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ID Problem Show tags Hide tags AC / Tried Difficulty
18156 ABC367C   Enumerate Sequences 49 / 108 4
18047 B2718   统计路线 51 / 112 4
28401 28401   A.拔河 0 / 0 (None)
28402 28402   B.组队 0 / 0 (None)
28403 28403   C.构造全排列 0 / 1 10
28404 28404   D.构造组合 0 / 0 (None)
28405 28405   E.一丝不挂 0 / 1 10
28406 28406   F.数独 0 / 0 (None)
28407 28407   G.麻将 0 / 0 (None)
28408 28408   H.ABC谜题 0 / 0 (None)
28409 28409   I.拼图 0 / 0 (None)
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