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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	int a = 3, times = 0;
  6. 	do{
  7. 		a = a * 2 - 1;
  8. 		times += 1;
  9. 	}while(a <= 10000);
  10.  
  11. 	printf("この数列が10000を超えるのは%d番目で値は%d", times, a);
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5304KB
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この数列が10000を超えるのは13番目で値は16385
https://ideone.com/b9XgYL
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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