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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5.  
  6. 	int a=3,n=0;
  7.  
  8. 	do
  9. 	{
  10. 	a=2*a-1;
  11. 	n=n+1;
  12. 	}
  13. 	while(a<=10000);
  14. 	printf("この値は%dで最初から%d番目です\n",a,n);
  15.  
  16.  
  17.  
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5308KB
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Standard input is empty
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この値は16385で最初から13番目です
https://ideone.com/JoJuKa
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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