视频链接： P4570[BJWC2011]元素-洛谷|计算机科学教育新生态(luogu.com.cn)//线性基O(60*n)#include<iostream>#include<cstring>#include<algorithm>usingnamespacestd;#defineLLlonglongconstLLN=1005;intn,m;structnode{LLnum,val;}a