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  1. #include <stdio.h>
  2.  
  3. // 4 bit version
  4. int pdiv(int dividend, int divisor)
  5. {
  6. 	int qoutient = 0, remainder = dividend;
  7. 	divisor <<= 4;
  8.  
  9. 	for(int i = 0; i < 5; i++)
  10. 	{
  11. 		remainder -= divisor;
  12. 		if (remainder >= 0)
  13. 		{
  14. 			qoutient <<= 1;
  15. 			qoutient |= 1;
  16. 		}
  17. 		else
  18. 		{
  19. 			remainder += divisor;
  20. 			qoutient <<= 1;
  21. 		}
  22. 		divisor >>= 1;
  23. 	}
  24. 	return qoutient;
  25. }
  26.  
  27. int main(void)
  28. {
  29. 	printf("%d\n", pdiv(4,2));
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 9424KB
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https://ideone.com/8p1zes
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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