C++ 代码

#include<iostream>
#include<string>
using namespace std;

int main()
{
    string s;
    getline(cin, s);

    for(char &c : s)
    {
        if(c == 'z' || c == 'Z')
            c -= 25;
        else if (c >= 'a' && c < 'z' || c >= 'A' && c < 'Z')
            c ++;
    }
    cout << s << endl;
    return 0;
}