generateNumbers方法将根据彩票上的号码生成一个数字数组。
The generateNumbers method generates an array of numbers corresponding to the numbers on a lottery ticket.
使用float的惟一时机就是操纵精度有限的大型多维浮点数字数组，此时存储空间较为重要。
The only time floats are used is in manipulation of large multidimensional arrays of floating-point numbers with limited precision in which the storage space would be significant.
给定一个整型数字数组，找出这个数组是否包含任何重复内容。
Given an array of integers, find if the array contains any duplicates.
给定一个整型数字数组，找出这个数组是否包含任何重复内容。
Given an array of integers, find if the array contains any duplicates.
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