01 2021 档案

Codeforces Round #697 (Div. 3) (A - G)
摘要：A. Odd Divisor 判断是否是2的次幂 #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <list> #include <map> #include <iostream> 阅读全文
posted @ 2021-01-26 20:38 kurum! 阅读(155) 评论(0) 推荐(0)