using System;
class SpiralMatrixGenerator
{
public static int[,] GenerateSpiralMatrix(int n) {
int[,] matrix = new int[n, n];
int top = 0, bottom = n - 1;
int left = 0, right = n - 1;
int num = 1;
while (top <= bottom && left <= right) {
// Fill top row
for (int i = left; i <= right; i++)
matrix[top, i] = num++;
top++;
// Fill right column
for (int i = top; i <= bottom; i++)
matrix[i, right] = num++;
right--;
// Fill bottom row
if (top <= bottom) {
for (int i = right; i >= left; i--)
matrix[bottom, i] = num++;
bottom--;
}
// Fill left column
if (left <= right) {
for (int i = bottom; i >= top; i--)
matrix[i, left] = num++;
left++;
}
}
return matrix;
}
public static void Main()
{
int n = 3; // size of the matrix
int[,] spiralMatrix = GenerateSpiralMatrix(n);
// Print the matrix
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
Console.Write(spiralMatrix[i, j] + "\t");
}
Console.WriteLine();
}
}
}
/*
run:
1 2 3
8 9 4
7 6 5
*/