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  1. #include <math.h>
  2. #include <stdio.h>
  3.  
  4. struct point
  5. {
  6.  double x;
  7.  double y;
  8. };
  9.  
  10. typedef struct point Point;
  11.  
  12. double Distance (Point * p);
  13. double Distance2 (Point * p1,Point * p2);
  14.  
  15.  
  16. double Distance2 (Point *p1,Point *p2){
  17.  return sqrt( pow((p1->x)+(p2->x),2)  + pow((p1->y)+(p2->y),2));
  18. }
  19.  
  20. double Distance (Point *p1){
  21.  return sqrt( pow((p1->x),2)  + pow((p1->y),2));
  22. }
  23.  
  24. void main(int argc, char* argv[])
  25. {
  26.   double x1,x2,y1,y2;
  27.  scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2);
  28.  
  29.  Point a;
  30.  a.x = x1;
  31.  a.y = y1;
  32.  
  33.  Point b;
  34.  b.x = x2;
  35.  b.y = y2;
  36.  
  37.  printf ("%lf",Distance2(&a,&b)); 
  38. }
Success #stdin #stdout 0s 5328KB
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Standard input is empty
stdout
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0.000000
https://ideone.com/zg9ZLR
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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