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  1. /* 演習と面積　*/
  2. // tsuchiya
  3. #include <stdio.h>
  4. #define PI 3.14159
  5. int main(void) {
  6. 	int r ;
  7. 	float l,s;
  8. 	r=10;
  9. 	l=s*PI*r;
  10. 	s=PI*r*r;
  11. 	printf("円周=%f/t面積=%f\n",l,s);
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 4308KB
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Standard input is empty
stdout
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円周=0.000000/t面積=314.158997
https://ideone.com/P5vu91
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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