A method is described for the manufacture of pivoting colloidal assemblies comprising rotating diamond and rotating triangle geometries that show tunable folding and unfolding by thermal fluctuations and actuation by magnetic attractions.
// 1. 统计每个元素出现次数
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描述：输入一个「环形数组」，计算每个元素的下一个更大元素。若不存在，返回 -1。
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