ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2123 P1452G   Game On Tree 0 / 0 10
2118 P1453E   Dog Snacks 0 / 0 8
2112 P1454E   Number of Simple Paths 0 / 0 7
2097 P1458F   Range Diameter Sum 0 / 0 10
2077 P1463E   Plan of Lectures 0 / 0 9
2075 P1464F   My Beautiful Madness 0 / 0 10
2071 P1466D   13th Labour of Heracles 0 / 0 5
2061 P1467E   Distinctive Roots in a Tree 0 / 0 9
1985 P1479D   Odd Mineral Resource 0 / 0 10
1976 P1481F   AB Tree 0 / 0 10
1968 P1482H   Exam 0 / 0 10
1963 P1485E   Move and Swap 0 / 0 9
1955 P1486F   Pairs of Paths 0 / 0 10
1926 P1491E   Fib-tree 0 / 0 9
1923 P1491H   Yuezheng Ling and Dynamic Tree 0 / 0 10
1907 P1494D   Dogeforces 0 / 0 8
1901 P1495D   BFS Trees 0 / 0 10
1899 P1495F   Squares 0 / 0 10
1884 P1498F   Christmas Game 0 / 0 9
1878 P1499F   Diameter Cuts 0 / 0 9
1842 P1508C   Complete the MST 0 / 0 9
1840 P1508E   Tree Calendar 0 / 0 10
1822 P1511C   Yet Another Card Deck 0 / 0 3
1794 P1515F   Phoenix and Earthquake 0 / 0 10
1772 P1517F   Reunion 0 / 0 10
1765 P1519E   Off by One 0 / 0 10
1752 P1521D   Nastia Plays with a Tree 0 / 0 9
1748 P1523C   Compression and Expansion 0 / 0 5
1725 P1527D   MEX Tree 0 / 0 9
1723 P1528A   Parsa's Humongous Tree 0 / 0 5
1721 P1528C   Trees of Tranquillity 0 / 0 8
1719 P1528E   Mashtali and Hagh Trees 0 / 0 10
1688 P1534D   Lost Tree 0 / 0 6
1683 P1534H   Lost Nodes 0 / 0 10
1679 P1535D   Playoff Tournament 0 / 0 6
1678 P1535E   Gold Transfer 0 / 0 8
1649 P1540B   Tree Array 0 / 0 8
1615 P1547G   How Many Paths? 0 / 0 7
1593 P1551F   Equidistant Vertices 0 / 0 8
1576 P1553H   XOR and Distance 0 / 0 10
1565 P1555E   Boring Segments 0 / 0 7
1564 P1555F   Good Graph 0 / 0 10
1541 P1559D1   Mocha and Diana (Easy Version) 0 / 0 4
1540 P1559D2   Mocha and Diana (Hard Version) 0 / 0 9
1516 P1566E   Buds Re-hanging 0 / 0 7
1472 P1575E   Eye-Pleasing City Park Tour 0 / 0 10
1468 P1575I   Illusions of the Desert 0 / 0 8
1440 P1580B   Mathematics Curriculum 0 / 0 10
1438 P1580D   Subsequence 0 / 0 10
1424 P1583B   Omkar and Heavenly Tree 0 / 0 4

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