[프로그래머스] 외계행성의 나이_Lv.0

https://school.programmers.co.kr/learn/courses/30/lessons/120834

프로그래머스

using System;
public class Solution {
    public string solution(int age) {
        string answer = "";
        string temp = age.ToString();
        foreach (char a in temp)
        {
            switch (a)
            {
                case '0':
                   answer += 'a';
                   break;
                case '1':
                   answer += 'b';
                   break;    
                case '2':     
                   answer += 'c';
                   break;    
                case '3':     
                   answer += 'd';
                   break;    
                case '4':     
                   answer += 'e';
                   break;    
                case '5':     
                   answer += 'f';
                   break;    
                case '6':     
                   answer += 'g';
                   break;    
                case '7':     
                   answer += 'h';
                   break;    
                case '8':     
                   answer += 'i';
                   break;    
                case '9':     
                   answer += 'j';
                   break;
            }
        }
        return answer;
    }
}