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)
13621 AtCoder NADAFES2022_DAY1: F. Mth Next Permutation
13620 AtCoder NADAFES2022_DAY1: E. Even Degree
13619 AtCoder NADAFES2022_DAY1: D. Double Permutations
13618 AtCoder NADAFES2022_DAY1: C. Flood
13617 AtCoder NADAFES2022_DAY1: B. Exist Multiples
13616 AtCoder NADAFES2022_DAY1: A. Max Inversion
13615 AtCoder MUJIN-PC-2018: H. タイル張り
13614 AtCoder MUJIN-PC-2018: G. 移動
13613 AtCoder MUJIN-PC-2018: F. チーム分け
13612 AtCoder MUJIN-PC-2018: E. 迷路
13611 AtCoder MUJIN-PC-2018: D. うほょじご
13610 AtCoder MUJIN-PC-2018: C. 右折
13609 AtCoder MUJIN-PC-2018: B. セキュリティ
13608 AtCoder MUJIN-PC-2018: A. コンテスト名
13607 AtCoder MUJIN-PC-2017: D. Oriented Tree
13606 AtCoder MUJIN-PC-2017: C. Robot and String
13605 AtCoder MUJIN-PC-2017: B. Row to Column
13604 AtCoder MUJIN-PC-2017: A. Robot Racing
13603 AtCoder MUJIN-PC-2016: E. Hexagon
13602 AtCoder MUJIN-PC-2016: D. Parenthesis Sequence
13601 AtCoder MUJIN-PC-2016: C. Orange Graph
13600 AtCoder MUJIN-PC-2016: B. Robot Arm
13599 AtCoder MUJIN-PC-2016: A. MUJIN
13598 AtCoder MONAMIEHB2021: E. Min Cost Sort
13597 AtCoder MONAMIEHB2021: D. Nice Couples
13596 AtCoder MONAMIEHB2021: C. Ball in the Box
13595 AtCoder MONAMIEHB2021: B. Lovely Sequence
13594 AtCoder MONAMIEHB2021: A. Crab or Shrimp
13593 AtCoder MAXIMUM-CUP-2018: H. Maxmin Tour
13592 AtCoder MAXIMUM-CUP-2018: G. Sparrow's trick
13591 AtCoder MAXIMUM-CUP-2018: F. 献立表制作
13590 AtCoder MAXIMUM-CUP-2018: E. Interrupt Array
13589 AtCoder MAXIMUM-CUP-2018: D. Many Go Round
13588 AtCoder MAXIMUM-CUP-2018: C. 嘘つきな天使たち
13587 AtCoder MAXIMUM-CUP-2018: B. 駆け抜けろ!埼大山車部!!
13586 AtCoder MAXIMUM-CUP-2018: A. フィギュアスケート界の貴公子埼大選手
13585 AtCoder MAXIMUM-CUP-2013: J. ALPHAのならび
13584 AtCoder MAXIMUM-CUP-2013: I. 実績: ヘビマスター
13583 AtCoder MAXIMUM-CUP-2013: H. さいたまの矛盾
13582 AtCoder MAXIMUM-CUP-2013: G. King's Ring Tower
13581 AtCoder MAXIMUM-CUP-2013: F. 3人の騎士と1匹の犬
13580 AtCoder MAXIMUM-CUP-2013: E. Alicia's Rare card Challenge
13579 AtCoder MAXIMUM-CUP-2013: D. 絆よりも恋人が大事
13578 AtCoder MAXIMUM-CUP-2013: C. 白蛇のお守り
13577 AtCoder MAXIMUM-CUP-2013: B. Working for the World
13576 AtCoder MAXIMUM-CUP-2013: A. 特別作戦
13575 AtCoder MATH-AND-ALGORITHM: 026. Coin Gacha
13574 AtCoder MATH-AND-ALGORITHM: 025. Jiro's Vacation
13573 AtCoder MATH-AND-ALGORITHM: 024. Answer Exam Randomly
13572 AtCoder MATH-AND-ALGORITHM: 023. Dice Expectation
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