ID 题目 显示标签 隐藏标签 AC / 尝试 难度
5195 P687A   NP-Hard Problem 0 / 0 5
5176 P690C2   Brain Network (medium) 0 / 0 5
5160 P696A   Lorenzo Von Matterhorn 0 / 0 5
5137 P701C   They Are Everywhere 0 / 0 5
5135 P702B   Powers of Two 0 / 0 5
5134 P702C   Cellular Network 0 / 0 5
5111 P707C   Pythagorean Triples 0 / 0 5
5102 P709B   Checkpoints 0 / 0 5
5099 P710C   Magic Odd Square 0 / 0 5
5026 P724B   Batch Sort 0 / 0 5
4943 P742B   Arpa’s obvious problem and Mehrdad’s terrible solution 0 / 0 5
4940 P743C   Vladik and fractions 0 / 0 5
4937 P744A   Hongcow Builds A Nation 0 / 0 5
4927 P746D   Green and Black Tea 0 / 0 5
4916 P748B   Santa Claus and Keyboard Check 0 / 0 5
4909 P749C   Voting 0 / 0 5
4863 P760B   Frodo and pillows 0 / 0 5
4860 P761C   Dasha and Password 0 / 0 5
4813 P770C   Online Courses In BSU 0 / 0 5
4810 P771A   Bear and Friendship Condition 0 / 0 5
4811 P771B   Bear and Different Names 0 / 0 5
4791 P774D   Lie or Truth 0 / 0 5
4640 P809A   Do you want a date? 0 / 0 5
4629 P812C   Sagheer and Nubian Market 0 / 0 5
4605 P817B   Makes And The Product 0 / 0 5
4584 P821C   Okabe and Boxes 0 / 0 5
4572 P825D   Suitable Replacement 0 / 0 5
4532 P837C   Two Seals 0 / 0 5
4519 P839C   Journey 0 / 0 5
4494 P845C   Two TVs 0 / 0 5
4490 P846A   Curriculum Vitae 0 / 0 5
4484 P847A   Union of Doubly Linked Lists 0 / 0 5
4447 P853A   Planning 0 / 0 5
4439 P855B   Marvolo Gaunt's Ring 0 / 0 5
4426 P858B   Which floor? 0 / 0 5
4424 P858C   Did you mean... 0 / 0 5
4419 P859C   Pie Rules 0 / 0 5
4405 P863B   Kayaking 0 / 0 5
4398 P864C   Bus 0 / 0 5
4397 P864D   Make a Permutation! 0 / 0 5
4384 P868C   Qualification Rounds 0 / 0 5
4366 P873B   Balanced Substring 0 / 0 5
4360 P875B   Sorting the Coins 0 / 0 5
4352 P877B   Nikita and string 0 / 0 5
4336 P883E   Field of Wonders 0 / 0 5
4326 P884C   Bertown Subway 0 / 0 5
4314 P887C   Solution for Cube 0 / 0 5
4301 P891A   Pride 0 / 0 5
4253 P901A   Hashing Trees 0 / 0 5
4231 P908C   New Year and Curling 0 / 0 5

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