How does leetcode view duplicate numbers in an array
This article mainly introduces leetcode how to view the repeated numbers in the array, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.
Topic link
Https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof/
Topic description
Find the duplicate numbers in the array.
All the numbers in an array nums of length n are in the range of 0 to nmur1. Some numbers in the array are duplicated
But I don't know how many numbers have been repeated, nor how many times each number has been repeated. Please find any one of the array
Duplicate numbers.
Example 1:
Enter:
[2, 3, 1, 0, 2, 5, 3]
Output: 2 or 3
Restrictions:
two
