ID 题目 显示标签 隐藏标签 AC / 尝试 难度
5863 P271C  Secret 0 / 0 5
5860 P272A  Dima and Friends 1 / 1 3
5859 P272B  Dima and Sequence 0 / 0 4
5858 P272C  Dima and Staircase 1 / 6 5
5849 P274E  Mirror Room 0 / 0 10
5848 P275A  Lights Out 0 / 0 3
5847 P275B  Convex Shape 0 / 0 5
5846 P276A  Lunch Rush 0 / 0 3
5844 P276C  Little Girl and Maximum Sum 0 / 0 5
5843 P276D  Little Girl and Maximum XOR 0 / 0 5
5839 P277C  Game 0 / 0 9
5836 P278A  Circle Line 0 / 0 3
5834 P279A  Point on Spiral 0 / 0 4
5833 P279B  Books 0 / 0 4
5832 P279C  Ladder 0 / 0 5
5828 P280B  Maximum Xor Secondary 1 / 1 6
5827 P280C  Game on Tree 1 / 1 8
5826 P280D  k-Maximum Subsequence Sum 4 / 6 10
5825 P280E  Sequence Transformation 0 / 0 10
5824 P281A  Word Capitalization 1 / 1 3
5823 P281B  Nearest Fraction 0 / 0 5
5822 P282A  Bit++ 2 / 2 3
5820 P282C  XOR and OR 0 / 0 5
5817 P283A  Cows and Sequence 0 / 0 5
5812 P284A  Cows and Primitive Roots 0 / 0 4
5811 P284B  Cows and Poker Game 0 / 0 3
5810 P285A  Slightly Decreasing Permutations 0 / 0 3
5809 P285B  Find Marble 0 / 0 4
5808 P285C  Building Permutation 0 / 0 4
5807 P285D  Permutation Sum 0 / 0 6
5804 P286B  Shifting 0 / 0 8
5802 P286C  Main Sequence 0 / 0 7
5800 P287A  IQ Test 0 / 0 3
5796 P288C  Polo the Penguin and XOR operation 0 / 0 5
5794 P288E  Polo the Penguin and Lucky Numbers 0 / 0 10
5793 P289A  Polo the Penguin and Segments 0 / 0 3
5792 P289B  Polo the Penguin and Matrix 0 / 0 4
5791 P290A  Mysterious strings 0 / 0 4
5790 P290B  QR code 1 / 1 5
5789 P290C  WTF? 0 / 0 5
5787 P290D  Orange 0 / 0 4
5785 P291A  Spyke Talks 1 / 1 3
5783 P291B  Command Line Arguments 0 / 0 4
5784 P291C  Network Mask 0 / 0 5
5780 P292A  SMSC 1 / 1 3
5779 P292B  Network Topology 0 / 0 4
5769 P294A  Shaass and Oskols 1 / 1 3
5767 P294D  Shaass and Painter Robot 0 / 0 9
5765 P295A  Greg and Array 0 / 0 4
5753 P298A  Snow Footprints 0 / 0 4

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