2019年5月4日
[SG函数]Little Sub and Johann
摘要： 题目描述 Little Sub and Johann are good friends and they often play games together. Recently, they like playing with stones.They have n piles of stones in 阅读全文
posted @ 2019-05-04 15:49 l..q 阅读(327) 评论(0) 推荐(0)