ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4559 P830C   Bamboo Partition 0 / 0 8
4556 P830E   Perpetual Motion Machine 0 / 0 10
4555 P831A   Unimodal Array 0 / 0 3
4554 P831B   Keyboard Layouts 0 / 0 3
4551 P832B   Petya and Exam 0 / 0 5
4550 P832C   Strange Radiation 0 / 0 9
4544 P833D   Red-Black Cobweb 0 / 0 10
4542 P834A   The Useless Toy 0 / 0 3
4541 P834B   The Festive Evening 0 / 0 3
4538 P835C   Star sky 0 / 0 5
4534 P837A   Text Volume 0 / 0 3
4533 P837B   Flag of Berland 0 / 0 5
4532 P837C   Two Seals 0 / 0 5
4531 P837E   Vasya's Function 0 / 0 7
4521 P839A   Arya and Bran 0 / 0 3
4520 P839B   Game of the Rows 0 / 0 6
4511 P841A   Generous Kefa 0 / 0 3
4504 P843A   Sorting by Subsequences 0 / 0 4
4499 P844A   Diversity 0 / 0 3
4498 P845A   Chess Tourney 0 / 0 3
4496 P845B   Luba And The Ticket 0 / 0 5
4490 P846A   Curriculum Vitae 0 / 0 5
4484 P847A   Union of Doubly Linked Lists 0 / 0 5
4478 P847G   University Classes 0 / 0 3
4476 P847I   Noise Level 0 / 0 6
4474 P847K   Travel Cards 0 / 0 6
4472 P847M   Weather Tomorrow 0 / 0 3
4470 P848B   Rooter's Song 0 / 0 6
4466 P849A   Odds and Ends 0 / 0 3
4463 P850B   Arpa and a list of numbers 0 / 0 7
4459 P851A   Arpa and a research in Mexican wave 0 / 0 3
4456 P852A   Digits 0 / 0 9
4451 P852G   Bathroom terminal 0 / 0 5
4440 P855A   Tom Riddle's Diary 0 / 0 3
4426 P858B   Which floor? 0 / 0 5
4424 P858C   Did you mean... 0 / 0 5
4423 P858D   Polycarp's phone book 0 / 0 5
4425 P858E   Tests Renumeration 0 / 0 8
4421 P859A   Declined Finalists 0 / 0 3
4413 P862A   Mahmoud and Ehab and the MEX 0 / 0 3
4407 P863A   Quasi-palindrome 0 / 0 3
4406 P863C   1-2-3 0 / 0 6
4404 P863D   Yet Another Array Queries Problem 0 / 0 6
4400 P864A   Fair Game 0 / 0 3
4399 P864B   Polycarp and Letters 0 / 0 3
4398 P864C   Bus 0 / 0 5
4397 P864D   Make a Permutation! 0 / 0 5
4387 P867A   Between the Offices 0 / 0 3
4386 P868A   Bark to Unlock 0 / 0 3
4385 P868B   Race Against Time 0 / 0 4

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