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Implement Queue using Stacks
Bookmark
Input
Standard
Alternating
Batch push then pop
Peek and empty checks
Custom
operations
=
[push(1), push(2), push(3), pop(), peek(), push(4), pop()]
push(1)
push(2)
push(3)
pop()
peek()
push(4)
pop()
input
pushes land here
output
pops served here
transfer
algo
master
.
io
Step:
Two stacks make a queue: input collects pushes, output serves them in FIFO order
0 / 31
Input
Standard
Alternating
Batch push then pop
Peek and empty checks
Custom
operations
=
[push(1), push(2), push(3), pop(), peek(), push(4), pop()]
0 / 31
push(1)
push(2)
push(3)
pop()
peek()
push(4)
pop()
input
pushes land here
output
pops served here
transfer
algo
master
.
io
Step:
Two stacks make a queue: input collects pushes, output serves them in FIFO order
