摘要: 比赛链接 A.Find Subsequence B.operation 区间DP ((a & b) + (a | b)) >> 1 = (a + b)/2 点击查看代码 #include <iostream> #include <cstdio> #include <cmath> using name 阅读全文
posted @ 2021-10-26 23:58 lniiwuw 阅读(47) 评论(0) 推荐(0)