i dont understand the concept.please clear the concept.
Dont understand the concept
In each query, you are either given distance to add or you are asked kth distance.
try to understand with given test case and read carefully. Its easy to understand .
Rest, for algorithm, you can do this :
Whenever you get a query, pop k-1 elements temporarily and give the answer!
For this implementation, you can have a look at this very simple and easy code here.
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