Sha256: 95c075abeda0257fb8d60668982ccb6fad4e51833d171cbef13130eaf386fae7
Contents?: true
Size: 996 Bytes
Versions: 228
Compression:
Stored size: 996 Bytes
Contents
using System;
using System.Linq;
public static class Diamond
{
public static string Make(char target)
{
var letters = GetLetters(target);
var diamondLetters = letters.Concat(letters.Reverse().Skip(1)).ToArray();
return string.Join("\n", diamondLetters.Select(diamondLetter => MakeLine(letters.Length, diamondLetter)));
}
private static Tuple<char, int>[] GetLetters(char target) =>
Enumerable
.Range('A', target - 'A' + 1)
.Select((c, i) => Tuple.Create((char)c, i))
.ToArray();
private static string MakeLine(int letterCount, Tuple<char, int> rowLetter)
{
var letter = rowLetter.Item1;
var row = rowLetter.Item2;
var outerSpaces = "".PadRight(letterCount - row - 1);
var innerSpaces = "".PadRight(row == 0 ? 0 : row*2 - 1);
return letter == 'A' ? $"{outerSpaces}{letter}{outerSpaces}" : $"{outerSpaces}{letter}{innerSpaces}{letter}{outerSpaces}";
}
}
Version data entries
228 entries across 228 versions & 1 rubygems