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  1. #include <stdio.h>
  2. int main(void)
  3. {
  4. 	int x1,x;
  5. 	x1=1;
  6. 	do
  7. 	{
  8. 		x=2*x1+1;
  9. 		x1=x;
  10. 	}
  11. 	while(x<=1000);
  12. 	printf("%d\n",x);
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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1023
https://ideone.com/17exOC
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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