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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	double a;
  5. 	scanf("%d",&a);
  6. 	printf("%d",2*a*a);
  7. 	return 0;
  8. }
  9.  
Success #stdin #stdout 0s 5324KB
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-1282439792
https://ideone.com/uCt2mJ
language:
C (gcc 8.3)
created:
19 hours ago
visibility:
public

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