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)
14771 AtCoder UTPC2012: C. 森ですか?
14770 AtCoder UTPC2012: B. 残像に口紅を
14769 AtCoder UTPC2012: A. 2012年12月02日
14768 AtCoder UTPC2011: I. ビット演算
14767 AtCoder UTPC2011: H. キャッシュ戦略
14766 AtCoder UTPC2011: G. プログラミングコンテストチャレンジブック
14765 AtCoder UTPC2011: F. 全域木
14764 AtCoder UTPC2011: E. ファーストアクセプタンス
14763 AtCoder UTPC2011: D. 停止問題
14762 AtCoder UTPC2011: C. [[iwi]]
14761 AtCoder UTPC2011: B. (iwi)
14760 AtCoder UTPC2011: L. L番目の数字
14759 AtCoder UTPC2011: K. 巡回セールスマン問題
14758 AtCoder UTPC2011: J. 乱択平衡分二分探索木
14757 AtCoder UTPC2011: A. プログラミングコンテスト
14756 AtCoder ATC001: B. Union Find
14755 AtCoder UKUKU09: E. Couple
14754 AtCoder UKUKU09: D. ukuku
14753 AtCoder UKUKU09: C. Maze
14752 AtCoder UKUKU09: B. Sprinkler
14751 AtCoder UKUKU09: A. UkuNumber
14750 AtCoder TYPICAL90: 026. Independent Set on a Tree(★4)
14749 AtCoder TYPICAL90: 025. Digit Product Equation(★7)
14748 AtCoder TYPICAL90: 024. Select +/- One(★2)
14747 AtCoder TYPICAL90: 023. Avoid War(★7)
14746 AtCoder TYPICAL90: 022. Cubic Cake(★2)
14745 AtCoder TYPICAL90: 021. Come Back in One Piece(★5)
14744 AtCoder TYPICAL90: 020. Log Inequality(★3)
14743 AtCoder TYPICAL90: 019. Pick Two(★6)
14742 AtCoder TYPICAL90: 018. Statue of Chokudai(★3)
14741 AtCoder TYPICAL90: 017. Crossing Segments(★7)
14740 AtCoder TYPICAL90: 016. Minimum Coins(★3)
14739 AtCoder TYPICAL90: 015. Don't be too close(★6)
14738 AtCoder TYPICAL90: 014. We Used to Sing a Song Together(★3)
14737 AtCoder TYPICAL90: 013. Passing(★5)
14736 AtCoder TYPICAL90: 012. Red Painting(★4)
14735 AtCoder TYPICAL90: 011. Gravy Jobs(★6)
14734 AtCoder TYPICAL90: 010. Score Sum Queries(★2)
14733 AtCoder TYPICAL90: 009. Three Point Angle(★6)
14732 AtCoder TYPICAL90: 008. AtCounter(★4)
14731 AtCoder TYPICAL90: 007. CP Classes(★3)
14730 AtCoder TYPICAL90: 006. Smallest Subsequence(★5)
14729 AtCoder TYPICAL90: 005. Restricted Digits(★7)
14728 AtCoder TYPICAL90: 004. Cross Sum(★2)
14727 AtCoder TYPICAL90: 090. Tenkei90's Last Problem(★7)
14726 AtCoder TYPICAL90: 089. Partitions and Inversions(★7)
14725 AtCoder TYPICAL90: 088. Similar but Different Ways(★6)
14724 AtCoder TYPICAL90: 087. Chokudai's Demand(★5)
14723 AtCoder TYPICAL90: 086. Snuke's Favorite Arrays(★5)
14722 AtCoder TYPICAL90: 085. Multiplication 085(★4)
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