static void Main(string[] args)
{
int searchNum = 312051;
CreateSpiral(searchNum);
var entryPoint = new NumIndex();
var searchPoint = new NumIndex();
GetIndexes(searchNum, ref entryPoint, ref searchPoint);
int rowSteps = entryPoint.rowIndex - searchPoint.rowIndex;
if (rowSteps < 0)
{
rowSteps = Math.Abs(rowSteps); //turns negative to positive
}
int columnSteps = entryPoint.columnIndex - searchPoint.columnIndex;
if (columnSteps < 0)
{
columnSteps = Math.Abs(columnSteps);
}
int sum = rowSteps + columnSteps;
Console.WriteLine(sum);
Console.ReadLine();
}
private static void GetIndexes(int searchNum, ref NumIndex entryPoint, ref NumIndex searchPoint)
{
for (int row = 0; row < _spiral.Count; row++)
{
for (int column = 0; column < _spiral[row].Count; column++)
{
int num = _spiral[row][column];
if (num == 1) //Entrypoint
{
entryPoint.rowIndex = row;
entryPoint.columnIndex = column;
}
if (num == searchNum)
{
searchPoint.rowIndex = row;
searchPoint.columnIndex = column;
}
}
}
}