题解 | #简单密码#

#include <iostream>
using namespace std;

int main() {
    int arr[]={2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7,7,8,8,8,9,9,9,9};
    string str;
    cin>>str;
    for(int i=0;i<str.size();i++){
        if(str[i]>='a'&&str[i]<='z'){
            str[i]=arr[str[i]-'a']+'0';
        }else if(str[i]=='Z'){
            str[i]='a';
        }else if(str[i]>='A'&&str[i]<'Z'){
            str[i]=str[i]+33;
        }
    }
    cout<<str<<endl;
}