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ID Problem Show tags Hide tags AC / Tried Difficulty
11165 P11576  [CCC 2020] Dog Treats 0 / 0 1
11182 P11577  [CCC 2020] Epidemiology 0 / 0 1
11121 P11578  [CCC 2020] Art 0 / 0 1
11183 P11579  [CCC 2020] Cyclic Shifts 0 / 0 1
11185 P11580  [CCC 2020] Escape Room 0 / 0 3
11197 P11581  [CCC 2020] Surmising a Sprinter's Speed 0 / 0 2
11198 P11582  [CCC 2020] Searching for Strings 0 / 0 4
11719 P11857  [CCC 2025 Senior] 挂画 / Positioning Peter’s Paintings 0 / 0 1
11720 P11858  [CCC 2025 Senior] 破译 / Cryptogram Cracking Club 0 / 0 3
11721 P11859  [CCC 2025 Senior] 画画 / Pretty Pens 0 / 0 4
11722 P11860  [CCC 2025 Senior] 熔岩路 / Floor is Lava 0 / 0 5
11723 P11861  [CCC 2025 Senior] 写作业 / To-Do List 0 / 0 5
12432 P12609  [CCC 2025 Junior] Roller Coaster Ride 0 / 0 1
12433 P12610  [CCC 2025 Junior] Donut Shop 0 / 0 1
12434 P12611  [CCC 2025 Junior] Product Codes 0 / 0 2
12435 P12612  [CCC 2025 Junior] Sunny Days 0 / 0 2
12436 P12613  [CCC 2025 Junior] Connecting Territories 0 / 0 2
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