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)
15671 DMOJ CCC '14 J3 - Double Dice
15670 DMOJ CCC '14 J2 - Vote Count
15669 DMOJ CCC '14 J1 - Triangle Times
15668 DMOJ CCC '13 S5 - Factor Solitaire
15667 DMOJ CCC '13 S4 - Who is Taller?
15666 DMOJ CCC '13 S3 - Chances of Winning
15665 DMOJ CCC '13 S2 - Bridge Transport
15664 DMOJ CCC '13 S1 - From 1987 to 2013
15663 DMOJ CCC '13 J4 - Time on task
15662 DMOJ CCC '13 J2 - Rotating letters
15661 DMOJ CCC '13 J1 - Next in line
15660 DMOJ CCC '12 S5 - Mouse Journey
15659 DMOJ CCC '12 S4 - A Coin Game
15658 DMOJ CCC '12 S3 - Absolutely Acidic
15657 DMOJ CCC '12 S2 - Aromatic Numbers
15656 DMOJ CCC '12 S1 - Don't pass me the ball!
15655 DMOJ CCC '12 J4 - Big Bang Secrets
15654 DMOJ CCC '12 J3 - Icon Scaling
15653 DMOJ CCC '12 J2 - Sounds fishy!
15652 DMOJ CCC '12 J1 - Speed fines are not fine!
15651 DMOJ CCC '11 S5 - Switch
15650 DMOJ CCC '11 S4 - Blood Distribution
15649 DMOJ CCC '11 S3 - Alice Through the Looking Glass
15648 DMOJ CCC '11 S2 - Multiple Choice
15647 DMOJ CCC '11 S1 - English or French?
15646 DMOJ CCC '11 J5 - Unfriend
15645 DMOJ CCC '11 J4 - Boring Business
15644 DMOJ CCC '11 J3 - Sumac Sequences
15643 DMOJ CCC '11 J2 - Who Has Seen The Wind
15642 DMOJ CCC '11 J1 - Which Alien?
15641 DMOJ CCC '10 S5 - Nutrient Tree
15640 DMOJ CCC '10 S4 - Animal Farm
15639 DMOJ CCC '10 S3 - Firehose
15638 DMOJ CCC '10 S2 - Huffman Encoding
15637 DMOJ CCC '10 S1 - Computer Purchase
15636 DMOJ CCC '10 J5 - Knight Hop
15635 DMOJ CCC '10 J4 - Global Warming
15634 DMOJ CCC '10 J3 - Punchy
15633 DMOJ CCC '10 J2 - Up and Down
15632 DMOJ CCC '10 J1 - What is n, Daddy?
15631 DMOJ CCC '09 S5 - Wireless
15630 DMOJ CCC '09 S4 - Shop and Ship
15629 DMOJ CCC '09 S3 - Degrees Of Separation
15628 DMOJ CCC '09 S2 - Lights Going On and Off
15627 DMOJ CCC '09 S1 - Cool Numbers
15626 DMOJ CCC '09 J4 - Signage
15625 DMOJ CCC '09 J3 - Good Times
15624 DMOJ CCC '09 J2 - Old Fishin' Hole
15623 DMOJ CCC '09 J1 - ISBN
15622 DMOJ CCC '08 S5 - Nukit
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