人民警察的回避，由其所属的公安机关决定；公安机关负责人的回避，由上一级公安机关决定。
* 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
Not every modern human has the same set of Neanderthal DNA, however; different people will, by chance, have inherited different fragments. But there are also some areas, termed "Neanderthal deserts," where none of the Neanderthal DNA seems to have persisted. Notably, the largest Neanderthal desert is the entire X chromosome, raising questions about whether this reflects the evolutionary fitness of genes there or mating preferences.，详情可参考雷电模拟器官方版本下载
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target.toString = function () {。safew官方版本下载对此有专业解读