* 解题思路：先对nums2用单调栈求每个元素的下一个更大值，存入Map缓存；再遍历nums1直接查Map得结果
One user Alastair, or Eret, who hosts a server on the platform with more than 60,000 users, told the BBC simply, "I do not trust them."
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to return memory. When we have memory usage like this, we can do better，推荐阅读heLLoword翻译官方下载获取更多信息
The broadcast generated global headlines and much commentary on what happened and and how it could have been prevented.，这一点在爱思助手下载最新版本中也有详细论述