0179-largest-number.cs

public class Solution {
    public string LargestNumber(int[] nums) 
    {
        if(nums.All(_ => _ == 0)) return "0";

        var s = nums.Select(_ => _.ToString()).ToList();

        s.Sort((a, b) => (b+a).CompareTo(a+b));

        return string.Concat(s);
    }
}