The 2019 ICPC China Nanchang National Invitational and International Silk-Road Programming Contest - F.Sequence(打表+线段树)
摘要：
题目链接：Sequence 题意：给你一个长度为$n$的数组，定义函数$f(l,r)=a_{l} \oplus a_{l+1} \oplus...\oplus a_{r}$，$F(l,r)=f(l,l)\oplus f(l,l+1)\oplus ...\oplus f(l,r)\oplus f(l+ 阅读全文
posted @ 2019-10-19 23:59 啊啊鄂 阅读(182) 评论(0) 推荐(0) 编辑
