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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	int t;
  6. 	scanf("%d",&t);
  7. 	while(t--)
  8. 	{
  9. 		int k ;
  10. 		printf("3");
  11. 		scanf("%d",&k);
  12. 		if(k>0)
  13. 		printf(".");
  14. 		long long int num=30;
  15. 		long long int numer = 1039930;
  16. 		long long int denom = 33102;
  17. 		while(k--)
  18. 		{
  19. 			long long int bro = numer/denom;
  20. 			printf("%lld",bro-num);
  21. 			num=bro;
  22. 			num*=10;
  23. 			numer*=10;
  24. 		}
  25. 		printf("\n");
  26. 	}
  27. 	return 0;
  28. }
  29.  
Success #stdin #stdout 0s 2172KB
comments (?)
stdin 
3
0
6
20
stdout 
3
3.141592
3.1415926530119-55726977444594122290790977837652229079097783758-22290790977837581671809323337815-27863488722297001671809323337815
https://ideone.com/dndib2
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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