Implement a function that merges K sorted linked lists into one sorted list. Analyze the time complexity of your approach and explain when you'd choose an alternative algorithm.

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Stay specific. One example, told well, beats three told fast. Make your decisions visible — what you chose between. End on what changed, for whom.

Implement a function that merges K sorted linked lists into one sorted list. Analyze the time complexity of your approach and explain when you'd choose an alternative algorithm.

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