题解 | #栈的压入、弹出序列#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param pushV int整型一维数组 
# @param popV int整型一维数组 
# @return bool布尔型
#
class Solution:
    def IsPopOrder(self , pushV: List[int], popV: List[int]) -> bool:
        # write code here
        helpList=[]
        index =0
        for v in pushV:
            helpList.append(v)
           
            while(helpList and helpList[-1]==popV[index]):
                helpList.pop()
                index+=1
        return len(helpList)==0