题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    string str ,_str;
    getline(cin ,str);
    for (int i = 0 ; i < str.size() ; i++){  //遍历加密
    	if (str[i] != ' '){  //空格不能动
    		if (str[i] != 'z')
    			str[i] = char(int(str[i]) + 1);
    		else
    			str[i] = 'a';
    	}
	}
	cout << str;
    return 0;
}