LeetCode 217 Contains Duplicate
01:10 : Solution Approach
02:15 : Code It Up
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.
Input: nums = [1,2,3,1]
Output: true
Example 2:
Input: nums = [1,2,3,4]
Output: false
Link: https://leetcode.com/problems/contain...
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