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ID Problem Show tags Hide tags AC / Tried Difficulty
671 P671  最短Hamilton路径 12 / 43 7
734 P734  分组问题 0 / 0 (None)
740 P740  混乱的队伍 10 / 45 7
742 P742  No Change G 4 / 13 9
847 Z080   [SCOI2011]地板 1 / 1 10
848 Z081  [SCOI2012]喵星人的入侵 0 / 0 (None)
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