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  • AMC 8: [year] AMC 8 Problem #, Ex: 2013 AMC 8 Problem 1
  • AMC 10: [year] AMC 10A Problem # OR [year] AMC 10B Problem #, Ex: 2015 AMC 10A Problem 16
  • AMC 12: [year] AMC 12A Problem # OR [year] AMC 12B Problem #, Ex: 2021 AMC 12B Problem 25
  • AIME: [year] AIME I Problem # OR [year] AIME II Problem #, Ex: 2013 AIME I Problem 8
  • USAJMO/USAMO: [year] USAJMO/USAMO Problem #, Ex: 2023 USAJMO Problem 1
  • Codeforces: Codeforces [contest id (e.g. 101)][problem id (e.g. A, B, C)]: [Codeforces problem name], Ex: Codeforces 1336F: Journey
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ID Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)
7650 Codeforces 1660B: Vlad and Candies
7649 Codeforces 1660A: Vasya and Coins
7648 Codeforces 1659F: Tree and Permutation Game
7647 Codeforces 1659E: AND-MEX Walk
7646 Codeforces 1659D: Reverse Sort Sum
7645 Codeforces 1659C: Line Empire
7644 Codeforces 1659B: Bit Flipping
7643 Codeforces 1659A: Red Versus Blue
7642 Codeforces 1658F: Juju and Binary String
7641 Codeforces 1658E: Gojou and Matrix Game
7640 Codeforces 1658D2: 388535 (Hard Version)
7639 Codeforces 1658D1: 388535 (Easy Version)
7638 Codeforces 1658C: Shinju and the Lost Permutation
7637 Codeforces 1658B: Marin and Anti-coprime Permutation
7636 Codeforces 1658A: Marin and Photoshoot
7635 Codeforces 1657F: Words on Tree
7634 Codeforces 1657E: Star MST
7633 Codeforces 1657D: For Gamers. By Gamers.
7632 Codeforces 1657C: Bracket Sequence Deletion
7631 Codeforces 1657B: XY Sequence
7630 Codeforces 1657A: Integer Moves
7629 Codeforces 1656I: Neighbour Ordering
7628 Codeforces 1656H: Equal LCM Subsets
7627 Codeforces 1656G: Cycle Palindrome
7626 Codeforces 1656F: Parametric MST
7625 Codeforces 1656E: Equal Tree Sums
7624 Codeforces 1656D: K-good
7623 Codeforces 1656C: Make Equal With Mod
7622 Codeforces 1656B: Subtract Operation
7621 Codeforces 1656A: Good Pairs
7620 Codeforces 1654H: Three Minimums
7619 Codeforces 1654G: Snowy Mountain
7618 Codeforces 1654F: Minimal String Xoration
7617 Codeforces 1654E: Arithmetic Operations
7616 Codeforces 1654D: Potion Brewing Class
7615 Codeforces 1654C: Alice and the Cake
7614 Codeforces 1654B: Prefix Removals
7613 Codeforces 1654A: Maximum Cake Tastiness
7612 Codeforces 1651F: Tower Defense
7611 Codeforces 1651E: Sum of Matchings
7610 Codeforces 1651D: Nearest Excluded Points
7609 Codeforces 1651C: Fault-tolerant Network
7608 Codeforces 1651B: Prove Him Wrong
7607 Codeforces 1651A: Playoff
7606 Codeforces 1650G: Counting Shortcuts
7605 Codeforces 1650F: Vitaly and Advanced Useless Algorithms
7604 Codeforces 1650E: Rescheduling the Exam
7603 Codeforces 1650D: Twist the Permutation
7602 Codeforces 1650C: Weight of the System of Nested Segments
7601 Codeforces 1650B: DIV + MOD
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