using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Spiral_Matrix { class NumbersMatrix { bool hasNumber; static int ROW = 9; static int COLUMN = 9; int rp; int cp; int[][] matrix = new int[ROW][]; IEnumerator numbers; public NumbersMatrix() { MaxtrixIntit(); MatrixDesign(); DisplayMatrix(); } private void MaxtrixIntit() { int count = ROW * COLUMN; numbers = Enumerable.Range(1, count).GetEnumerator(); for (int i = 0; i < ROW; i++) { matrix[i] = new int[COLUMN]; } } private void MatrixDesign() { hasNumber = numbers.MoveNext(); while (hasNumber) { Move("right"); rp++; cp--; Move("down"); rp--; cp--; Move("left"); rp--; cp++; Move("up"); rp++; cp++; } } private void DisplayMatrix() { for (int i = 0; i < ROW; i++) { for (int j = 0; j < COLUMN; j++) { Console.Write(matrix[i][j] + "\t"); } Console.WriteLine(); } } private void Move(string direction) { do { if (matrix[rp][cp] == 0) { matrix[rp][cp] = numbers.Current; hasNumber = numbers.MoveNext(); } else break; } while (DesignDict(direction)); } private bool DesignDict(string direction) { var limits = new Dictionary> { {"right",new Tuple( COLUMN-1 > cp, cp+1)}, {"down", new Tuple( ROW-1 > rp, rp+1)}, {"left",new Tuple( 0 < cp, cp-1)}, {"up",new Tuple( rp > 0, rp-1)}, }; cp = "rightleft".Contains(direction) ? limits[direction].Item2 : cp; rp = "updown".Contains(direction) ? limits[direction].Item2 : rp; return limits[direction].Item1; } } class Program { static void Main(string[] args) { var matrix = new NumbersMatrix(); } } }

Spiral Numbers ver3