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Algorithm_Python_2021/study/stack_queue/que_to_stack.py at master · SoniaComp/Algorithm_Python_2021 · GitHub
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Algorithm_Python_2021
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study
/
stack_queue
/
que_to_stack.py
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master
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Algorithm_Python_2021
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study
/
stack_queue
/
que_to_stack.py
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from
collections
import
deque
class
MyStack
:
def
__init__
(
self
):
self
.
q
=
deque
()
def
push
(
self
,
x
):
# 넣을 때마다 재정렬함으로 스택성질을 유지
self
.
q
.
append
(
x
)
for
_
in
range
(
len
(
self
.
q
)
-
1
):
self
.
q
.
append
(
self
.
q
.
popleft
())
def
pop
(
self
):
return
self
.
q
.
popleft
()
def
top
(
self
):
return
self
.
q
[
0
]
def
empty
(
self
):
return
len
(
self
.
q
)
==
0
You can’t perform that action at this time.
