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  1. #include <stdio.h>
  2. #define PI 3.14
  3.  
  4. struct Ellopse{
  5. 	int a;
  6. 	int b;
  7. }data={5,2};
  8.  
  9. int main(void) 
  10. {
  11. 	printf("area:%.lf\n",PI*data.a*data.b);
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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area:31
https://ideone.com/GDLcH3
演習課題2
language:
C99 (gcc 8.3)
created:
3 days ago
visibility:
public

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