2019年9月5日
The Preliminary Contest for ICPC Asia Nanjing 2019 A The beautiful values of the palace（树状数组+思维）
摘要： Here is a square matrix of n * nn∗n, each lattice has its value (nn must be odd), and the center value is n * nn∗n. Its spiral decline along the cente 阅读全文
posted @ 2019-09-05 18:20 WAKBGAN 阅读(184) 评论(0) 推荐(0) 编辑