08 2017 档案

Codeforces Round #428 (Div. 2) D. Winter is here[数论II][容斥原理]
摘要：传送门：http://codeforces.com/contest/839/problem/D Examples input 33 3 1 output 12 input 42 3 4 6 output 39 Note In the first sample the clans are {1}, { 阅读全文
posted @ 2017-08-17 13:20 Meternal 阅读(214) 评论(0) 推荐(0)