Https://ide.codingblocks.com/s/228436

#1


What is wrong??

#2

@Shlok,
https://ide.codingblocks.com/s/228447 corrected code.

I have basically created a Comparator to sort the hashmap by value.

#3

@Shlok,

sorting the elements by values.

In the sample test case we have map as {1=2, 2=1, 3=3}.
After sorting by values will have our hashmap as {2=1, 1=2, 3=3} whose keys will be our answer.

#4

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