/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
int[] nums = {1, 1, 3, 1, 2, 3};
int k = 1;
boolean flag = false;
for(int i = 0; i < nums.length; i++){
if(mp.containsKey(nums[i]) && i - mp.get(nums[i]) <= k){
flag = true;
}
mp.put(nums[i],i);
}
if(flag)
else
// your code goes here
}
}
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