Given a linked list were supposed to update the value of each node by the sum of the node itself and the sum of (n-(k))th node
example: 31->2->3->4->5->11->50
Output : 42->13->8->4->8->13->42
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Could you provide the complete problem statement and constraints.
Also, more importantly, is the contest ongoing?
No it is just a previous year interview question of a company
As such there is no constraint specification