2018年7月23日
B - Relatively Prime Graph -CodeForces - 1009D-csdn博客
摘要： Let’s call an undirected graph G=(V,E)relatively prime if and only if for each edge (v,u)∈E GCD(v,u)=1 (the greatest common divi... 阅读全文
posted @ 2018-07-23 13:23 i-Curve 阅读(198) 评论(0) 推荐(0)
A - Annoying Present codeforce1009c -csdn博客
摘要： Alice got an array of length nn as a birthday present once again! This is the third year in a row!And what is more disappointing,... 阅读全文
posted @ 2018-07-23 12:37 i-Curve 阅读(156) 评论(0) 推荐(0)