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Traverse linked list and try to find pairs.
For each team, keep the number of its winning games in a variable.
Compare the winning variables and find the answer.
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Problems like Winner of the Linked List Game represent common linked list traversal patterns often seen in technical interviews. While the exact question may vary, similar pairwise comparison or traversal problems frequently appear in coding interviews at top tech companies.
A singly linked list is the core data structure used in this problem. The solution simply iterates through the list using pointers, comparing adjacent nodes without needing additional data structures.
The optimal approach is to traverse the linked list in pairs and compare the values of consecutive nodes. For each pair, award a point to the side with the larger value and maintain running scores. After the traversal, compare the scores to determine the winner.
The solution runs in O(n) time because each node in the linked list is visited once during a single traversal. Since only a few counters and pointers are used, the space complexity remains O(1).