#include <iostream> using namespace std; int main() {//暴力破解的笨方法,逐一列举,仅供参考,各位大佬轻喷 string s; cin>>s; int length = s.size(); for(int i=0;i<length;i++) { if(s[i]>='a'&&s[i]<='c') { cout<<'2'; } else if(s[i]>='d'&& s[i]<='f') { cout<<'3'; } else if(s[i]>='g'&& s[i]<='i') { cout<<'4'; } else if(s[i]>='j'&& s[i]<='l') { cout<<'5'; } else if(s[i]>='m'&&s[i]<='o') { cout<<'6'; } else if(s[i]>='p'&&s[i]<='s') { cout<<'7'; } else if(s[i]>='t'&&s[i]<='v') { cout<<'8'; } else if(s[i]>='w'&&s[i]<='z') { cout<<'9'; } else if(s[i]>='0'&&s[i]<='9') { cout<<s[i]; } else if(s[i]>=65&&s[i]<=89) { cout<<char(s[i]+33); } else if(s[i]==90) { cout<<'a'; } } }