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This article shows you how to use leetcode in golang to find the smallest number of k, the content is concise and easy to understand, absolutely can make you shine, through the detailed introduction of this article I hope you can gain something.

Enter an array of integers arr and find the smallest k in it. For example, if you enter the 8 numbers 4, 5, 1, 6, 2, 7, 3, and 8, the smallest 4 numbers are 1, 2, 3, and 4.

Example 1:

Input: arr = [3,2,1], k = 2

Output: [1,2] or [2,1]

Example 2:

Input: arr = [0,1,2,1], k = 1

Output: [0]

Limitations:

0

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