ID 题目 显示标签 隐藏标签 AC / 尝试 难度
149 P1543B   Customising the Track 0 / 0 (无)
143 P1545B   AquaMoon and Chess 0 / 0 (无)
142 P1545C   AquaMoon and Permutations 0 / 0 (无)
126 P1548C   The Three Little Pigs 0 / 0 (无)
117 P1550D   Excellent Arrays 0 / 0 (无)
107 P1551F   Equidistant Vertices 0 / 0 (无)
105 P1552B   Running for Gold 0 / 0 (无)
104 P1552C   Maximize the Intersections 0 / 0 (无)
93 P1553E   Permutation Shift 0 / 0 (无)
89 P1553I   Stairs 0 / 0 (无)
72 P1556F   Sports Betting 0 / 0 (无)
67 P1557C   Moamen and XOR 0 / 0 (无)
61 P1558D   Top-Notch Insertions 0 / 0 (无)
53 P1559E   Mocha and Stars 0 / 0 (无)
24 P1567C   Carrying Conundrum 0 / 0 (无)
18 P1569C   Jury Meeting 0 / 0 (无)
5 P1574B   Combinatorics Homework 0 / 0 (无)
2 P1574E   Coloring 0 / 1 10
1 P1574F   Occurrences 0 / 0 (无)
7202 P1580B   Mathematics Curriculum 0 / 0 (无)
7197 P1581A   CQXYM Count Permutations 0 / 0 (无)
7297 P1582B   Luntik and Subsequences 0 / 0 (无)
7339 P1584D   Guess the Permutation 0 / 0 (无)
7282 P1586I   Omkar and Mosaic 0 / 0 (无)
7267 P1594E1   Rubik's Cube Coloring (easy version) 0 / 0 (无)
7261 P1598D   Training Session 0 / 0 (无)
7260 P1598E   Staircases 0 / 0 (无)
7255 P1599C   Bubble Strike 0 / 0 (无)
7316 P1603E   A Perfect Problem 0 / 0 (无)
7315 P1603F   October 18, 2017 0 / 0 (无)
7329 P1605F   PalindORme 0 / 0 (无)
7308 P1606E   Arena 0 / 0 (无)
7390 P1608D   Dominoes 0 / 0 (无)
7388 P1608F   MEX counting 0 / 0 (无)
7369 P1610D   Not Quite Lee 0 / 0 (无)
7349 P1612G   Max Sum Array 0 / 0 (无)
7373 P1613F   Tree Coloring 0 / 0 (无)
7346 P1614C   Divan and bitwise operations 0 / 0 (无)
7424 P1615F   LEGOndary Grandmaster 0 / 0 (无)
7401 P1620G   Subsequences Galore 0 / 0 (无)
7437 P1622D   Shuffle 0 / 0 (无)
7478 P1626F   A Random Code Problem 0 / 0 (无)
7487 P1628D1   Game on Sum (Easy Version) 0 / 0 (无)
7486 P1628D2   Game on Sum (Hard Version) 0 / 0 (无)
7504 P1630E   Expected Components 0 / 0 (无)
7553 P1641E   Special Positions 0 / 0 (无)
7545 P1644E   Expand the Path 0 / 0 (无)
7544 P1644F   Basis 0 / 0 (无)
7659 P1671E   Preorder 0 / 0 (无)
7658 P1671F   Permutation Counting 0 / 0 (无)

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