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【每日一题】1331. 数组序号转换
2022-08-01 12:52:00 【爱写Bug的王六六】

根据题意进行模拟即可。
对 arr 进行拷贝操作得到新数组 clone,对 clone 数组进行排序,再使用哈希表记录元素与序号的映射关系,最后根据映射关系构造答案。
class Solution {
public int[] arrayRankTransform(int[] arr) {
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