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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 void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int[] nums = {1, 1, 3, 1, 2, 3};
  13.         int k = 1;
  14.         boolean flag = false;
  15.         HashMap <Integer,Integer> mp = new HashMap<>();
  16.         for(int i = 0; i < nums.length; i++){
  17.         	if(mp.containsKey(nums[i]) && i - mp.get(nums[i]) <= k){
  18.         		flag = true;
  19.         	}
  20.         	mp.put(nums[i],i);
  21.         }
  22.  
  23.         if(flag)
  24.         	System.out.println("yes");
  25.         else
  26.         	System.out.print("no");
  27. 		// your code goes here
  28. 	}
  29. }
Success #stdin #stdout 0.1s 52736KB
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Standard input is empty
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yes
https://ideone.com/t5XqNk
language:
Java (12.0.1)
created:
7 hours ago
visibility:
public

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