Companies/Meta

76 problems tagged

Meta

Problems frequently asked in Meta technical interviews, sorted by frequency.

70Total problems

0Solved

47Very High freq.

0%Completion

Implement Pow(x, n)· Recursion

Recursion · Maths · Bit Manipulation

Very High frequency

Medium

20m

Generate Brackets· Recursion

Recursion · Backtracking · Strings

Very High frequency

Medium

25m

Power Set· Recursion

Recursion · Backtracking · Bit Manipulation

Very High frequency

Medium

20m

Two Sum· Hashing

Arrays · Hashing

Very High frequency

Easy

15m

Longest Consecutive Sequence· Hashing

Arrays · Hashing

Very High frequency

Medium

25m

Largest Subarray Sum· Arrays

Arrays · Dynamic Programming · Divide and Conquer

Very High frequency

Medium

20m

Arrange Colors in Order· Arrays

Arrays · Two Pointers · Sorting

Very High frequency

Medium

20m

Majority Element· Arrays

Arrays · Hashing · Greedy

Very High frequency

Easy

15m

Maximize Share Profit· Arrays

Arrays · Greedy · Dynamic Programming

Very High frequency

Easy

15m

Merge Two Sorted Array· Arrays

Arrays · Two Pointers · Sorting

Very High frequency

Medium

20m

Spiral Matrix· Arrays

Arrays · Matrix · Simulation

Very High frequency

Medium

25m

Three Sum· Arrays

Arrays · Two Pointers · Sorting

Very High frequency

Medium

25m

Merge Intervals· Arrays

Arrays · Sorting · Greedy

Very High frequency

Medium

25m

First and Last Occurrence· Binary Search

Binary Search · Arrays

Very High frequency

Medium

20m

Search Element in Rotated Sorted Array· Binary Search

Binary Search · Arrays

Very High frequency

Medium

25m

Find Minimum in Rotated Sorted Array· Binary Search

Binary Search · Arrays

Very High frequency

Medium

20m

Median of Two Sorted Arrays· Binary Search

Binary Search · Arrays

Very High frequency

Hard

45m

Insert Interval· Greedy Algorithms

Arrays · Greedy · Sorting

Very High frequency

Medium

25m

Jump Game· Greedy Algorithms

Arrays · Greedy · Dynamic Programming

Very High frequency

Medium

25m

LRU Cache· Greedy Algorithms

Linked List · Hashing · Greedy

Very High frequency

Medium

35m

Longest Substring Without Repeating Characters· Sliding Window & Two Pointers

Strings · Sliding Window · Hashing

Very High frequency

Medium

25m

Minimum Window Substring· Sliding Window & Two Pointers

Strings · Sliding Window · Hashing

Very High frequency

Hard

45m

Balanced Parenthesis· Stacks & Queues

Stack · Strings

Very High frequency

Easy

15m

Implement Min Stack· Stacks & Queues

Stack · Design

Very High frequency

Medium

25m

Trapping Rainwater· Stacks & Queues

Arrays · Stack · Two Pointers

Very High frequency

Hard

40m

Largest Rectangle in Histogram· Stacks & Queues

Arrays · Stack · Monotonic Stack

Very High frequency

Hard

40m

Reverse a Linked List· Linked List

Linked List · Recursion

Very High frequency

Easy

15m

Cycle Detection· Linked List

Linked List · Two Pointers

Very High frequency

Easy

15m

Delete Kth Node From End· Linked List

Linked List · Two Pointers

Very High frequency

Medium

25m

Intersection of Two Linked Lists· Linked List

Linked List · Two Pointers · Hashing

Very High frequency

Easy

20m

Add Two Numbers· Linked List

Linked List · Maths · Recursion

Very High frequency

Medium

25m

Reverse Nodes in K-Group· Linked List

Linked List · Recursion

Very High frequency

Hard

40m

Level Order Traversal· Binary Trees

Trees · BFS · Queue

Very High frequency

Medium

20m

Lowest Common Ancestor of a Binary Tree· Binary Trees

Trees · DFS · Recursion

Very High frequency

Medium

25m

Validate a Binary Search Tree· Binary Search Tree

Binary Search Tree · Recursion · DFS

Very High frequency

Medium

20m

Kth Largest Element· Heaps

Heap · Sorting · Arrays

Very High frequency

Medium

20m

Merge K Sorted Linked Lists· Heaps

Heap · Linked List · Sorting

Very High frequency

Hard

35m

Top K Frequent Elements· Heaps

Heap · Hashing · Sorting

Very High frequency

Medium

25m

Number Of Islands· Graphs

Graph · BFS · DFS

Very High frequency

Medium

25m

Word Transformation Sequence· Graphs

Graph · BFS · Hashing

Very High frequency

Hard

40m

Longest Common Subsequence· Dynamic Programming

Dynamic Programming · Strings

Very High frequency

Medium

25m

Edit Distance· Dynamic Programming

Dynamic Programming · Strings

Very High frequency

Hard

35m

Combination Sum II· Recursion

Recursion · Backtracking · Arrays

High frequency

Medium

25m

Word Search in Matrix· Recursion

Recursion · Backtracking · Arrays

High frequency

Medium

35m

String Segmentation· Recursion

Recursion · Backtracking · Dynamic Programming

High frequency

Medium

30m

Count Subarrays with Target Sum· Hashing

Arrays · Hashing · Prefix Sum

High frequency

Medium

25m

Remove Duplicates from Sorted Array· Arrays

Arrays · Two Pointers

High frequency

Easy

15m

Move Zeros to the End of an Array· Arrays

Arrays · Two Pointers

High frequency

Easy

15m

Maximum Subarray Product· Arrays

Arrays · Dynamic Programming

High frequency

Medium

25m

Zero Fill Matrix· Arrays

Arrays · Matrix

High frequency

Medium

25m

Pascal's Triangle· Arrays

Arrays · Maths · Dynamic Programming

High frequency

Easy

20m

Majority Element II· Arrays

Arrays · Hashing

High frequency

Medium

25m

Four Sum· Arrays

Arrays · Two Pointers · Sorting

High frequency

Medium

30m

Search Insert Position· Binary Search

Binary Search · Arrays

High frequency

Easy

15m

Find Peak Element· Binary Search

Binary Search · Arrays

High frequency

Medium

25m

Search in a 2D Sorted Matrix· Binary Search

Binary Search · Arrays · Matrix

High frequency

Medium

20m

Conference Room Booking· Greedy Algorithms

Greedy · Sorting · Heap

High frequency

Medium

25m

Non Overlapping Intervals· Greedy Algorithms

Arrays · Greedy · Sorting

High frequency

Medium

25m

Jump Game-II· Greedy Algorithms

Arrays · Greedy · Dynamic Programming

High frequency

Medium

25m

Max Consecutive Ones III· Sliding Window & Two Pointers

Arrays · Sliding Window

High frequency

Medium

25m

Longest Repeating Character Replacement· Sliding Window & Two Pointers

Strings · Sliding Window · Hashing

High frequency

Medium

25m

Longest Substring with At Most K Distinct Chars· Sliding Window & Two Pointers

Strings · Sliding Window · Hashing

High frequency

Medium

30m

Asteroid Collision· Stacks & Queues

Arrays · Stack

High frequency

Medium

25m

Find Start Node of a Cycle· Linked List

Linked List · Two Pointers

High frequency

Medium

20m

Palindrome Linked List· Linked List

Linked List · Two Pointers · Recursion

High frequency

Easy

20m

Clone Smart Device Chain with Random Pointer· Linked List

Linked List · Hashing · Recursion

High frequency

Hard

40m

Tasks Scheduling· Heaps

Heap · Greedy · Hashing

High frequency

Medium

30m

Median Tracker In Data Stream· Heaps

Heap · Sorting

High frequency

Hard

35m

Alien Dictionary Sort· Graphs

Graph · Topological Sort · Strings

High frequency

Hard

35m

WildCard Matching· Dynamic Programming

Dynamic Programming · Strings

High frequency

Hard

35m