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Alex_tz307

Determinant

Dec 10th, 2020 (edited)
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C++ 0.62 KB | None | 0 0
  1. int det(int xA, int yA, int xB, int yB, int xC, int yC) {
  2.     return xA * yB + xB * yC + yA * xC - yB * xC - yA * xB - xA * yC;
  3. }
  4.  
  5. ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  6.  
  7. int det(int X1, int Y1, int X2, int Y2, int X3, int Y3) {
  8.     return (X2 - X1) * (Y3 - Y1) - (X3 - X1) * (Y2 - Y1);
  9. }
  10.  
  11. ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  12.  
  13. int det(pi A, pi B, pi C) {
  14.     return (B.x - A.x) * (C.y - A.y) - (C.x - A.x) * (B.y - A.y);
  15. }
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