A.两个方向都判断. #include<bits/stdc++.h> using namespace std; string s1,s2; map<char,int> mp; int n; int main() { ios::sync_with_stdio(); mp[; mp[; mp[; mp[; cin >> s1 >> s2 >> n; ]],y = mp[s2[]]; n %= ; == y && (x-n+)% ==…