2018年12月28日
[CF]Codeforces Round #529 (Div. 3)
摘要： [CF]Codeforces Round #529 (Div. 3) C. Powers Of Two Description A positive integer xx is called a power of two if it can be represented as x=2yx=2y, w 阅读全文
posted @ 2018-12-28 15:34 kaike 阅读(526) 评论(0) 推荐(0) 编辑