"Using firm contracts in uncertain situations carries significant commercial risks," says Albert Sanchez-Graells, a professor at the University of Bristol Law School who has been researching NHS contracts for more than 15 years.
As a parent of teenage children, Cooper said she had lost the taste for serious films.
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思路：倒序遍历 + 单调索引栈（仅存索引），计算下一个高温的间隔天数。栈顶索引 - 当前索引即为等待天数。