Sha256: 568973c22ef0928ba84f160a5a53c59ab072785f91ba303eec3ea48a2a784f58
Contents?: true
Size: 1.02 KB
Versions: 168
Compression:
Stored size: 1.02 KB
Contents
public static class SpiralMatrix
{
public static int[,] GetMatrix(int size)
{
var spiral = new int[size, size];
int numbersToPlace = size * size;
int currentSpiralValue = 1;
int firstPivot = 0, secondPivot = size - 1;
while (currentSpiralValue <= numbersToPlace)
{
for (int i = firstPivot; i <= secondPivot; i++)
{
spiral[firstPivot, i] = currentSpiralValue++;
}
for (int j = firstPivot + 1; j <= secondPivot; j++)
{
spiral[j, secondPivot] = currentSpiralValue++;
}
for (int i = secondPivot - 1; i >= firstPivot; i--)
{
spiral[secondPivot, i] = currentSpiralValue++;
}
for (int j = secondPivot - 1; j >= firstPivot + 1; j--)
{
spiral[j, firstPivot] = currentSpiralValue++;
}
firstPivot++;
secondPivot--;
}
return spiral;
}
}
Version data entries
168 entries across 168 versions & 1 rubygems