static void Main(string[] args)
{
string x = " ";
int j = 0;
string line; // linia tekstu pobrana z pliku
char[] sign = { ' ' }; //oddzielenie współrzędnych X i Y w linii
vertex[] array = new vertex[1000];
do
{
int nr = 1;
do
{
int counter = 0;
if (x != " ")
{
array[0] = new vertex();
j = 1;
string[] test2 = x.Split(sign);
array[0].x = Convert.ToInt32(test2[0]);
array[0].y = Convert.ToInt32(test2[1]);
counter++;
}
for (int i = 0 + j; i <= 1000; i++)
{
line = Console.ReadLine();
if (line.Contains("--"))
{
break;
}
else
{
array[i] = new vertex();
string[] test2 = line.Split(sign);
array[i].x = Convert.ToInt32(test2[0]);
array[i].y = Convert.ToInt32(test2[1]);
counter++;
}
}
Console.WriteLine(nr++ + ". " + calculation(array, counter));
x = Console.ReadLine();
} while (!x.Contains("--"));
x = Console.ReadLine();
}while (x != null);
}
static int line_function(vertex A, vertex B, ref double a, ref double b, ref double c)
{
double a1 = (A.y - B.y);
double a2 = (A.x - B.x);
if (a2 == 0 && a1 == 0) //punkty pokrywające się
{
c = 123.456;
return(0);
}
if (a2 == 0) //punkty o jednakowym x
{
b = 654.321;
return(0);
}
a = (a1 / a2);
b = B.y - (a * B.x);
a = Math.Round(a, 6);
b = Math.Round(b, 6);
return(1);
}