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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
  • DMOJ: DMOJ [contest name (if applicable)] [problem number (e.g. P1)] - [Problem name], Ex: DMOJ Yet Another Contest 3 P1 - Shell Swap Scam
  • 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)
25247 Codeforces 1985H2: Maximize the Largest Component (Hard Version)
25246 Codeforces 1985H1: Maximize the Largest Component (Easy Version)
25245 Codeforces 1985G: D-Function
25244 Codeforces 1985F: Final Boss
25243 Codeforces 1985E: Secret Box
25242 Codeforces 1985D: Manhattan Circle
25241 Codeforces 1985C: Good Prefixes
25240 Codeforces 1985B: Maximum Multiple Sum
25239 Codeforces 1985A: Creating Words
25238 Codeforces 1984H: Tower Capturing
25237 Codeforces 1984G: Magic Trick II
25236 Codeforces 1984F: Reconstruction
25235 Codeforces 1984E: Shuffle
25234 Codeforces 1984D: ''a'' String Problem
25233 Codeforces 1984C2: Magnitude (Hard Version)
25232 Codeforces 1984C1: Magnitude (Easy Version)
25231 Codeforces 1984B: Large Addition
25230 Codeforces 1984A: Strange Splitting
25229 Codeforces 1981F: Turtle and Paths on a Tree
25228 Codeforces 1981E: Turtle and Intersected Segments
25227 Codeforces 1981D: Turtle and Multiplication
25226 Codeforces 1981C: Turtle and an Incomplete Sequence
25225 Codeforces 1981B: Turtle and an Infinite Sequence
25224 Codeforces 1981A: Turtle and Piggy Are Playing a Game
25223 Codeforces 1980G: Yasya and the Mysterious Tree
25222 Codeforces 1980F2: Field Division (hard version)
25221 Codeforces 1980F1: Field Division (easy version)
25220 Codeforces 1980E: Permutation of Rows and Columns
25219 Codeforces 1980D: GCD-sequence
25218 Codeforces 1980C: Sofia and the Lost Operations
25217 Codeforces 1980B: Choosing Cubes
25216 Codeforces 1980A: Problem Generator
25215 Codeforces 1979F: Kostyanych's Theorem
25214 Codeforces 1979E: Manhattan Triangle
25213 Codeforces 1979D: Fixing a Binary String
25212 Codeforces 1979C: Earning on Bets
25211 Codeforces 1979B: XOR Sequences
25210 Codeforces 1979A: Guess the Maximum
25209 Codeforces 1977E: Tensor
25208 Codeforces 1977D: XORificator
25207 Codeforces 1977C: Nikita and LCM
25206 Codeforces 1977B: Binary Colouring
25205 Codeforces 1977A: Little Nikita
25204 Codeforces 1976F: Remove Bridges
25203 Codeforces 1976E: Splittable Permutations
25202 Codeforces 1976D: Invertible Bracket Sequences
25201 Codeforces 1976C: Job Interview
25200 Codeforces 1976B: Increase/Decrease/Copy
25199 Codeforces 1976A: Verify Password
25198 Codeforces 1975I: Mind Bloom
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