题解 | 密码翻译

#include <iostream>
#include <string>
using namespace std;
int main() {
    string str;
    while (getline(cin, str)) {
        for (int i = 0; i < str.size(); ++i) {
            if ((str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z')) {
                str[i] += 1;
            }
            else if (str[i] == 'z') {
                str[i] = 'a';
            }
            else if (str[i] == 'Z') {
                str[i] = 'A';
            }
        }
        cout << str << endl;
    }
}
// 64 位输出请用 printf("%lld")