ID 题目 显示标签 隐藏标签 AC / 尝试 难度
5880 P687A   NP-Hard Problem 0 / 0 5
5861 P690C2   Brain Network (medium) 0 / 0 5
5845 P696A   Lorenzo Von Matterhorn 0 / 0 5
5822 P701C   They Are Everywhere 0 / 0 5
5820 P702B   Powers of Two 0 / 0 5
5819 P702C   Cellular Network 0 / 0 5
5796 P707C   Pythagorean Triples 0 / 0 5
5787 P709B   Checkpoints 0 / 0 5
5784 P710C   Magic Odd Square 0 / 0 5
5717 P724B   Batch Sort 0 / 0 5
5634 P742B   Arpa’s obvious problem and Mehrdad’s terrible solution 0 / 0 5
5631 P743C   Vladik and fractions 0 / 0 5
5628 P744A   Hongcow Builds A Nation 0 / 0 5
5618 P746D   Green and Black Tea 0 / 0 5
5607 P748B   Santa Claus and Keyboard Check 0 / 0 5
5600 P749C   Voting 0 / 0 5
5554 P760B   Frodo and pillows 0 / 0 5
5551 P761C   Dasha and Password 0 / 0 5
5504 P770C   Online Courses In BSU 0 / 0 5
5502 P771A   Bear and Friendship Condition 0 / 0 5
5501 P771B   Bear and Different Names 0 / 0 5
5482 P774D   Lie or Truth 0 / 0 5
5332 P809A   Do you want a date? 0 / 0 5
5318 P812C   Sagheer and Nubian Market 0 / 0 5
5296 P817B   Makes And The Product 0 / 0 5
5275 P821C   Okabe and Boxes 0 / 0 5
5263 P825D   Suitable Replacement 0 / 0 5
5223 P837C   Two Seals 0 / 0 5
5210 P839C   Journey 0 / 0 5
5186 P845C   Two TVs 0 / 0 5
5181 P846A   Curriculum Vitae 0 / 0 5
5175 P847A   Union of Doubly Linked Lists 0 / 0 5
5138 P853A   Planning 0 / 0 5
5130 P855B   Marvolo Gaunt's Ring 0 / 0 5
5117 P858B   Which floor? 0 / 0 5
5116 P858C   Did you mean... 0 / 0 5
5110 P859C   Pie Rules 0 / 0 5
5097 P863B   Kayaking 0 / 0 5
5089 P864C   Bus 0 / 0 5
5088 P864D   Make a Permutation! 0 / 0 5
5075 P868C   Qualification Rounds 0 / 0 5
5057 P873B   Balanced Substring 0 / 0 5
5051 P875B   Sorting the Coins 0 / 0 5
5043 P877B   Nikita and string 0 / 0 5
5027 P883E   Field of Wonders 0 / 0 5
5016 P884C   Bertown Subway 0 / 0 5
5004 P887C   Solution for Cube 0 / 0 5
4992 P891A   Pride 0 / 0 5
4938 P901A   Hashing Trees 0 / 0 5
4915 P908C   New Year and Curling 0 / 0 5

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