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)
17721 DMOJ GCC '16 P3 - Hang Gliding Fun
17720 DMOJ GCC '16 P2 - Classified Documents
17719 DMOJ GCC '16 P1 - Watching Anime
17718 DMOJ The Game of Nim
17717 DMOJ PEG Test '11 - Cyclopian Puzzle
17716 DMOJ PEG Test '11 - Cyclopian Census
17715 DMOJ PEG Test '11 - Cyclopian Cash
17714 DMOJ PEG Test '11 - Cyclopian Suits
17713 DMOJ PEG Test '11 - Cyclopian Air
17712 DMOJ Angie and Functions (Hard)
17711 DMOJ Flip the Switches
17710 DMOJ Imperative French
17709 DMOJ The Fox and the Wolf
17708 DMOJ Foxlings
17707 DMOJ Anti-Fire Fox
17706 DMOJ A Floyd-Warshall Problem
17705 DMOJ Fizz Coke
17704 DMOJ Fixing Shirts
17703 DMOJ Firebending
17702 DMOJ Figurines
17701 DMOJ Fibonacci Sequence (Harder)
17700 DMOJ Fibonacci Sequence
17699 DMOJ Facebook Hacker Cup '19 Final Round P6 - Temporal Revision
17698 DMOJ Facebook Hacker Cup '19 Final Round P1 - Strings as a Service
17697 DMOJ Facebook Hacker Cup '17 Qualifying Round P3 - Fighting the Zombie
17696 DMOJ Facebook Hacker Cup '17 Qualifying Round P2 - Lazy Loading
17695 DMOJ Facebook Hacker Cup '17 Qualifying Round P1 - Progress Pie
17694 DMOJ Facebook Hacker Cup '15 Round 3 P4 - Fox Rocks
17693 DMOJ Facebook Hacker Cup '15 Round 3 P3 - Gentrification
17692 DMOJ Facebook Hacker Cup '15 Round 3 P2 - Lunch Scheduling
17691 DMOJ Facebook Hacker Cup '15 Round 3 P1 - Boomerang
17690 DMOJ Facebook Hacker Cup '15 Round 2 P4 - Fox Socks
17689 DMOJ Facebook Hacker Cup '15 Round 2 P3 - Autocomplete Strikes Back
17688 DMOJ Facebook Hacker Cup '15 Round 2 P2 - All Critical
17687 DMOJ Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort
17686 DMOJ Facebook Hacker Cup '15 Round 1 P4 - Corporate Gifting
17685 DMOJ Facebook Hacker Cup '15 Round 1 P3 - Winning at Sports
17684 DMOJ Facebook Hacker Cup '15 Round 1 P2 - Autocomplete
17683 DMOJ Facebook Hacker Cup '15 Round 1 P1 - Homework
17682 DMOJ Facebook Hacker Cup '14 Final Round P4 - Tours
17681 DMOJ Facebook Hacker Cup '14 Final Round P3 - Fortunate Wheels
17680 DMOJ Favorite Numbers
17679 DMOJ The Codefather
17678 DMOJ Fast LCA (Hard)
17677 DMOJ Fast LCA
17676 DMOJ Fast Bit Counting
17675 DMOJ Falling Snowflakes
17674 DMOJ Fair Competition
17673 DMOJ Factors
17672 DMOJ Factorial Calculator
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