#include<bits/stdc++.h> using namespace std; int main() { string s; string a = {"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"}; //非必要的参照字典 string b = {"bcdefghijklmnopqrstuvwxyza222333444555666777788899990123456789"}; &n...