算法暴力思路显然观察到更改操作最多只影响一条链于是显然代码#include<bits/stdc++.h>constintMAXLEN=263000;intk;std::stringResult;intq;intMatch;charNew_Result;intpows[20]={1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,