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  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5. 	int i, j, flag, count=0;
  6.  
  7. 	for (i=2; i<=350000; i++)
  8. 	{
  9. 		flag= 1;
  10. 		for (j=2; j<i; j++)
  11. 		{
  12. 			if (i%j==0)
  13. 			{
  14. 				flag=0;
  15. 				break;
  16. 			}
  17. 		}
  18.  
  19. 		if (flag==1)
  20. 		count++;
  21. 	}
  22.  
  23. 	printf("%d", count);
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 11.86s 9432KB
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https://ideone.com/ujNUuU
prime idea 1 (3.5*10^5)
language:
C (clang 8.0)
created:
6 years ago
visibility:
secret

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