# # 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: j = 0 stack = [] for x in pushV: stack.append(x) while stack and stack[-1] == popV[j]: stack.pop() j += 1 return j == len(popV)