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  1. #include <stdio.h>
  2. #define PI 3.1415926
  3. int main()
  4. {
  5. int radius = 14;
  6. double circleArea = PI * radius *radius ;
  7. printf("radius: %d\n", radius);
  8. printf("area of circle: %f",circleArea);
  9. }
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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radius: 14
area of circle: 615.752150
https://ideone.com/tMzEAE
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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