csuoj-1720-How to Get 2^n
摘要：
题目： Description Johnson is very interested in the k-th power of 2 number, such as 2,4,8,16 .... So he always boasts that he is good at solving problem 阅读全文
posted @ 2017-04-14 01:13 Tracy-mac 阅读(108) 评论(0) 推荐(0) 编辑
