题解

#include <bits/stdc++.h>
using namespace std;
int main(){
string a;
getline(cin,a);
for(int i=0;i<a.size();i++){
if((a[i] >= 'a' && a[i] < 'z')){
int x = a[i] + 1;
a[i] = x;
cout << a[i];
}else if(a[i] == 'z'){
cout << 'a';
}else{
cout << " ";
}
}
return 0;
}