51. 푸드 파이트 대회

 

 

using System;

public class Solution {
    public string solution(int[] food) {
        string answer = "";
        string str1 = "";
        string str2 = "";
        
        for(int i = 1; i < food.Length; ++i)
        {
            for(int j = 0; j < food[i] / 2; ++j) str1 += i.ToString();
        }
        
        Char[] chas = str1.ToCharArray();
        Array.Reverse(chas);
        str2 = new string(chas);
        
        answer = str1 + "0" + str2;
        
        return answer;
    }
}