
17779 DMOJ Google Code Jam '17 Qualification Round Problem B - Tidy Numbers
17778 DMOJ Google Code Jam '17 Qualification Round Problem A - Oversized Pancake Flipper
17777 DMOJ Google Code Jam '16 World Finals Problem A - Integeregex
17776 DMOJ Google Code Jam '16 Round 1A Problem C - BFFs
17775 DMOJ Google Code Jam '16 Round 1A Problem B - Rank and File
17774 DMOJ Google Code Jam '16 Round 1A Problem A - The Last Word
17773 DMOJ Google Code Jam '16 Qualification Round Problem B - Revenge of the Pancakes
17772 DMOJ Google Code Jam '16 Qualification Round Problem A - Counting Sheep
17771 DMOJ Google Code Jam '15 Round 1A Problem C - Logging
17770 DMOJ Google Code Jam '15 Round 1A Problem B - Haircut
17769 DMOJ Google Code Jam '15 Round 1A Problem A - Mushroom Monster
17768 DMOJ Google Code Jam '15 Qualification Round Problem D - Ominous Omino
17767 DMOJ Google Code Jam '15 Qualification Round Problem C - Dijkstra
17766 DMOJ Google Code Jam '15 Qualification Round Problem B - Infinite House of Pancakes
17765 DMOJ Google Code Jam '15 Qualification Round Problem A - Standing Ovation
17764 DMOJ Google Code Jam '14 Round 1A Problem B - Full Binary Tree
17763 DMOJ Google Code Jam '14 Round 1A Problem A - Charging Chaos
17762 DMOJ Google Code Jam '14 Qualification Round Problem C - Deceitful War
17761 DMOJ Google Code Jam '14 Qualification Round Problem B - Cookie Clicker Alpha
17760 DMOJ Google Code Jam '14 Qualification Round Problem A - Magic Trick
17759 DMOJ Google Code Jam '13 Round 1A Problem B - Manage your Energy
17758 DMOJ Google Code Jam '13 Round 1A Problem A - Bullseye
17757 DMOJ Google Code Jam '13 Qualification Round Problem D - Fair and Square
17756 DMOJ Google Code Jam '13 Qualification Round Problem C - Treasure
17755 DMOJ Google Code Jam '13 Qualification Round Problem B - Lawnmower
17754 DMOJ Google Code Jam '13 Qualification Round Problem A - Tic-Tac-Toe-Tomek
17753 DMOJ Google Code Jam '12 Round 1A Problem C - Cruise Control
17752 DMOJ Google Code Jam '12 Round 1A Problem B - Kingdom Rush
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