34. 문자열 내림차순으로 배치하기

 

using System;

public class Solution {
    public string solution(string s) {
        string answer;
        
        char[] chares = s.ToCharArray();
        Array.Sort(chares);
        Array.Reverse(chares);
        
        answer = new string(chares);
                
        return answer;
    }
}