思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。
Afghanistan has become Indian 'colony' - Pakistan
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Heico在航空航天与国防领域拥有强劲的复利增长历史，Stallard给予该股“买入”评级，目标价为403美元。花旗分析师John Godyn也看好该股，认为近期回调为投资者提供了吸引力的入场时点。
But the president has offered little certainty about which firm he favours.。safew官方版本下载对此有专业解读
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So Squire and his colleagues analysed everything they could see in Lucy's room: the bedspread, her outfits, her stuffed toys. Looking for any element which might help.