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)
24671 AtCoder PAST16-OPEN: D. 相対評価のスコア
24670 AtCoder PAST16-OPEN: C. コンテスト
24669 AtCoder PAST16-OPEN: B. スロット
24668 AtCoder PAST16-OPEN: A. ツバメ
24667 AtCoder PAST15-OPEN: O. 数列と素数
24666 AtCoder PAST15-OPEN: N. 度数分布
24665 AtCoder PAST15-OPEN: M. 点の距離
24664 AtCoder PAST15-OPEN: L. ビット行列
24663 AtCoder PAST15-OPEN: K. 入れ替えてソート
24662 AtCoder PAST15-OPEN: J. 忍者
24661 AtCoder PAST15-OPEN: I. 最大公約数の最大値
24660 AtCoder PAST15-OPEN: H. 和で表現
24659 AtCoder PAST15-OPEN: G. N-SAT
24658 AtCoder PAST15-OPEN: F. 番号付け
24657 AtCoder PAST15-OPEN: E. 合計得点
24656 AtCoder PAST15-OPEN: D. レコーダー
24655 AtCoder PAST15-OPEN: C. 円の描画
24654 AtCoder PAST15-OPEN: B. 殿堂入り
24653 AtCoder PAST15-OPEN: A. ペナルティ
24652 AtCoder OUPC2023-DAY1: Q. Kurukuru
24651 AtCoder OUPC2023-DAY1: P. Score for Cutting Graph
24650 AtCoder OUPC2023-DAY1: O. Special Matrix
24649 AtCoder OUPC2023-DAY1: N. Bench
24648 AtCoder OUPC2023-DAY1: M. Can't Be UT
24647 AtCoder OUPC2023-DAY1: L. KowerKoint Doko
24646 AtCoder OUPC2023-DAY1: K. Minimize Transfer Time
24645 AtCoder OUPC2023-DAY1: J. Sum Sum
24644 AtCoder OUPC2023-DAY1: I. Min!? Max!? Max!? Min!?
24643 AtCoder OUPC2023-DAY1: H. Wonderful Stage
24642 AtCoder OUPC2023-DAY1: G. Impassable Game
24641 AtCoder OUPC2023-DAY1: F. Remainder of Max Problem
24640 AtCoder OUPC2023-DAY1: E. Han Burger 2
24639 AtCoder OUPC2023-DAY1: D. Han Burger
24638 AtCoder OUPC2023-DAY1: C. Caesar Cipher
24637 AtCoder OUPC2023-DAY1: B. Gomamayo
24636 AtCoder OUPC2023-DAY1: A. Mijingiri
24635 AtCoder JOI2024YO2: E. 高速道路の通行料金 (Highway Tolls)
24634 AtCoder JOI2024YO2: D. 庭園 2 (Garden 2)
24633 AtCoder JOI2024YO2: C. 白色光 2 (White Light 2)
24632 AtCoder JOI2024YO2: B. 買い物 2 (Shopping 2)
24631 AtCoder JOI2024YO2: A. カードゲーム 2 (Card Game 2)
24630 AtCoder JOI2024YO1C: D. 差 (Difference)
24629 AtCoder JOI2024YO1C: C. 揃った文字 (Matched Letters)
24628 AtCoder JOI2024YO1C: B. 桁 (Digit)
24627 AtCoder JOI2024YO1C: A. 分 (Minutes)
24626 AtCoder ARC170: F. Edge Deletion 2
24625 AtCoder ARC170: E. BDFS
24624 AtCoder ARC170: D. Triangle Card Game
24623 AtCoder ARC170: C. Prefix Mex Sequence
24622 AtCoder ARC170: B. Arithmetic Progression Subsequence
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