题解 | 简单密码

#include <iostream>
#include<vector>
using namespace std;

int main() {
    // int input = 65;
    // cout << (char)input;
    string str;
    cin >> str;
    int len =str.size();
    vector<char> v;
    for(int i=0;i<len;i++){
        if(str[i]>='a' && str[i]<='z'){
            if(str[i]>='a' && str[i]<='c') v.push_back('2');
            else if(str[i]>='d' && str[i]<='f') v.push_back('3');
            else if(str[i]>='g' && str[i]<='i') v.push_back('4');
            else if(str[i]>='j' && str[i]<='l') v.push_back('5');
            else if(str[i]>='m' && str[i]<='o') v.push_back('6');
            else if(str[i]>='p' && str[i]<='s') v.push_back('7');
            else if(str[i]>='t' && str[i]<='v') v.push_back('8');
            else if(str[i]>='w' && str[i]<='z') v.push_back('9');
        }else if(str[i]>='A' && str[i]<='Z'){
            if(str[i]!= 'Z')    v.push_back((char)(str[i]+33));
            else v.push_back('a');
        }else{
            v.push_back(str[i]);
        }
    }
    for(vector<char>::iterator it = v.begin();it!=v.end();it++){
        cout<< *it;
    }
}
// 64 位输出请用 printf("%lld")