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  1. #include <cstdlib>
  2. #include <iostream>
  3.  #include <cmath>
  4. using namespace std;
  5.  
  6. struct Vect {
  7. double x,y;
  8.  
  9. };
  10.  
  11.  void print (Vect c){
  12. 	Vect a,b;
  13. 	c.x=(a.x+b.x);
  14. 	c.y=(a.y+b.y);
  15. 	cout<<"c("<<c.x<<","<<c.y<<")"<<endl;
  16. }
  17.  
  18. int main(){
  19. 	Vect a,b,c;//объявим переменные типа Vect
  20. print (c);
  21. cout<<"введем координаты первого вектора"<<endl;
  22. 	cin>>a.x;
  23. 	cin>>a.y;
  24. 	cout<<" a= "<< sqrt(a.x*a.x+a.y*a.y)<<endl;
  25. 	cout<<"введем координаты второго вектора"<<endl;
  26. 	cin>>b.x;
  27. 	cin>>b.y;
  28. 	cout<<"|b|= "<< sqrt(b.x*b.x+b.y*b.y)<<endl;
  29. cout<<"|a+b|= "<<sqrt((a.x+b.x)*(a.x+b.x)+(a.y+b.y)*(a.y+b.y))<<endl;
  30.  
  31. cout<<"|a-b|= "<<sqrt((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y))<<endl;
  32. cout<<"|a*3| "<< sqrt((a.x*3)*(a.x*3)+(a.y*3)*(a.y*3))<<endl;
  33.  
  34.  
  35.  
  36. 	return 0;
  37. }
  38.  
  39.  
Success #stdin #stdout 0s 3348KB
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stdin
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Standard input is empty
stdout
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c(-2.31102e-42,-2.21795e-41)
введем координаты первого вектора
 a= 1.78185e-41
введем координаты второго вектора
|b|= 0.437844
|a+b|= 0.437844
|a-b|= 0.437844
|a*3| 5.34554e-41
https://ideone.com/McrI6A
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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