• + 53 comments

    Pretty easy with C#:

    using System;
    class Solution
    {
        static void Main(String[] args)
        {
            int N = int.Parse(Console.ReadLine());
            for (int i = 0; i < N; i++)
                Console.WriteLine(new String('#', i + 1).PadLeft(N, ' '));
        }
    }