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Meta Interview Questions (1380)

Practice real interview problems from Meta

#1512

Number of Good Pairs

Easy✓ Solution📹 Video
Accenture+9
#1517

Find Users With Valid E-Mails

Easy✓ Solution📹 Video
Amazon+3
#1518

Water Bottles

Easy✓ Solution📹 Video
Accenture+8
#1523

Count Odd Numbers in an Interval Range

Easy✓ Solution📹 Video
Amazon+4
#1534

Count Good Triplets

Easy✓ Solution📹 Video
Amazon+4
#1550

Three Consecutive Odds

Easy✓ Solution📹 Video
Amazon+4
#1572

Matrix Diagonal Sum

Easy✓ Solution📹 Video
Amazon+5
#1598

Crawler Log Folder

Easy✓ Solution📹 Video
Mercari+1
#1603

Design Parking System

Easy✓ Solution📹 Video
Amazon+5
#1633

Percentage of Users Attended a Contest

Easy✓ Solution📹 Video
Amazon+6
#1652

Defuse the Bomb

Easy✓ Solution📹 Video
Amazon+4
#1656

Design an Ordered Stream

Easy✓ Solution📹 Video
Bloomberg+2
#1661

Average Time of Process per Machine

Easy✓ Solution📹 Video
Accenture+6
#1667

Fix Names in a Table

Easy✓ Solution📹 Video
Amazon+4
#1672

Richest Customer Wealth

Easy✓ Solution📹 Video
Amazon+4
#1683

Invalid Tweets

Easy✓ Solution📹 Video
Acko+6
#1688

Count of Matches in Tournament

Easy✓ Solution📹 Video
Amazon+3
#1716

Calculate Money in Leetcode Bank

Easy✓ Solution📹 Video
Amazon+3
#1732

Find the Highest Altitude

Easy✓ Solution📹 Video
Amazon+6
#1748

Sum of Unique Elements

Easy✓ Solution📹 Video
Amazon+3
#1752

Check if Array Is Sorted and Rotated

Easy✓ Solution📹 Video
Amazon+9
#1757

Recyclable and Low Fat Products

Easy✓ Solution📹 Video
Amazon+5
#1768

Merge Strings Alternately

Easy✓ Solution📹 Video
Amazon+10
#1773

Count Items Matching a Rule

Easy✓ Solution📹 Video
Google+1
#1789

Primary Department for Each Employee

Easy✓ Solution📹 Video
Amazon+4
#1795

Rearrange Products Table

Easy✓ Solution📹 Video
Amazon+2
#1800

Maximum Ascending Subarray Sum

Easy✓ Solution📹 Video
Amazon+5
#1822

Sign of the Product of an Array

Easy✓ Solution📹 Video
Amazon+2
#1826Premium

Faulty Sensor

Easy✓ Solution📹 Video
Meta
#1854

Maximum Population Year

Easy✓ Solution📹 Video
Amazon+6
#1903

Largest Odd Number in String

Easy✓ Solution📹 Video
Accenture+5
#1920

Build Array from Permutation

Easy✓ Solution📹 Video
Amazon+4
#1925

Count Square Sum Triples

Easy✓ Solution📹 Video
Bloomberg+4
#1929

Concatenation of Array

Easy✓ Solution📹 Video
Amazon+6
#1957

Delete Characters to Make Fancy String

Easy✓ Solution📹 Video
Amazon+5
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About Meta Coding Interviews

Meta (Facebook) is known for running highly structured engineering interviews that emphasize strong data structures and algorithms fundamentals. Whether you're applying for Software Engineer, Production Engineer, or other technical roles, the Meta coding interview focuses heavily on writing clean, optimized solutions while clearly explaining your thought process.

The typical Meta interview process starts with a recruiter screen followed by one or two technical phone interviews. Candidates who pass these rounds move to the onsite or virtual onsite, which usually includes multiple coding interviews, a system design round for experienced candidates, and a behavioral interview. Interviewers expect you to solve problems efficiently while communicating trade‑offs and edge cases.

Meta interview questions commonly focus on a few core DSA patterns. Based on real interview data, you’ll frequently encounter:

  • Arrays and strings with two‑pointer or sliding window techniques
  • Hash tables and sets for fast lookups
  • Trees and graphs, especially BFS/DFS traversal problems
  • Dynamic programming for optimization problems
  • Stacks, queues, and interval problems

The difficulty distribution tends to include many medium‑level problems with occasional harder variants that test optimization and edge‑case handling. Interviewers often value clarity and correctness over extremely complex algorithms.

FleetCode helps you prepare efficiently with 1386 curated Meta interview questions collected from real candidate experiences. Problems are organized by difficulty and topic, allowing you to practice the patterns Meta asks most frequently. Each question includes solutions in Python, Java, and C++, helping you focus on mastering the coding patterns that actually appear in Meta interviews.

Interview Tips for Meta

Preparing for a Meta coding interview requires mastering common data structures, practicing clear communication, and becoming comfortable solving medium‑difficulty problems quickly. Meta interviews are designed to evaluate both your coding ability and how well you collaborate while solving problems.

Typical Meta interview format:

  • Recruiter screen: Initial discussion about your background and role expectations.
  • Technical phone screen (45 minutes): Usually 1–2 coding problems solved in a shared editor.
  • Virtual onsite (4–5 rounds): Multiple coding interviews, a system design round for mid/senior roles, and a behavioral interview focused on collaboration and impact.

Common coding topics asked at Meta:

  • Arrays and strings (very common)
  • Hash maps and frequency counting
  • Binary trees and graph traversal (BFS/DFS)
  • Sliding window and two‑pointer techniques
  • Intervals and stack problems
  • Dynamic programming for optimization tasks

Meta often asks problems that look simple at first but require careful handling of edge cases, time complexity, and clean code structure. Interviewers expect you to explain your reasoning before coding and discuss the complexity of your final solution.

Preparation strategy:

  • Practice at least 150–250 high‑quality problems, focusing heavily on medium difficulty.
  • Master core patterns like sliding window, prefix sums, DFS/BFS, and hash map counting.
  • Practice explaining your approach clearly before writing code.
  • Review previous Meta interview questions to understand recurring patterns.

Common mistakes to avoid:

  • Jumping straight into coding without clarifying the problem.
  • Ignoring edge cases such as empty inputs or duplicates.
  • Writing code that works but isn't optimized.
  • Not discussing time and space complexity.

Most candidates need around 8–12 weeks of focused preparation to become comfortable with Meta‑style problems. Using a structured question set—like the 1386 Meta problems on FleetCode—helps you systematically cover the patterns most likely to appear in the actual interview.