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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. import java.util.TreeSet;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10.  
  11. {
  12.  
  13. 	public static int Bigger(TreeSet<Integer> t, int n ){
  14. 		if(t.isEmpty()){
  15. 			return -2;
  16. 		}
  17. 		Integer v1 = t.higher(n);
  18. 		if(v1 == null){
  19. 			return -1;
  20. 		}
  21.  
  22. 		return v1;
  23. 	}
  24.  
  25.     public static int Smaller(TreeSet<Integer> t, int n){
  26.     	if(t.isEmpty()){
  27. 			return -2;
  28. 		}
  29.  
  30. 		Integer v1 = t.floor(n);
  31. 		if(v1 == null){
  32. 			return  -1;
  33. 		}
  34. 		if(v1 == n){
  35. 			v1 = t.lower(n);
  36. 			if(v1 == null){
  37. 				return -1;
  38. 			}
  39. 		}
  40. 		return v1;
  41.     }
  42.  
  43. 	public static void main (String[] args) throws java.lang.Exception
  44. 	{
  45. 		// your code goes here
  46.  
  47. 		TreeSet<Integer> tree = new TreeSet<>();
  48.  
  49. 		tree.add(5);
  50. 		tree.add(3);
  51. 		tree.add(2);
  52. 		tree.add(10);
  53. 		tree.add(1);
  54.  
  55. 		int v1 = Bigger(tree,5);
  56. 		System.out.println(v1 + " ");
  57.  
  58. 		v1 = Smaller(tree,3);
  59. 		System.out.println(v1+ " " );
  60.  
  61.  
  62. 	}
  63. }
Success #stdin #stdout 0.15s 55848KB
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https://ideone.com/n5qKVz
language:
Java (HotSpot 12)
created:
14 days ago
visibility:
public

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