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Data structures

A data structure is a particular way storing and organizing data in a computer for efficient access and modification. Data structures are designed for a specific purpose. Examples include arrays, linked lists, and classes.

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azl397985856
azl397985856 commented Aug 26, 2019

给你两个数组,arr1 和 arr2,

arr2 中的元素各不相同
arr2 中的每个元素都出现在 arr1 中
对 arr1 中的元素进行排序,使 arr1 中项的相对顺序和 arr2 中的相对顺序相同。未在 arr2 中出现过的元素需要按照升序放在 arr1 的末尾。

 

示例:

输入:arr1 = [2,3,1,3,2,4,6,7,9,2,19], arr2 = [2,1,4,3,9,6]
输出:[2,2,2,1,4,3,3,9,6,7,19]
 

提示:

arr1.length, arr2.length <= 1000
0 <= arr1[i], arr2[i] <= 1000
arr2 中的元素 arr2[i] 各不相同
arr2 中的每个元素 arr2[i] 都出现在 arr1 中

来源:力扣(LeetCode)
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