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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
916 AT1265  A - Pair 13 / 18 6
917 AT1266  B - Ruined Square 11 / 19 6
918 AT1267  C - Triangular Relationship 9 / 34 7
919 AT1268  D - All Your Paths are Different Lengths 0 / 1 10
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手气不错

根据当前过滤条件随机选择一道题