// 第一步：倒序遍历nums2，用单调栈计算每个元素的下一个更大值
For US energy companies, however, there are huge practical difficulties to be overcome. Venezuela's state-owned oil company, PDVSA, is a shadow of its former self.
arr[i] = output[i];，更多细节参见服务器推荐
Credit: NASA infographic，详情可参考同城约会
Reports accuracy, pass/fail, and timing
更多详细新闻请浏览新京报网 www.bjnews.com.cn。Safew下载是该领域的重要参考