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MusicFreak

N-tougao

Mar 13th, 2013
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  1. Napisati program koji ocitava broj n i koordinata n tacaka u ravni, a zatim izracunava i ispusuje obim n-tougla obrazovanog u tom redosledu.
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  7. #include<iostream>
  8. #include<math.h>
  9. using namespace std;
  10. int main()
  11. {
  12.     float O;
  13.     int n;
  14.     O=0;
  15.     cout<<"Unesite broj n tacaka:"<<endl;
  16.    cin>>n;
  17.     int x[n];
  18.     int y[n];
  19.     for (int i=1;i<=n;i++)
  20.    {
  21.        cin>>x[i]>>y[i];
  22. }
  23.     for(int i=1;i<n;i++)
  24.    {
  25.    O=O+sqrt(pow((x[i]-x[i+1]),2)+ pow((y[i]-y[i+1]),2));
  26. }
  27. O=O+sqrt(pow((x[n]-x[1]),2)+ pow((y[n]-y[1]),2));
  28. cout<<"Obim je: "<<O;
  29. system ("pause");
  30. return 0;
  31. }
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