摘要：
Same GCDs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given two integers a a 阅读全文
摘要：
Christmas Trees time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output There are n Christmas trees 阅读全文
摘要：
Dr. Evil Underscores time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Today, as a friendship g 阅读全文