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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	double r;
  6. 	scanf("%lf",&r);
  7. 	printf("r=%f\n",r);
  8. 	return 0;
  9. }
  10.  
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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r=0.000000
https://ideone.com/1yTcre
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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