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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)
8150 Codeforces 1742G: Orray
8149 Codeforces 1742F: Smaller
8148 Codeforces 1742E: Scuza
8147 Codeforces 1742D: Coprime
8146 Codeforces 1742C: Stripes
8145 Codeforces 1742B: Increasing
8144 Codeforces 1742A: Sum
8143 Codeforces 1741G: Kirill and Company
8142 Codeforces 1741F: Multi-Colored Segments
8141 Codeforces 1741E: Sending a Sequence Over the Network
8140 Codeforces 1741D: Masha and a Beautiful Tree
8139 Codeforces 1741C: Minimize the Thickness
8138 Codeforces 1741B: Funny Permutation
8137 Codeforces 1741A: Compare T-Shirt Sizes
8136 Codeforces 1740I: Arranging Crystal Balls
8135 Codeforces 1740H: MEX Tree Manipulation
8134 Codeforces 1740G: Dangerous Laser Power
8133 Codeforces 1740F: Conditional Mix
8132 Codeforces 1740E: Hanging Hearts
8131 Codeforces 1740D: Knowledge Cards
8130 Codeforces 1740C: Bricks and Bags
8129 Codeforces 1740B: Jumbo Extra Cheese 2
8128 Codeforces 1740A: Factorise N+M
8127 Codeforces 1739F: Keyboard Design
8126 Codeforces 1739E: Cleaning Robot
8125 Codeforces 1739D: Reset K Edges
8124 Codeforces 1739C: Card Game
8123 Codeforces 1739B: Array Recovery
8122 Codeforces 1739A: Immobile Knight
8121 Codeforces 1738H: Palindrome Addicts
8120 Codeforces 1738G: Anti-Increasing Addicts
8119 Codeforces 1738F: Connectivity Addicts
8118 Codeforces 1738E: Balance Addicts
8117 Codeforces 1738D: Permutation Addicts
8116 Codeforces 1738C: Even Number Addicts
8115 Codeforces 1738B: Prefix Sum Addicts
8114 Codeforces 1738A: Glory Addicts
8113 Codeforces 1737G: Ela Takes Dancing Class
8112 Codeforces 1737F: Ela and Prime GCD
8111 Codeforces 1737E: Ela Goes Hiking
8110 Codeforces 1737D: Ela and the Wiring Wizard
8109 Codeforces 1737C: Ela and Crickets
8108 Codeforces 1737B: Ela's Fitness and the Luxury Number
8107 Codeforces 1737A: Ela Sorting Books
8106 Codeforces 1736E: Swap and Take
8105 Codeforces 1736D: Equal Binary Subsequences
8104 Codeforces 1736C2: Good Subarrays (Hard Version)
8103 Codeforces 1736C1: Good Subarrays (Easy Version)
8102 Codeforces 1736B: Playing with GCD
8101 Codeforces 1736A: Make A Equal to B
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