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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)
8450 Codeforces 1792C: Min Max Sort
8449 Codeforces 1792B: Stand-up Comedian
8448 Codeforces 1792A: GamingForces
8447 Codeforces 1791G2: Teleporters (Hard Version)
8446 Codeforces 1791G1: Teleporters (Easy Version)
8445 Codeforces 1791F: Range Update Point Query
8444 Codeforces 1791E: Negatives and Positives
8443 Codeforces 1791D: Distinct Split
8442 Codeforces 1791C: Prepend and Append
8441 Codeforces 1791B: Following Directions
8440 Codeforces 1791A: Codeforces Checking
8439 Codeforces 1790G: Tokens on Graph
8438 Codeforces 1790F: Timofey and Black-White Tree
8437 Codeforces 1790E: Vlad and a Pair of Numbers
8436 Codeforces 1790D: Matryoshkas
8435 Codeforces 1790C: Premutation
8434 Codeforces 1790B: Taisia and Dice
8433 Codeforces 1790A: Polycarp and the Day of Pi
8432 Codeforces 1789F: Serval and Brain Power
8431 Codeforces 1789E: Serval and Music Game
8430 Codeforces 1789D: Serval and Shift-Shift-Shift
8429 Codeforces 1789C: Serval and Toxel's Arrays
8428 Codeforces 1789B: Serval and Inversion Magic
8427 Codeforces 1789A: Serval and Mocha's Array
8426 Codeforces 1788F: XOR, Tree, and Queries
8425 Codeforces 1788E: Sum Over Zero
8424 Codeforces 1788D: Moving Dots
8423 Codeforces 1788C: Matching Numbers
8422 Codeforces 1788B: Sum of Two Numbers
8421 Codeforces 1788A: One and Two
8420 Codeforces 1787I: Treasure Hunt
8419 Codeforces 1787H: Codeforces Scoreboard
8418 Codeforces 1787G: Colorful Tree Again
8417 Codeforces 1787F: Inverse Transformation
8416 Codeforces 1787E: The Harmonization of XOR
8415 Codeforces 1787D: Game on Axis
8414 Codeforces 1787C: Remove the Bracket
8413 Codeforces 1787B: Number Factorization
8412 Codeforces 1787A: Exponential Equation
8411 Codeforces 1786B: Cake Assembly Line
8410 Codeforces 1786A2: Alternating Deck (hard version)
8409 Codeforces 1786A1: Non-alternating Deck (easy version)
8408 Codeforces 1784F: Minimums or Medians
8407 Codeforces 1784E: Infinite Game
8406 Codeforces 1784D: Wooden Spoon
8405 Codeforces 1784C: Monsters (hard version)
8404 Codeforces 1784B: Letter Exchange
8403 Codeforces 1784A: Monsters (easy version)
8402 Codeforces 1783G: Weighed Tree Radius
8401 Codeforces 1783F: Double Sort II
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