随笔分类 -  容斥原理

 
HDU 6106 17多校6 Classes（容斥简单题）
摘要：Problem Description The school set up three elective courses, assuming that these courses are A, B, C. N classes of students enrolled in these courses 阅读全文
posted @ 2017-08-11 10:07 Annetree 阅读(253) 评论(0) 推荐(0)
HDU 1796 How many integers can you find（容斥原理）
摘要：题目传送：http://acm.hdu.edu.cn/diy/contest_showproblem.php?cid=20918&pid=1002 Problem Description Now you get a number N, and a M-integers set, you should 阅读全文
posted @ 2017-07-03 15:39 Annetree 阅读(165) 评论(0) 推荐(0)