随笔分类 -  容斥

hdu 6053 TrickGCD 容斥原理（莫比乌斯工具）
摘要：You are given an array AA , and Zhu wants to know there are how many different array BB satisfy the following conditions?1≤Bi≤Ai1≤Bi≤Ai For ea... 阅读全文
posted @ 2017-09-19 21:18 黑码的博客 阅读(143) 评论(0) 推荐(0)