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)
24871 USACO 2024 January Contest, Bronze: Balancing Bacteria
24870 USACO 2024 January Contest, Bronze: Cannonball
24869 USACO 2024 January Contest, Bronze: Majority Opinion
24868 USACO 2024 January Contest, Silver: Cowlendar
24867 USACO 2024 January Contest, Silver: Potion Farming
24866 USACO 2024 January Contest, Silver: Cowmpetency
24865 USACO 2024 January Contest, Gold: Nap Sort
24864 USACO 2024 January Contest, Gold: Cowmpetency
24863 USACO 2024 January Contest, Gold: Walking in Manhattan
24862 USACO 2024 January Contest, Platinum: Mooball Teams III
24861 USACO 2024 January Contest, Platinum: Merging Cells
24860 USACO 2024 January Contest, Platinum: Island Vacation
24771 USACO 2023 December Contest, Bronze: Farmer John Actually Farms
24770 USACO 2023 December Contest, Bronze: Cowntact Tracing 2
24769 USACO 2023 December Contest, Bronze: Candy Cane Feast
24768 USACO 2023 December Contest, Silver: Target Practice
24767 USACO 2023 December Contest, Silver: Cycle Correspondence
24766 USACO 2023 December Contest, Silver: Bovine Acrobatics
24765 USACO 2023 December Contest, Gold: Haybale Distribution
24764 USACO 2023 December Contest, Gold: Minimum Longest Trip
24763 USACO 2023 December Contest, Gold: Flight Routes
24762 USACO 2023 December Contest, Platinum: Train Scheduling
24761 USACO 2023 December Contest, Platinum: A Graph Problem
24760 USACO 2023 December Contest, Platinum: Cowntact Tracing
23798 USACO 2023 US Open Contest, Bronze: Rotate and Shift
23797 USACO 2023 US Open Contest, Bronze: Moo Language
23796 USACO 2023 US Open Contest, Bronze: FEB
23795 USACO 2023 US Open Contest, Silver: Pareidolia
23794 USACO 2023 US Open Contest, Silver: Field Day
23793 USACO 2023 US Open Contest, Silver: Milk Sum
23792 USACO 2023 US Open Contest, Gold: Tree Merging
23791 USACO 2023 US Open Contest, Gold: Pareidolia
23790 USACO 2023 US Open Contest, Gold: Custodial Cleanup
23789 USACO 2023 US Open Contest, Platinum: Triples of Cows
23788 USACO 2023 US Open Contest, Platinum: Good Bitstrings
23787 USACO 2023 US Open Contest, Platinum: Pareidolia
23786 USACO 2023 February Contest, Bronze: Watching Mooloo
23785 USACO 2023 February Contest, Bronze: Stamp Grid
23784 USACO 2023 February Contest, Bronze: Hungry Cow
23783 USACO 2023 February Contest, Silver: Moo Route II
23782 USACO 2023 February Contest, Silver: Cow-libi
23781 USACO 2023 February Contest, Silver: Bakery
23780 USACO 2023 February Contest, Gold: Piling Papers
23779 USACO 2023 February Contest, Gold: Fertilizing Pastures
23778 USACO 2023 February Contest, Gold: Equal Sum Subarrays
23777 USACO 2023 February Contest, Platinum: Watching Cowflix
23776 USACO 2023 February Contest, Platinum: Problem Setting
23775 USACO 2023 February Contest, Platinum: Hungry Cow
23774 USACO 2023 January Contest, Bronze: Moo Operations
23773 USACO 2023 January Contest, Bronze: Air Cownditioning II
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