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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a=0,n=3;
  5. 	scanf("%d",&n);
  6.     while( n <= 10000 )
  7. 	{
  8. 		n = 2*n-1;
  9. 		a = a + 1;
  10. 	}
  11. 	printf("10000を超えるのは%d番目です。 \n", a);
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5300KB
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Standard input is empty
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10000を超えるのは13番目です。
https://ideone.com/leYpm1
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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