2019年11月8日
C. Tile Painting (定理：任意一个合数都能够写成两个质数的乘积) 《Codeforces Round #599 (Div. 2) 》
摘要： Ujan has been lazy lately, but now has decided to bring his yard to good shape. First, he decided to paint the path from his house to the gate. The pa 阅读全文
posted @ 2019-11-08 22:28 __MEET 阅读(514) 评论(0) 推荐(0) 编辑