题解 | 密码翻译

#include <iostream>
using namespace std;

int main() {
    string str;
    while (cin >> str) {
        for (int i = 0; i < str.size(); ++i) {
            if (str[i] == 'z' ) {
                str[i] = 'a';
            } else if (str[i] == 'Z') {
                str[i] = 'A';
            } else if(str[i]<'z'&&str[i]>='a'||str[i]<'Z'&&str[i]>='A'){
                str[i] += 1;
            }
        }
        cout << str<<" ";
    }
    return 0;
}