Unique Values Preserving Order | Dataford Interview Questions

How to make an array with unique values while maintaining order?

Implement a function that returns a new array containing each integer only once, keeping the first occurrence order. The input is an array of integers, and the output must be an array of integers with duplicates removed.

Constraints

0 <= nums.length <= 10^4
-10^9 <= nums[i] <= 10^9
Return a new array and preserve the order of first appearances

Function Signature

def unique_values(nums):

Your question is Unique Values Preserving Order. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

How to make an array with unique values while maintaining order?

Constraints

0 <= nums.length <= 10^4
-10^9 <= nums[i] <= 10^9
Return a new array and preserve the order of first appearances

Function Signature

def unique_values(nums):

Your question is Unique Values Preserving Order. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.