76
Starting with an empty stack, these operations are performed: push(5), pop(), push(3), pop(), push(2), push(4), push(9). What is at the top of the stack now?
DiscussEasy
Loading subject content…
Loading practice questions…
Starting with an empty stack, these operations are performed: push(5), pop(), push(3), pop(), push(2), push(4), push(9). What is at the top of the stack now?