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  1.  
  2. /**
  3.  * Division without using '/' operator
  4.  * @author PRATEEK
  5.  */
  6.  class Division {
  7.  
  8. 	public static int division(int dividend, int divisor) {
  9. 		if (divisor == 0)
  10. 			throw new ArithmeticException("Division by Zero");
  11.  
  12. 		boolean isPositive = true; // flag for negative number
  13.  
  14. 		if (dividend < 0) {
  15. 			isPositive = !isPositive; // toggle flag, i.e.negative
  16. 			dividend *= -1; // make divident positive
  17. 		}
  18.  
  19. 		if (divisor < 0) {
  20. 			isPositive = !isPositive;
  21. 			divisor *= -1;
  22. 		}
  23.  
  24. 		int temp, mul, result = 0;
  25. 		for (; dividend >= divisor; dividend -= temp >> 1, result += mul >> 1)
  26. 			for (mul = 1, temp = divisor; temp <= dividend; temp <<= 1, mul <<= 1);
  27.  
  28. 		return result;
  29. 	}
  30.  
  31. 	public static void main(String[] args) {
  32. 		int numerator = 56;
  33. 		int denominator = 5;
  34. 		int ans = division(numerator, denominator);
  35. 		System.out.println(numerator+"/"+denominator+"="+ans);
  36. 	}
  37. }
  38.  
Success #stdin #stdout 0.07s 380224KB
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56/5=11
https://ideone.com/P9IKLX
Division without operator
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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