Computer Science · Stacks
If the sequence of operations - push(1), push(2), pop, push(1), push(2), pop, pop, pop, push(2), pop are performed on a stack, the sequence of popped-out values is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12, 2, 1, 2, 1
- 22, 2, 1, 2, 2
- 32, 2, 2, 1, 1
- 42, 2, 1, 1, 2✓
Correct answer
2, 2, 1, 1, 2
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