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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
  • AtCoder: AtCoder [contest id (e.g. ABC314, ARC164, ZONE2021)]: [problem id (A, B, C)]. [Problem name], Ex: AtCoder ZONE2021: E. Sneaking
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  • USACO: [year] [contest month (e.g. January, US Open)], [division (e.g. Gold)]: [Problem name], Ex: USACO 2023 US Open Contest, Bronze: Rotate and Shift

ID Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)
24385 Codeforces 1904E: Tree Queries
24384 Codeforces 1904D2: Set To Max (Hard Version)
24383 Codeforces 1904D1: Set To Max (Easy Version)
24382 Codeforces 1904C: Array Game
24381 Codeforces 1904B: Collecting Game
24380 Codeforces 1904A: Forked!
24379 Codeforces 1903F: Babysitting
24378 Codeforces 1903E: Geo Game
24377 Codeforces 1903D2: Maximum And Queries (hard version)
24376 Codeforces 1903D1: Maximum And Queries (easy version)
24375 Codeforces 1903C: Theofanis' Nightmare
24374 Codeforces 1903B: StORage room
24373 Codeforces 1903A: Halloumi Boxes
24372 Codeforces 1902F: Trees and XOR Queries Again
24371 Codeforces 1902E: Collapsing Strings
24370 Codeforces 1902D: Robot Queries
24369 Codeforces 1902C: Insert and Equalize
24368 Codeforces 1902B: Getting Points
24367 Codeforces 1902A: Binary Imbalance
24366 Codeforces 1901F: Landscaping
24365 Codeforces 1901E: Compressed Tree
24364 Codeforces 1901D: Yet Another Monster Fight
24363 Codeforces 1901C: Add, Divide and Floor
24362 Codeforces 1901B: Chip and Ribbon
24361 Codeforces 1901A: Line Trip
24360 Codeforces 1900F: Local Deletions
24359 Codeforces 1900E: Transitive Graph
24358 Codeforces 1900D: Small GCD
24357 Codeforces 1900C: Anji's Binary Tree
24356 Codeforces 1900B: Laura and Operations
24355 Codeforces 1900A: Cover in Water
24354 Codeforces 1899G: Unusual Entertainment
24353 Codeforces 1899F: Alex's whims
24352 Codeforces 1899E: Queue Sort
24351 Codeforces 1899D: Yarik and Musical Notes
24350 Codeforces 1899C: Yarik and Array
24349 Codeforces 1899B: 250 Thousand Tons of TNT
24348 Codeforces 1899A: Game with Integers
24347 Codeforces 1898F: Vova Escapes the Matrix
24346 Codeforces 1898E: Sofia and Strings
24345 Codeforces 1898D: Absolute Beauty
24344 Codeforces 1898C: Colorful Grid
24343 Codeforces 1898B: Milena and Admirer
24342 Codeforces 1898A: Milica and String
24341 Codeforces 1896H2: Cyclic Hamming (Hard Version)
24340 Codeforces 1896H1: Cyclic Hamming (Easy Version)
24339 Codeforces 1896G: Pepe Racing
24338 Codeforces 1896F: Bracket Xoring
24337 Codeforces 1896E: Permutation Sorting
24336 Codeforces 1896D: Ones and Twos
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