Natalie ShermanBusiness reporter
Александр Курбатов (редактор отдела «Бывший СССР»)
，更多细节参见91视频
// 作用：通过最值判断是否需要扩展左/右边界（左侧最小值/右侧<最大值的元素都需纳入无序区间）
Mark Carney and Pierre Polievre offered condolences after nine people were shot dead in the town of Tumbler Ridge in British Columbia.