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  • PTA 1166 Summit (25 分)

    1166 Summit (25 分) A summit (峰会) is a meeting of heads of state or government. Arranging the rest areas for the summit is not a simple job. The ideal arrangement of one area is to invite those heads so that everyone is a direct friend of everyone. …

    2022/2/23 6:21:43 人评论 次浏览
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