摘要: https://www.luogu.org/problemnew/show/P5245(常数项保证为1) https://www.luogu.org/problemnew/show/U63679 https://www.luogu.org/problemnew/show/P5273(常数项无限制,幂 阅读全文
posted @ 2019-03-22 12:45 hehe_54321 阅读(620) 评论(0) 推荐(0) 编辑
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