contains-duplicate
Submit solution
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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