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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static int [] diff(int [] ar1, int [] ar2)
  11. 	{
  12. 		int n1=ar1.length,n2=ar2.length;
  13. 		int [] res;
  14. 		int i,k,a,b,c;
  15. 		int min=ar2[0],max=ar2[n2-1];
  16. 		boolean flg;
  17.  
  18. 		int [] tmp=new int [n1];
  19.  
  20. 		k=0;
  21. 		for (i=0; i<n1; i++)
  22. 		{
  23. 			if ((ar1[i] < min) || (ar1[i] > max))
  24. 			{
  25. 			   tmp[k++]=ar1[i];
  26. 			}
  27. 			else
  28. 			{
  29. 				a=0; 
  30. 				b=n2-1;
  31. 				if (ar2[a]==ar1[i] || ar2[b]==ar1[i]) 
  32. 				   flg=true;
  33. 				else
  34. 				{
  35. 				  flg=false;
  36. 				  while(b-a>1)
  37. 				  {
  38. 					c=(a+b)/2;
  39. 					if (ar2[c]==ar1[i]) 
  40. 					{
  41. 						flg=true;
  42. 						break;
  43. 					}
  44. 					if (ar2[c] > ar1[i])
  45. 					{
  46. 						b=c;
  47. 					}
  48. 					else
  49. 					{
  50. 						a=c;
  51. 					}
  52. 				  }
  53. 				}  
  54. 				if (! flg) tmp[k++]=ar1[i];
  55. 			}
  56. 		}
  57.  
  58. 		res=new int[k];
  59.  
  60. 		for (i=0; i<k; i++)
  61. 		{
  62. 			res[i]=tmp[i];
  63. 		}
  64. 		return res;
  65. 	}
  66. 	public static void main (String[] args) throws java.lang.Exception
  67. 	{
  68. 		int [] ar1={1,2,3,4,5,6,7,10,15};
  69. 		int [] ar2={1,7,8,9,10,11,};
  70. 		int [] r=diff(ar1,ar2);
  71. 		for(int i=0; i<r.length; i++) System.out.print(r[i]+" ");
  72. 	}
  73. }
  74.  
Success #stdin #stdout 0.04s 2184192KB
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stdin 
Standard input is empty
stdout 
2 3 4 5 6 15
https://ideone.com/SuMwco
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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