摘要：
题目链接：http://codeforces.com/contest/597 A. Divisibility time limit per test 1 second memory limit per test 256 megabytes input standard input output st 阅读全文
摘要：
E. Lomsat gelral time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a rooted 阅读全文