ID 题目 显示标签 隐藏标签 AC / 尝试 难度
652 P1621C   Hidden Permutations 0 / 0 5
651 P1621D   The Winter Hike 0 / 0 7
648 P1621G   Weighted Increasing Subsequences 0 / 0 10
645 P1622A   Construct a Rectangle 0 / 0 3
644 P1622B   Berland Music 0 / 0 3
642 P1622D   Shuffle 0 / 0 7
640 P1622F   Quadratic Set 0 / 0 10
639 P1623A   Robot Cleaner 0 / 0 3
636 P1623D   Robot Cleaner Revisit 1 / 1 8
634 P1624A   Plus One on the Subset 0 / 0 3
633 P1624B   Make AP 0 / 0 3
632 P1624C   Division by Two and Permutation 0 / 0 3
627 P1625A   Ancient Civilization 1 / 1 3
624 P1625D   Binary Spiders 0 / 0 8
619 P1626C   Monsters And Spells 0 / 0 5
618 P1626D   Martial Arts Tournament 0 / 0 7
616 P1626F   A Random Code Problem 0 / 0 10
612 P1627D   Not Adding 0 / 0 6
609 P1628A   Meximum Array 0 / 0 4
607 P1628C   Grid Xor 0 / 0 8
606 P1628D1   Game on Sum (Easy Version) 0 / 0 7
605 P1628D2   Game on Sum (Hard Version) 0 / 0 9
601 P1629B   GCD Arrays 0 / 0 3
596 P1630E   Expected Components 0 / 0 10
590 P1632C   Strange Test 0 / 0 5
589 P1632D   New Year Concert 0 / 0 7
584 P1633C   Kill the Monster 0 / 0 3
582 P1633E   Spanning Tree Queries 0 / 1 9
579 P1634B   Fortune Telling 0 / 0 4
577 P1634D   Finding Zero 0 / 0 7
575 P1634F   Fibonacci Additions 0 / 0 10
571 P1635D   Infinite Set 0 / 0 6
567 P1637B   MEX and Array 0 / 0 3
565 P1637D   Yet Another Minimization Problem 0 / 0 6
562 P1637G   Birthday 0 / 0 10
561 P1637H   Minimize Inversions Number 0 / 0 10
560 P1638A   Reverse 0 / 0 3
559 P1638B   Odd Swap Sort 0 / 0 3
558 P1638C   Inversion Graph 0 / 0 4
540 P1641D   Two Arrays 0 / 0 10
539 P1641E   Special Positions 0 / 0 10
532 P1644D   Cross Coloring 0 / 0 5
531 P1644E   Expand the Path 0 / 0 6
530 P1644F   Basis 0 / 0 10
529 P1646A   Square Counting 0 / 0 3
527 P1646C   Factorials and Powers of Two 0 / 0 5
525 P1646E   Power Board 0 / 0 8
523 P1647A   Madoka and Math Dad 0 / 0 3
520 P1647D   Madoka and the Best School in Russia 0 / 0 6
517 P1648A   Weird Sum 0 / 0 4

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