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Implement Stack using Queues
Bookmark
Input
Standard
Push Heavy
Alternating
Custom
operations
=
[push(1), push(2), push(3), pop(), top(), push(4), pop()]
push(1)
push(2)
push(3)
pop()
top()
push(4)
pop()
0
1
2
empty
queue is empty
algo
master
.
io
Step:
Start with an empty queue. The front of the queue will act as the stack top.
0 / 25
Input
Standard
Push Heavy
Alternating
Custom
operations
=
[push(1), push(2), push(3), pop(), top(), push(4), pop()]
0 / 25
push(1)
push(2)
push(3)
pop()
top()
push(4)
pop()
0
1
2
empty
queue is empty
algo
master
.
io
Step:
Start with an empty queue. The front of the queue will act as the stack top.
