2018年9月20日
2018 Multi-University Training Contest 10
摘要： Recently, TeaTree acquire new knoledge gcd (Greatest Common Divisor), now she want to test you. As we know, TeaTree is a tree and her root is node 1, 阅读全文
posted @ 2018-09-20 09:12 楼主好菜啊 阅读(300) 评论(0) 推荐(0) 编辑