abstand:=(x2−x1)2+(y2−y1)2 

 

wie macht man das,danke

#include <iostream>
using namespace std;

int main()
{

int points;

int rows = 9;

int cols = 6;
int Field[rows][cols];

int N = 45;
int y;
int x;

for (int i = 0; i < rows ; i++){

   for(int j = 0 ; j < cols; j++){ Field[j] = 0;

      } 
}

cout << "Wie Viele Punkte wollen Sie: ";
cin >> points; if(points != N){
cout << "X und Y eingeben: " << endl;
for (int i = 1 ; i <= points ; i++){
cout << "Eingabe " << i << " : ";
cin >> x >> y;
while (x > 50 || y > 9)
{
cout << "falsche Eingabe\n";
cout << "Eingabe " << i << " : ";
cin >> x >> y; }
if(x % 10 == 0){
x = x / 10; Field[y][x] = 1;
    }
  }
cout << endl;
}
else{
   cout << "Falsche Eingabe" << endl;
 }
for(int i = rows; i > 0; i--)
{   
     cout << i << "|" ;
     for (int j = 0; j < cols; j++){
         if(Field[j] == 1){
   cout << "*"; } cout << " ";
   }
   cout << "\n\n\n"; } cout << "0" << "|";
   for(int j = 1; j < cols; j++)
  {
 cout << "---------" << j;
  }
}