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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a=1,n=0,sum=0,count=0;
  5.  
  6. 	do
  7. 	{
  8. 		a=2*a+1;
  9. 		if(a<=100)continue;
  10. 		if(a>=10000)break;
  11. 		count++;
  12. 	}
  13. 	while(1);
  14.  
  15. 	printf("%d個です",count);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5304KB
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7個です
https://ideone.com/hZo4oZ
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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