ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4917 P830C  Bamboo Partition 0 / 0 8
4915 P830E  Perpetual Motion Machine 0 / 0 10
4914 P831A  Unimodal Array 0 / 0 普及/提高-
4913 P831B  Keyboard Layouts 0 / 0 普及/提高-
4910 P832B  Petya and Exam 0 / 0 提高+/省选-
4909 P832C  Strange Radiation 0 / 0 9
4903 P833D  Red-Black Cobweb 0 / 0 10
4901 P834A  The Useless Toy 0 / 0 普及/提高-
4900 P834B  The Festive Evening 0 / 0 普及/提高-
4897 P835C  Star sky 0 / 0 提高+/省选-
4893 P837A  Text Volume 0 / 0 普及/提高-
4892 P837B  Flag of Berland 0 / 0 提高+/省选-
4891 P837C  Two Seals 0 / 0 提高+/省选-
4889 P837E  Vasya's Function 0 / 0 NOI/NOI+/CTSC
4880 P839A  Arya and Bran 0 / 0 普及/提高-
4879 P839B  Game of the Rows 0 / 0 省选/NOI-
4870 P841A  Generous Kefa 0 / 0 普及/提高-
4863 P843A  Sorting by Subsequences 0 / 0 普及+/提高
4858 P844A  Diversity 0 / 0 普及/提高-
4856 P845A  Chess Tourney 0 / 0 普及/提高-
4855 P845B  Luba And The Ticket 0 / 0 提高+/省选-
4849 P846A  Curriculum Vitae 0 / 0 提高+/省选-
4843 P847A  Union of Doubly Linked Lists 0 / 0 提高+/省选-
4837 P847G  University Classes 0 / 0 普及/提高-
4835 P847I  Noise Level 0 / 0 省选/NOI-
4833 P847K  Travel Cards 0 / 0 省选/NOI-
4831 P847M  Weather Tomorrow 0 / 0 普及/提高-
4829 P848B  Rooter's Song 0 / 0 省选/NOI-
4825 P849A  Odds and Ends 0 / 0 普及/提高-
4822 P850B  Arpa and a list of numbers 0 / 0 NOI/NOI+/CTSC
4817 P851A  Arpa and a research in Mexican wave 0 / 0 普及/提高-
4815 P852A  Digits 0 / 0 9
4809 P852G  Bathroom terminal 0 / 0 提高+/省选-
4799 P855A  Tom Riddle's Diary 0 / 0 普及/提高-
4785 P858B  Which floor? 0 / 0 提高+/省选-
4784 P858C  Did you mean... 0 / 0 提高+/省选-
4783 P858D  Polycarp's phone book 0 / 0 提高+/省选-
4782 P858E  Tests Renumeration 0 / 0 8
4780 P859A  Declined Finalists 0 / 0 普及/提高-
4772 P862A  Mahmoud and Ehab and the MEX 0 / 0 普及/提高-
4766 P863A  Quasi-palindrome 0 / 0 普及/提高-
4764 P863C  1-2-3 0 / 0 省选/NOI-
4763 P863D  Yet Another Array Queries Problem 0 / 0 省选/NOI-
4759 P864A  Fair Game 0 / 0 普及/提高-
4758 P864B  Polycarp and Letters 0 / 0 普及/提高-
4757 P864C  Bus 0 / 0 提高+/省选-
4756 P864D  Make a Permutation! 0 / 0 提高+/省选-
4746 P867A  Between the Offices 0 / 0 普及/提高-
4745 P868A  Bark to Unlock 0 / 0 普及/提高-
4744 P868B  Race Against Time 0 / 0 普及+/提高

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