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)
17371 DMOJ DWITE '08 R4 #4 - Shortest path around v2
17370 DMOJ DWITE '08 R4 #3 - Secret party
17369 DMOJ DWITE '08 R4 #2 - Tic Tac Win
17368 DMOJ DWITE '08 R4 #1 - Four player Pong with no players
17367 DMOJ DWITE '08 R3 #5 - Now in 3D
17366 DMOJ DWITE '08 R3 #4 - Time for change
17365 DMOJ DWITE '08 R3 #3 - Unicorns and Teaspoons
17364 DMOJ DWITE '08 R3 #2 - Wordcount++
17363 DMOJ DWITE '08 R3 #1 - ASCII Rhombus
17362 DMOJ DWITE '08 R2 #5 - Water damage
17361 DMOJ DWITE '08 R2 #4 - Big shiny tunes
17360 DMOJ DWITE '08 R2 #3 - My drink is made of cubes
17359 DMOJ DWITE '08 R2 #2 - My favourite digit
17358 DMOJ DWITE '08 R2 #1 - My shiny digital key
17357 DMOJ DWITE '08 R1 #5 - Moving Stuff in Boxes
17356 DMOJ DWITE '08 R1 #4 - What is this Roman Numeral
17355 DMOJ DWITE '08 R1 #3 - School's a maze
17354 DMOJ DWITE '08 R1 #2 - Simple Checksum
17353 DMOJ DWITE '08 R1 #1 - LaNDscAPE ii
17352 DMOJ DWITE '07 R5 #5 - Tetris!
17351 DMOJ DWITE '07 R5 #4 - Train ride
17350 DMOJ DWITE '07 R5 #3 - Parity bit
17349 DMOJ DWITE '07 R5 #2 - Number of factors
17348 DMOJ DWITE '07 R5 #1 - I heart you
17347 DMOJ DWITE '07 R4 #5 - It all adds up
17346 DMOJ DWITE '07 R4 #4 - Shortest path around
17345 DMOJ DWITE '07 R4 #3 - Don't follow my links
17344 DMOJ DWITE '07 R4 #2 - And the winner is...
17343 DMOJ DWITE '07 R4 #1 - Curve-shot
17342 DMOJ DWITE '07 R3 #5 - Portals
17341 DMOJ DWITE '07 R3 #4 - The Convex Fence Company
17340 DMOJ DWITE '07 R3 #3 - Playlist
17339 DMOJ DWITE '07 R3 #2 - There's An Essay In My Code
17338 DMOJ DWITE '07 R3 #1 - Yet Another Primes Question
17337 DMOJ DWITE '07 R2 #5 - Bridges In A Graph
17336 DMOJ DWITE '07 R2 #4 - All Is Balanced
17335 DMOJ DWITE '07 R2 #3 - Floor Plan
17334 DMOJ DWITE '07 R2 #2 - Show Me The Money!
17333 DMOJ DWITE '07 R2 #1 - Not Quite Prime
17332 DMOJ DWITE '07 R1 #5 - Velociraptor Maze
17331 DMOJ DWITE '07 R1 #4 - Stacks of Blocks
17330 DMOJ DWITE '07 R1 #3 - Where's my QWERTY?
17329 DMOJ DWITE '07 R1 #2 - Cubes in a Pyramid
17328 DMOJ DWITE '07 R1 #1 - Vanilla Primes
17327 DMOJ DWITE '06 R5 #5 - Prime Palindromes
17326 DMOJ DWITE '06 R5 #4 - Connect-4
17325 DMOJ DWITE '06 R5 #3 - UPC Check Digit
17324 DMOJ DWITE '06 R5 #2 - Floppy Disk
17323 DMOJ DWITE '06 R5 #1 - Points on a Line
17322 DMOJ DWITE '02 R2 #5 - Now I know my ABCs
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