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腾讯&字节等:最小的k个数 #59

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@sisterAn

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@sisterAn
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话不多说,来一道题目加深一下理解吧:

输入整数数组 arr ,找出其中最小的 k 个数。例如,输入4、5、1、6、2、7、3、8这8个数字,则最小的4个数字是1、2、3、4。

 示例 1:

输入:arr = [3,2,1], k = 2
输出:[1,2] 或者 [2,1]

示例 2:

输入:arr = [0,1,2,1], k = 1
输出:[0]

限制:

  • 0 <= k <= arr.length <= 10000
  • 0 <= arr[i] <= 10000

附赠leetcode地址:leetcode

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