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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. void meanings(double x1,double x2,double y1,double y2,double &angle,double &distance){
  5. double dx=x2-x1;
  6. double dy=y2-y1;
  7.    distance=sqrt(dx*dx+dy*dy);
  8.    angle=atan(dy/dx);
  9. }
  10. void elsemeanings(double length, double width, double &area, double &perimetr){
  11.    area=length*width;
  12.    perimetr=2*(length+width);
  13. }
  14.  
  15. int main() {
  16.     cout<<"---here---\n";
  17.     double x1=0, y1=0, x2=3, y2=4;
  18.     double dist, ang;
  19.     meanings(x1,x2,y1,y2,ang,dist);
  20.     cout<<"angle:"<<ang<<"\n";
  21.     cout<<"distance;"<<dist<<"\n";
  22.  
  23.     double l=5,w=10;
  24.     double a,p;
  25.     elsemeanings(l,w,a,p);
  26.  
  27.     	cout<<"area"<<a<<"\n";
  28.     	cout<<"perimetr"<<p<<"\n";
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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---here---
angle:0.927295
distance;5
area50
perimetr30
https://ideone.com/R8mxgt
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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