Skip to content

Instantly share code, notes, and snippets.

@vicxruiz
Created April 22, 2020 14:58
Show Gist options
  • Save vicxruiz/a8b3cd58e4ce71336dca9ce033689ee9 to your computer and use it in GitHub Desktop.
Save vicxruiz/a8b3cd58e4ce71336dca9ce033689ee9 to your computer and use it in GitHub Desktop.
Given an array of integers, find if the array contains any duplicates.
Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct.
Example 1:
Input: [1,2,3,1]
Output: true
Example 2:
Input: [1,2,3,4]
Output: false
Example 3:
Input: [1,1,1,3,3,4,3,2,4,2]
Output: true
func containsDuplicate(_ nums: [Int]) -> Bool {
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment