2019年11月7日
Codeforces Round #599 (Div. 2)
摘要： A.Maximum Square Ujan decided to make a new wooden roof for the house. He has nn rectangular planks numbered from 11 to nn. The ii-th plank has size a 阅读全文
posted @ 2019-11-07 23:32 __MEET 阅读(272) 评论(0) 推荐(0) 编辑