Computer Science · Data Structures
Which of the following cannot be obtained as an output sequence using a stack if the input sequence is 1 2 3 4?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 2 1 4
- 23 1 4 2✓
- 34 3 2 1
- 42 1 4 3
Correct answer
3 1 4 2
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