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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
111 USACOC2113A  Maze Tac Toe 0 / 0 (无)
110 USACOC2113B  Do You Know Your ABCs? 0 / 0 (无)
116 USACOC2213A  Closest Cow Wins 0 / 0 (无)
117 USACOC2213B  Connecting Two Barns 0 / 0 (无)
118 USACOC2213C  Convoluted Intervals 0 / 0 (无)
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手气不错

根据当前过滤条件随机选择一道题