题解 | 简单密码

#include <iostream>
using namespace std;
int main() {
    string a;
    char b[] = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n',
				'o','p','q','r','s','t','u','v','w','x','y','z'};
    getline(cin,a);
    for(int i=0; i<a.length();i++){
        if(a[i]>='A'&&a[i]<='Z'){
            a[i] = a[i] + 33;
            if(int(a[i])==123){
                cout<<'a';
            }else{
                cout<<a[i];
            }
        }
        else if(a[i]>='a'&&a[i]<='c'){cout<<2;}
        else if(a[i]>='d'&&a[i]<='f'){cout<<3;}
        else if(a[i]>='g'&&a[i]<='i'){cout<<4;}
        else if(a[i]>='j'&&a[i]<='l'){cout<<5;}
        else if(a[i]>='m'&&a[i]<='o'){cout<<6;}
        else if(a[i]>='p'&&a[i]<='s'){cout<<7;}
        else if(a[i]>='t'&&a[i]<='v'){cout<<8;}
        else if(a[i]>='w'&&a[i]<='z'){cout<<9;}
        else{cout<<a[i];}
    }
}