Medium-Easy Understand Stacks & Queues Multiple Choice

What is the time complexity of Decode String (LC 394) and why?

Understand — Tests comprehension and ability to explain concepts.

Answer Options

A O(n)

B O(n²)

C O(k*n) where k is max repeat count

D O(output length)

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This question is from the Stacks & Queues topic (Data Structures).

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