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  1. #include<math.h>
  2.  
  3. struct Coordinate{
  4.     double x;
  5.     double y;
  6.     double z;
  7. };
  8.  
  9. int main(void)
  10. {
  11.     struct Coordinate a = { 1, 5, 2 };
  12.     struct Coordinate b = { 5, 3, 1 };
  13.     struct Coordinate c = { 2, 8, 4 };
  14.  
  15.     double length_ab;
  16.     double length_co;
  17.  
  18.     length_ab = sqrt( (b.x - a.x)*(b.x - a.x) + (b.y - a.y)*(b.y - a.y) + (b.z - a.z)*(b.z - a.z) );
  19.     length_co = sqrt( c.x*c.x + c.y*c.y + c.z*c.z );
  20.  
  21.     if(length_ab > length_co){
  22.         printf("length ab : %lf\n", length_ab );
  23.     }
  24.     else{
  25.         printf("length co : %lf\n", length_co );
  26.     }
  27.  
  28.     return 0;
  29. }
  30.  
  31.  
  32.  
  33.  
  34.  
  35.  
  36.  
  37.  
Success #stdin #stdout 0s 5300KB
comments (?)
stdin 
Standard input is empty
stdout 
length co : 9.165151
https://ideone.com/OoU5Ab
language:
C (gcc 8.3)
created:
5 hours ago
visibility:
public

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