摘要: 传送门:http://codeforces.com/contest/1072/problem/B 题意:给两组序列a,b,求一组序列 t 使得 t [ i ] | t [ i+1 ] == a [ i ],t [ i ] & t [ i+1 ] == b [ i ] 0<= a [ i ],t [ 阅读全文
posted @ 2019-08-07 10:39 op-z 阅读(77) 评论(0) 推荐(0) 编辑