题解 | 密码翻译

//KY32 密码翻译
#include <iostream>
#include <algorithm>
#include <cstring>
using namespace std;
string s;
int main()
{
    while(getline(cin,s))
    {
        for(int i=0;i<s.length();i++){
            if(s[i]>='a'&&s[i]<='z') s[i]=(s[i]-'a'+1)%26+'a';
            if(s[i]>='A'&&s[i]<='Z') s[i]=(s[i]-'A'+1)%26+'A';
        }
        cout<<s<<"\n";
    }
    return 0;
}