[剑指Offer-59-II][中等][滑动窗口] 队列的最大值
题目描述
输入:
["MaxQueue","push_back","push_back","max_value","pop_front","max_value"]
[[],[1],[2],[],[],[]]
输出: [null,null,null,2,1,2]输入:
["MaxQueue","pop_front","max_value"]
[[],[],[]]
输出: [null,-1,-1]解题思路
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