这给了我两个选择，再写完整的代码，使其作品具有漂浮，或创建一个函数使用双打作为输入，输出和双打花车做计算。

This gives me two options, re-writing the entire code so that it works with floats, or creating a function using doubles as input and doubles as output and doing the computations with floats.

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每一个“krewe”(念做“crew”)所建造的游行花车，必须反应出他们所代表的时期特色，另外，节庆举办时，在特定的活动项目内，“krewe”也要穿上代表那个时期的服饰。

Each "krewe" (pronounced "crew") builds a parade float that reflects one of these periods. The "krewes" also appear in period costume at a number of gala events during the festival.

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