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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. int i,j;
  6. scanf("%d",&i);
  7. for(j=1; j<=i; j++)
  8. {
  9. int Ax, Ay, Bx, By, Cx, Cy, Dx, Dy,a,b,c,d,e,f,g,h,ar,area;
  10. scanf("%d%d%d%d%d%d",&Ax,&Ay,&Bx,&By,&Cx,&Cy);
  11. Dx=(Cx-Bx)+Ax;
  12. Dy=(Ay-By)+Cy;
  13. printf("%d %d ",Dx,Dy);
  14. a=Ax*By;
  15. b=Bx*Cy;
  16. c=Cx*Dy;
  17. d=Dx*Ay;
  18. e=Ax*Dy;
  19. f=Dx*Cy;
  20. g=Cx*By;
  21. h=Bx*Ay;
  22. ar=a+b+c+d-e-f-g-h;
  23. area=abs(ar)/2;
  24. printf("%d\n",area);
  25. }
  26. return 0;
  27.  
  28. }
  29.  
Success #stdin #stdout 0s 4576KB
stdin
3
-751 -237 -13 926 650 -570
-776 -677 -999 861 555 -762
-1000 -1000 0 0 1000 1000
stdout
-88 -1733 1875117
778 -2300 2028123
0 0 0