题解 | 密码翻译

#include<bits/stdc++.h>
using namespace std;
int main() {
    string str;
    while (cin >> str) {
        int len = str.length();
        for (int i = 0; i < len; i++) {
            if ((str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z')) {
                if (str[i] == 'z') {
                    str[i] = 'a';
                }
                if (str[i] == 'Z') {
                    str[i] = 'A';
                } else {
                    {
                        str[i] += 1;
                    }
                }

            }
        }
        cout<<str<<" ";
    }
    return 0;
}