Medium-Easy Understand Stacks & Queues Multiple Choice

How many times is each element pushed and popped in the monotonic stack for Next Greater Element?

Understand — Tests comprehension and ability to explain concepts.

Answer Options

A At most n times total push, n times total pop

B Exactly 1 push and 0-1 pops per element

C At most 1 push and 1 pop per element

D O(n²) total operations

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

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