Meta data analyst interviews focus on SQL, data visualisation, business metrics, statistical analysis, and translating data insights into actionable recommendations.
1. OA[CodeSignal] Cloud File Storage System
Category: Graph coding problem
Question Your task is to implement a simple in-memory cloud storage system that maps objects (files) to their metadata (name, size, etc.). You...
Input: Graph (nodes and edges)Output: Array
2. OA[CodeSignal] Design Banking System
Category: Graph coding problem
Question Design a banking system that supports account management, transactions, and various financial operations.
Input: Graph (nodes and edges)Output: Computed result
3. Friend Requests Sent
Category: Algorithm coding problem
Question Given a list of ages representing users in a social network, calculate the total number of friend requests each user will send based on...
Input: ListOutput: Computed result
4. Minimum Prefix Subset
Category: Tree coding problem
Question Given a list of strings, find the minimum subset of prefixes that can represent the entire input set. A string is "represented" if it...
Input: Array of stringsOutput: Integer
5. Shortest Substring with Alphabet
Category: Sliding window coding problem*This is a popular twist Meta interviewers often put on the classic leetcode problem to find a minimum window substring.* Given an input string and...Input: String
Output: Integer
6. Shortest Substring with N Unique Characters
Category: String coding problem
Shortest Substring with N Unique Characters *This is a variation of the leetcode problem* Given a string s and an integer n, find the length of...
Output: Computed result
7. OA[CodeSignal] In-Memory Database
Category: Graph coding problem
Description Implement a simplified in-memory database that supports record manipulation with various operations. The system should handle basic...
Input: Graph (nodes and edges)Output: Array
8. [CodeSignal] Count Non-Dominant Elements
Category: Array coding problem
Question Given an array of integers numbers, count all elements that are not equal to numbers[0] or numbers[1] (if those indices exist in the...
Output: Computed result
9. [CodeSignal] Sort Words By Vowel Consonant Difference
Category: Array coding problem
Question You are given a string text consisting of unique lowercase English words separated by spaces. For each word, compute the absolute...
Output:** Computed result
10. [CodeSignal] Warehouse Robot Commands
Category: Matrix coding problem
Question In a highly automated warehouse, a robot organizes packages stored in a rectangular grid. The grid is represented as a 2D list of integers...
Input: Matrix (2D array)Output: Computed result
11. [CodeSignal] House Segments After Destruction
Category: Array coding problem
Question You are monitoring the building density in a district of houses. The district is represented as a number line, where each house is located...
Input: Array of integersOutput: Array
12. Distribution Center Placement
Category: Array coding problemA logistics company is expanding its distribution network along a single highway. You are given an array of integers
locations representing the...Input: Array of integersOutput: Computed result
13. Expression Simplifier
Category: String coding problemGiven an algebraic expression string containing single lowercase-letter variables, the operators
+ and -, and parentheses ( and ), simplify...Input: StringOutput: Computed result
14. Minimum Sum Tree Path
Category: Binary tree coding problem
Minimum Sum Tree Path
Input: Binary treeOutput: Computed result
15. How to pass AI Enabled Coding Rounds From FAANG Interviewer
Category: Algorithm coding problem
Tips For AI Coding Rounds AI coding rounds are not as different from regular coding rounds as you might think. The interviewer still needs to get...
Input: Given inputOutput: Computed result
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