Choose the correct alternatives (more than one may be correct) and write the…
GATE · 1991 · CS · Question 3 subparts
Choose the correct alternatives (more than one may be correct) and write the corresponding letters only. The following sequence of operations is performed on a stack:
PUSH (10), PUSH (20), POP, PUSH (10), PUSH (20), POP, POP, POP, PUSH (20), POP
The sequence of values popped out is?
- A.
20, 10, 20, 10, 20
- B.
20, 20, 10, 10, 20
- C.
10, 20, 20, 10, 20
- D.
20, 20, 10, 20, 10
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