34 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
10971 P11576   [CCC 2020] Dog Treats 0 / 0 1
10985 P11577   [CCC 2020] Epidemiology 0 / 0 1
10930 P11578   [CCC 2020] Art 0 / 0 1
10986 P11579   [CCC 2020] Cyclic Shifts 0 / 0 1
10988 P11580   [CCC 2020] Escape Room 0 / 0 5
11000 P11581   [CCC 2020] Surmising a Sprinter's Speed 0 / 0 3
11001 P11582   [CCC 2020] Searching for Strings 0 / 0 6
11697 P11857   [CCC 2025 Senior] 挂画 / Positioning Peter's Paintings 0 / 0 1
11698 P11858   [CCC 2025 Senior] 破译 / Cryptogram Cracking Club 0 / 0 5
11699 P11859   [CCC 2025 Senior] 画画 / Pretty Pens 0 / 0 6
11700 P11860   [CCC 2025 Senior] 熔岩路 / Floor is Lava 0 / 0 6
11701 P11861   [CCC 2025 Senior] 写作业 / To-Do List 0 / 0 7
12406 P12609   [CCC 2025 Junior] Roller Coaster Ride 0 / 0 1
12407 P12610   [CCC 2025 Junior] Donut Shop 0 / 0 1
12408 P12611   [CCC 2025 Junior] Product Codes 0 / 0 3
12409 P12612   [CCC 2025 Junior] Sunny Days 0 / 0 3
12410 P12613   [CCC 2025 Junior] Connecting Territories 0 / 0 3
15377 P15413   [CCC 2019 J4/S1] Flipper 翻转 0 / 0 1
15378 P15414   [CCC 2019 S2] Pretty Average Primes 优雅平均质数 0 / 0 3
15381 P15415   [CCC 2019 S3] Arithmetic Square 等差方阵 0 / 0 6
15420 P15518   [CCC 2016 J1] Tournament Selection 0 / 0 1
15421 P15519   [CCC 2016 J2] Magic Squares 0 / 0 1
15422 P15520   [CCC 2016 J3] Hidden Palindrome 0 / 0 3
15395 P15521   [CCC 2016 J4] Arrival Time 0 / 0 3
15396 P15522   [CCC 2016 J5/S2] Tandem Bicycle 0 / 0 3
15512 P15536   [CCC 2026 J1] Concert Tickets 0 / 0 1
15513 P15537   [CCC 2026 J2] Olympic Scores 0 / 0 1
15515 P15538   [CCC 2026 J3] Creative Candy Consumption 0 / 0 1
15516 P15539   [CCC 2026 J4] Snail Path 0 / 0 3
15517 P15540   [CCC 2026 J5/S2] Beams of Light 0 / 0 3
15518 P15541   [CCC 2026 S1] Baby Hop, Giant Hop 0 / 0 3
15519 P15542   [CCC 2026 S3] Common Card Choice 0 / 0 6
15520 P15543   [CCC 2026 S4] Minecarts 0 / 0 8
15521 P15544   [CCC 2026 S5] On the Fence 0 / 0 8
  • 1

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