ID 题目 显示标签 隐藏标签 AC / 尝试 难度
5675 P661E   Divisibility Check 0 / 0 7
5674 P661F   Primes in Interval 0 / 0 6
5673 P661G   Hungarian Notation 0 / 0 8
5672 P661H   Rotate Matrix 0 / 0 9
5671 P662A   Gambling Nim 0 / 0 9
5670 P662B   Graph Coloring 0 / 0 8
5669 P662C   Binary Table 0 / 0 10
5668 P662D   International Olympiad 0 / 0 7
5667 P662E   To Hack or not to Hack 0 / 0 10
5666 P663A   Rebus 0 / 0 6
5665 P664A   Complicated GCD 0 / 0 3
5664 P665A   Buses Between Cities 0 / 0 5
5663 P665B   Shopping 0 / 0 4
5662 P665C   Simple Strings 0 / 0 4
5661 P665D   Simple Subset 0 / 0 6
5660 P665E   Beautiful Subarrays 0 / 0 7
5659 P665F   Four Divisors 0 / 0 9
5658 P666A   Reberland Linguistics 0 / 0 6
5657 P666B   World Tour 0 / 0 7
5656 P666C   Codeword 0 / 0 9
5655 P666D   Chain Reaction 0 / 0 10
5654 P666E   Forensic Examination 0 / 0 10
5653 P667A   Pouring Rain 0 / 0 3
5652 P667B   Coat of Anticubism 0 / 0 3
5651 P669A   Little Artem and Presents 0 / 0 3
5650 P670A   Holidays 0 / 0 3
5649 P670B   Game of Robots 0 / 0 3
5648 P670C   Cinema 0 / 0 4
5647 P670D1   Magic Powder - 1 0 / 0 4
5646 P670D2   Magic Powder - 2 0 / 0 5
5645 P670E   Correct Bracket Sequence Editor 0 / 0 5
5644 P670F   Restore a Number 0 / 0 8
5643 P671A   Recycling Bottles 0 / 0 6
5642 P671B   Robin Hood 0 / 0 7
5641 P671C   Ultimate Weirdness of an Array 0 / 0 10
5640 P671D   Roads in Yusland 0 / 0 10
5639 P671E   Organizing a Race 0 / 0 10
5638 P672A   Summer Camp 0 / 0 3
5637 P672B   Different is Good 0 / 0 3
5636 P673A   Bear and Game 0 / 0 3
5635 P673B   Problems for Round 0 / 0 4
5634 P675A   Infinite Sequence 0 / 0 3
5633 P675B   Restoring Painting 0 / 0 4
5632 P675C   Money Transfers 0 / 0 7
5631 P675D   Tree Construction 0 / 0 6
5630 P675E   Trains and Statistic 0 / 0 8
5629 P676A   Nicholas and Permutation 0 / 0 3
5628 P676B   Pyramid of Glasses 0 / 0 5
5627 P676C   Vasya and String 0 / 0 5
5626 P676D   Theseus and labyrinth 0 / 0 7
5625 P676E   The Last Fight Between Human and AI 0 / 0 9
5624 P677A   Vanya and Fence 0 / 0 3
5623 P677B   Vanya and Food Processor 0 / 0 4
5622 P677C   Vanya and Label 0 / 0 5
5621 P677D   Vanya and Treasure 0 / 0 8
5620 P677E   Vanya and Balloons 0 / 0 8
5619 P678A   Johny Likes Numbers 0 / 0 3
5618 P678B   The Same Calendar 0 / 0 5
5617 P678C   Joty and Chocolate 0 / 0 5
5616 P678D   Iterated Linear Function 0 / 0 5
5615 P678E   Another Sith Tournament 0 / 0 8
5614 P678F   Lena and Queries 0 / 0 9
5613 P679A   Bear and Prime 100 0 / 0 4
5612 P679B   Bear and Tower of Cubes 0 / 0 8
5611 P679C   Bear and Square Grid 0 / 0 9
5610 P679D   Bear and Chase 0 / 0 10
5609 P679E   Bear and Bad Powers of 42 0 / 0 10
5608 P680A   Bear and Five Cards 0 / 0 3
5607 P680B   Bear and Finding Criminals 0 / 0 3
5606 P681A   A Good Contest 0 / 0 3
5605 P681B   Economy Game 0 / 0 4
5604 P681C   Heap Operations 0 / 0 5
5603 P681D   Gifts by the List 0 / 0 7
5602 P681E   Runaway to a Shadow 0 / 0 9
5601 P682A   Alyona and Numbers 0 / 0 3
5600 P682B   Alyona and Mex 0 / 0 4
5599 P682C   Alyona and the Tree 0 / 0 5
5598 P682D   Alyona and Strings 0 / 0 6
5597 P682E   Alyona and Triangles 0 / 0 10
5596 P683A   The Check of the Point 0 / 0 4
5595 P683B   The Teacher of Physical Education 0 / 0 5
5594 P683C   Symmetric Difference 0 / 0 5
5593 P683D   Chocolate Bar 0 / 0 4
5592 P683E   Hammer throwing 0 / 0 6
5591 P683F   Reformat the String 0 / 0 6
5590 P683G   The Fraction 0 / 0 6
5589 P683H   Exchange of Books 0 / 0 6
5588 P683I   Loader 0 / 0 9
5587 P683J   The Hero with Bombs 0 / 0 10
5586 P685A   Robbers' watch 0 / 0 5
5585 P685B   Kay and Snowflake 0 / 0 6
5584 P685C   Optimal Point 0 / 0 10
5583 P685D   Kay and Eternity 0 / 0 10
5582 P685E   Travelling Through the Snow Queen's Kingdom 0 / 0 10
5581 P686A   Free Ice Cream 0 / 0 3
5580 P686B   Little Robber Girl's Zoo 0 / 0 3
5579 P687A   NP-Hard Problem 0 / 0 5
5578 P687B   Remainders Game 0 / 0 6
5577 P687C   The Values You Can Make 0 / 0 6
5576 P687D   Dividing Kingdom II 0 / 0 9

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