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查询Tags标签： occurrences，共有 2条记录

[LeetCode] 1207. Unique Number of Occurrences 独一无二的出现次数

Given an array of integers arr, write a function that returns true if and only if the number of occurrences of each value in the array is unique. Example 1: Input: arr = [1,2,2,1,1,3] Output: true Explanation: The value 1 has 3 occurrences, 2 has 2 an…

2021/8/29 6:08:06 人评论次浏览
[LeetCode] 1207. Unique Number of Occurrences 独一无二的出现次数

Given an array of integers arr, write a function that returns true if and only if the number of occurrences of each value in the array is unique. Example 1: Input: arr = [1,2,2,1,1,3] Output: true Explanation: The value 1 has 3 occurrences, 2 has 2 an…

2021/8/29 6:08:06 人评论次浏览