Scale AI data scientist interviews test statistical reasoning, ML model design, SQL proficiency, A/B testing methodology, and Python-based algorithm implementation.
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coding
Hard
Verified Question
#1
1. Subsequence Goodness Values
Category: Array coding problem# Subsequence Goodness ValuesInput: Array
Output: Integer
coding
Hard
Verified Question
#2
2. Standard Card Game Simulator
Category: Sorting coding problemYou are provided with class and enum definitions for a standard card game, including Suit, Rank, Card, Deck, and Player. The deck contains all 52...Input: Given input
Output: Printed output
coding
Medium
Verified Question
#3
3. [OA] Energy Wall Explorer
Category: Algorithm coding problemYou are navigating an infinite corridor that contains several invisible barriers. You start at position 0 with F units of fuel. You move one unit...Input: List
Output: Integer
coding
Medium
Verified Question
#4
4. N-ary Tree Node Distance
Category: Tree coding problemYou are given an N-ary tree. Each node has a unique integer value val and a list of child nodes. Given two integer values a and b representing nodes...Input: Array
Output: Integer
coding
Medium
Verified Question
#5
5. Poker Hand Validator
Category: String coding problemYou are given a hand of exactly 5 cards drawn from a standard 52-card deck. Each card is a string in the format "<RANK> of <SUIT>", where RANK is one...Input: String
Output: Computed result
coding
Medium
Verified Question
#6
6. Neighborhood Party Scheduler
Category: String coding problemA social platform organizes events across various neighborhoods. Each event is recorded in two separate lists sharing a common event identifier. You...Input: Array of strings
Output: Array
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