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Points: 1
Time limit: 30.0s
Memory limit: 250M

Problem type
Allowed languages
Python

Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct.

  Example 1: Input: nums = [1,2,3,1] Output: true Example 2: Input: nums = [1,2,3,4] Output: false Example 3: Input: nums = [1,1,1,3,3,4,3,2,4,2] Output: true

  Constraints:

1 <= nums.length <= 10⁵
-10⁹ <= nums[i] <= 10⁹

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