* 核心思路：单调递增栈 + 控制删除位数（k0），优先移除高位大数，保证剩余数字最小
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。夫子对此有专业解读
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He tells BBC Newsbeat that he expected to receive a cease and desist letter from the retail giant after describing some of the clothes as "boring" and "tacky PE kit".
The report pointed out how birth rates in the U.S. have been below the minimum replacement rate since 2008, meaning that the bulk of population growth since then has been the result of immigration. This has proved especially true for the country’s labor force. Nearly 80% of immigrants are of working age, according to the Census, and they account for 19% of the workforce, around 33 million people.