Pyramide

pyramide.cs

using System;

namespace csharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Number: ");
            int i, j, k;
            //int n = Convert.ToInt16(Console.ReadLine());
            int n = int.Parse(Console.ReadLine());

            for (i = 0; i < n; i++)
            {
                for (j = 0; j < n - i; j++)
                    Console.Write(" ");
                for (k = 0; k < 2 * i + 1; k++)
                    Console.Write("x");
                Console.WriteLine();
            }
        }
    }
}

#/usr/bin/env bash

read -r -p "Number: " n;

for ((i=0; i < n; i++))
do
	printf -v r '%*s' $((2 * i + 1)) ' ';
	printf '%*s%s\n' $((n - i)) ' ' ${r// /x};
done

# vim: set ft=sh :

#/usr/bin/env bash

read -r -p "Number: " n;

printf -v r %$((2 * n + 1))c;

for ((i=0; i < n; i++))
do
	rr=${r:1:$((2 * i + 1))};
	printf "%$((n - i))c%s\n"  ' ' ${rr// /x};
done

# vim: set ft=sh :