牛客多校第六场 C Generation I 组合数学 阶乘逆元模板
摘要:
链接:https://www.nowcoder.com/acm/contest/144/C来源:牛客网 Oak is given N empty and non-repeatable sets which are numbered from 1 to N. Now Oak is going to d 阅读全文
posted @ 2018-08-30 15:02 九月旧约 阅读(271) 评论(0) 推荐(0)
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