ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4226 P677C  Vanya and Label 0 / 0 5
4181 P687A  NP-Hard Problem 0 / 0 5
4162 P690C2  Brain Network (medium) 0 / 0 5
4146 P696A  Lorenzo Von Matterhorn 0 / 0 5
4124 P701C  They Are Everywhere 0 / 0 5
4122 P702B  Powers of Two 0 / 0 5
4120 P702C  Cellular Network 1 / 1 5
4097 P707C  Pythagorean Triples 0 / 0 5
4088 P709B  Checkpoints 0 / 0 5
4085 P710C  Magic Odd Square 0 / 0 5
4016 P724B  Batch Sort 0 / 0 5
3932 P742B  Arpa’s obvious problem and Mehrdad’s terrible solution 0 / 0 5
3929 P743C  Vladik and fractions 1 / 2 5
3926 P744A  Hongcow Builds A Nation 0 / 1 5
3917 P746D  Green and Black Tea 0 / 0 5
3905 P748B  Santa Claus and Keyboard Check 0 / 0 5
3897 P749C  Voting 0 / 0 5
3851 P760B  Frodo and pillows 0 / 0 5
3827 P761C  Dasha and Password 0 / 0 5
3780 P770C  Online Courses In BSU 0 / 7 5
3778 P771A  Bear and Friendship Condition 1 / 1 5
3777 P771B  Bear and Different Names 1 / 1 5
3758 P774D  Lie or Truth 0 / 0 5
3608 P809A  Do you want a date? 0 / 0 5
3594 P812C  Sagheer and Nubian Market 0 / 0 5
3571 P817B  Makes And The Product 0 / 0 5
3550 P821C  Okabe and Boxes 0 / 0 5
3538 P825D  Suitable Replacement 0 / 0 5
3498 P837C  Two Seals 0 / 0 5
3485 P839C  Journey 0 / 0 5
3461 P845C  Two TVs 1 / 1 5
3456 P846A  Curriculum Vitae 1 / 2 5
3450 P847A  Union of Doubly Linked Lists 0 / 0 5
3413 P853A  Planning 0 / 0 5
3405 P855B  Marvolo Gaunt's Ring 0 / 0 5
3392 P858B  Which floor? 0 / 0 5
3391 P858C  Did you mean... 0 / 0 5
3385 P859C  Pie Rules 0 / 0 5
3372 P863B  Kayaking 0 / 0 5
3364 P864C  Bus 0 / 0 5
3363 P864D  Make a Permutation! 0 / 0 5
3350 P868C  Qualification Rounds 0 / 0 5
3332 P873B  Balanced Substring 0 / 0 5
3326 P875B  Sorting the Coins 0 / 0 5
3318 P877B  Nikita and string 2 / 6 5
3302 P883E  Field of Wonders 0 / 0 5
3291 P884C  Bertown Subway 0 / 0 5
3279 P887C  Solution for Cube 0 / 0 5
3267 P891A  Pride 0 / 0 5
3220 P901A  Hashing Trees 0 / 0 5

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