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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int raggio;
  5. int d;
  6. float c;
  7. float a;
  8. //float p=3.14;
  9. scanf("%d\n",&raggio);
  10. //scanf("%f\n",&p);
  11. d=2*raggio;
  12. c=2*3.14*raggio;
  13. a=3.14*raggio*raggio;
  14. printf("d:%d\n",d);
  15. printf("c:%f\n",c);
  16. printf("a:%f\n",a);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 9432KB
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stdin
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4
stdout
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d:8
c:25.120001
a:50.240002
https://ideone.com/6GuTEd
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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