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  1. #include <iostream>
  2. #include <vector>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. struct dot {
  7. 	double x;
  8. 	double y;
  9. 	double z;
  10. 	dot() {
  11. 		x=0;
  12. 		y=0;
  13. 		z=0;
  14. 	}
  15. 	dot (double a, double b, double c) {
  16. 		x=a;
  17. 		y=b;
  18. 		z=c;
  19. 	}
  20. };
  21. int main() {
  22. 	vector <dot> a;
  23.     double x, y, z, p;
  24.     double sump=0;
  25.     dot sum=dot();
  26.     while (cin>>x && 
  27.            cin>>y && 
  28.            cin>>z && 
  29.            cin>>p) 
  30.     {                                           
  31.         a.push_back(dot(x,y,z));
  32.         sum.x+=x*p;
  33.         sum.y+=y*p;
  34.         sum.z+=z*p;
  35.         sump+=p;
  36.     }
  37.     sum.x/=sump;
  38.     sum.y/=sump;
  39.     sum.z/=sump;
  40.  
  41.     cout << sum.x << " " << sum.y << " " << sum.z << endl;
  42.  
  43.     for (int i=0; i<a.size(); i++)
  44.     {
  45.         double l=sqrt((a[i].x-sum.x)*(a[i].x-sum.x) + (a[i].y-sum.y)*(a[i].y-sum.y) + (a[i].z-sum.z)*(a[i].z-sum.z));
  46.         cout << l << endl; 
  47.     }
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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2 2 1 2
3 1 2 1
stdout
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2.33333 1.66667 1.33333
0.57735
1.1547
https://ideone.com/ZdaYNW
А273
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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