Get Unique Array Elements | Dataford Interview Questions

Get all of the unique items in an array.

Implement unique_items(items) to return each distinct integer once, preserving the order of its first appearance. The input is a list of integers, and the output must be a new list containing the unique values.

Function Signature

unique_items(items)

Constraints

0 <= len(items) <= 10^4
Each item is an integer
Preserve the order of first appearance
The output must contain no duplicate values

Function Signature

def unique_items(items):

Your question is Get Unique Array Elements. 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

Get all of the unique items in an array.

Function Signature

unique_items(items)

Constraints

0 <= len(items) <= 10^4
Each item is an integer
Preserve the order of first appearance
The output must contain no duplicate values

Function Signature

def unique_items(items):

Your question is Get Unique Array Elements. 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.