题解 | #栈的压入、弹出序列#
栈的压入、弹出序列
https://www.nowcoder.com/practice/d77d11405cc7470d82554cb392585106
class Solution:
def IsPopOrder(self , pushV: List[int], popV: List[int]) -> bool:
# write code here
ck_stack = []
n = len(pushV)
while pushV:
ck_stack.append(pushV.pop(0))
while ck_stack and ck_stack[-1] == popV[0]:
ck_stack.pop()
popV.pop(0)
return not popV
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