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Then each person can be friends with anywhere from 0 to n-1 other people.
那么每一个人可以有0 ~n - 1个朋友。
youdao
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Then follows n lines with one unique phone number on each line.
符合条件的排名可能不是唯一的,此时要求输出时编号小的队伍在前;
youdao
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Then follows n lines with one unique phone number on each line.
符合条件的排名可能不是唯一的,此时要求输出时编号小的队伍在前;
youdao