ID 题目 显示标签 隐藏标签 AC / 尝试 难度
5045 P799D  Field expansion 0 / 0 NOI/NOI+/CTSC
5041 P801A  Vicious Keyboard 0 / 0 普及/提高-
5014 P804D  Expected diameter of a tree 0 / 0 9
5008 P807B  T-Shirt Hunt 0 / 0 普及+/提高
4993 P811A  Vladik and Courtesy 0 / 0 普及/提高-
4987 P812B  Sagheer, the Hausmeister 0 / 0 提高+/省选-
4982 P813B  The Golden Age 0 / 0 省选/NOI-
4975 P814C  An impassioned circulation of affection 0 / 0 提高+/省选-
4972 P815A  Karen and Game 0 / 0 提高+/省选-
4971 P815B  Karen and Test 0 / 0 8
4970 P815C  Karen and Supermarket 0 / 0 9
4967 P816A  Karen and Morning 0 / 0 普及/提高-
4963 P817C  Really Big Numbers 0 / 0 提高+/省选-
4957 P818C  Sofa Thief 0 / 0 NOI/NOI+/CTSC
4944 P821B  Okabe and Banana Trees 0 / 0 普及+/提高
4939 P822B  Crossword solving 0 / 0 普及/提高-
4937 P822D  My pretty girl Noora 0 / 0 省选/NOI-
4933 P825B  Five-In-a-Row 0 / 0 提高+/省选-
4919 P830A  Office Keys 0 / 0 省选/NOI-
4917 P830C  Bamboo Partition 0 / 0 8
4912 P831C  Jury Marks 0 / 0 提高+/省选-
4904 P833C  Ever-Hungry Krakozyabra 0 / 0 10
4896 P835D  Palindromic characteristics 0 / 0 省选/NOI-
4892 P837B  Flag of Berland 0 / 0 提高+/省选-
4891 P837C  Two Seals 0 / 0 提高+/省选-
4888 P837F  Prefix Sums 0 / 0 9
4886 P838A  Binary Blocks 0 / 0 普及+/提高
4879 P839B  Game of the Rows 0 / 0 省选/NOI-
4876 P839E  Mother of Dragons 0 / 0 10
4870 P841A  Generous Kefa 0 / 0 普及/提高-
4868 P842A  Kirill And The Game 0 / 0 普及+/提高
4862 P843B  Interactive LowerBound 0 / 0 NOI/NOI+/CTSC
4855 P845B  Luba And The Ticket 0 / 0 提高+/省选-
4849 P846A  Curriculum Vitae 0 / 0 提高+/省选-
4848 P846B  Math Show 0 / 0 省选/NOI-
4847 P846C  Four Segments 0 / 0 省选/NOI-
4824 P849B  Tell Your World 0 / 0 提高+/省选-
4823 P850A  Five Dimensional Points 0 / 0 提高+/省选-
4819 P850E  Random Elections 0 / 0 10
4815 P852A  Digits 0 / 0 9
4807 P852I  Dating 0 / 0 8
4801 P854A  Fraction 0 / 0 普及/提高-
4799 P855A  Tom Riddle's Diary 0 / 0 普及/提高-
4798 P855B  Marvolo Gaunt's Ring 0 / 0 提高+/省选-
4792 P856A  Set Theory 0 / 0 提高+/省选-
4786 P858A  k-rounding 0 / 0 普及/提高-
4785 P858B  Which floor? 0 / 0 提高+/省选-
4779 P859B  Lazy Security Guard 0 / 0 普及/提高-
4766 P863A  Quasi-palindrome 0 / 0 普及/提高-
4765 P863B  Kayaking 0 / 0 提高+/省选-

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