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  1. #include <stdio.h>
  2.  
  3. struct Ellipse{
  4. 	double a;
  5. 	double b;
  6. };
  7.  
  8. int main(void) {
  9. 	struct Ellipse data;
  10. 	double area;
  11. 	double pi=3.14;
  12.  
  13. 	data.a=5.0;
  14. 	data.b=3.0;
  15.  
  16. 	area=pi*data.a*data.b;
  17.  
  18. 	printf("長径：%.2f,短径:%.2fの楕円の面積は%.2fです",
  19. data.a,data.b,area);
  20.  
  21.  
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5304KB
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長径：5.00,短径:3.00の楕円の面積は47.10です
https://ideone.com/xWMBXD
language:
C99 (gcc 8.3)
created:
4 hours ago
visibility:
public

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