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  1. #include<math.h>
  2. #include<stdio.h>
  3.  
  4. struct {
  5.  double x;
  6.  double y;
  7. } a={1,1},b={0.0};
  8.  
  9. int main(void){
  10.  double len;
  11.  len = sqrt( (b.x - a.x)*(b.x - a.x) + (b.y - a.y)*(b.y - a.y) );
  12.  printf("点 a と点 b を結ぶ線分の長さ: %lf¥n", len );
  13.  return 0;
  14. }
Success #stdin #stdout 0s 5288KB
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点 a と点 b を結ぶ線分の長さ: 1.414214¥n
https://ideone.com/K8qPq3
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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