[프로그래머스] 문자열의 뒤의 n글자

https://school.programmers.co.kr/learn/courses/30/lessons/181910

 

 

using System;

public class Solution {
    public string solution(string my_string, int n) {
        string answer = "";
        int i=my_string.Length-n;
        
        while(i<my_string.Length)
        {
            answer += my_string[i];           
            i++;
        }
        
        return answer;
    }
}