Dashboard Questions Topics Companies Sheets

Facebook Interview Questions

524 coding problems asked in Facebook interviews. Prepare for your technical interview with real questions.

524

Problems

139

Easy

302

Medium

Hard

Difficulty

All524 Easy139 Medium302 Hard83

Title	Solve	Difficulty	Companies	Topics
689. Maximum Sum of 3 Non-Overlapping Subarrays	Solve	Hard	Facebook	Array Dynamic Programming
691. Stickers to Spell Word	Solve	Hard	Facebook	Array Backtracking+4
692. Top K Frequent Words	Solve	Medium	Amazon+8	Bucket Sort Counting+5
695. Max Area of Island	Solve	Medium	Amazon+8	Array Breadth-First Search+3
703. Kth Largest Element in a Stream	Solve	Easy	Adobe+4	Binary Search Tree Binary Tree+4
704. Binary Search	Solve	Easy	Adobe+8	Array Binary Search
708. Insert into a Sorted Circular Linked List	Solve	Medium	Facebook+2	Linked List
711. Number of Distinct Islands II	Solve	Hard	Amazon+1	Breadth-First Search Depth-First Search+3
713. Subarray Product Less Than K	Solve	Medium	Amazon+2	Array Binary Search+2
714. Best Time to Buy and Sell Stock with Transaction Fee	Solve	Medium	Adobe+4	Array Dynamic Programming+1
715. Range Module	Solve	Hard	Amazon+6	Design Ordered Set+1
716. Max Stack	Solve	Hard	Amazon+6	Design Doubly-Linked List+3
719. Find K-th Smallest Pair Distance	Solve	Hard	Facebook	Array Binary Search+2
721. Accounts Merge	Solve	Medium	Amazon+6	Array Breadth-First Search+5
723. Candy Crush	Solve	Medium	Bloomberg+3	Array Matrix+2
724. Find Pivot Index	Solve	Easy	Adobe+8	Array Prefix Sum
733. Flood Fill	Solve	Easy	Adobe+8	Array Breadth-First Search+2
734. Sentence Similarity	Solve	Easy	Facebook+1	Array Hash Table+1
735. Asteroid Collision	Solve	Medium	Amazon+15	Array Simulation+1
739. Daily Temperatures	Solve	Medium	Amazon+7	Array Monotonic Stack+1
742. Closest Leaf in a Binary Tree	Solve	Medium	Facebook	Binary Tree Breadth-First Search+2
745. Prefix and Suffix Search	Solve	Hard	Facebook+2	Array Design+3
746. Min Cost Climbing Stairs	Solve	Easy	Adobe+9	Array Dynamic Programming
750. Number Of Corner Rectangles	Solve	Medium	Facebook	Array Dynamic Programming+2
766. Toeplitz Matrix	Solve	Easy	Bloomberg+1	Array Matrix
767. Reorganize String	Solve	Medium	Adobe+17	Counting Greedy+4
772. Basic Calculator III	Solve	Hard	Amazon+12	Math Recursion+2
778. Swim in Rising Water	Solve	Hard	Amazon+6	Array Binary Search+5
779. K-th Symbol in Grammar	Solve	Medium	Adobe+3	Bit Manipulation Math+1
785. Is Graph Bipartite?	Solve	Medium	Bunzo+10	Breadth-First Search Depth-First Search+2
787. Cheapest Flights Within K Stops	Solve	Medium	Airbnb+15	Breadth-First Search Depth-First Search+4
788. Rotated Digits	Solve	Medium	Facebook+1	Dynamic Programming Math
791. Custom Sort String	Solve	Medium	Facebook+1	Hash Table Sorting+1
797. All Paths From Source to Target	Solve	Medium	Adobe+7	Backtracking Breadth-First Search+2
801. Minimum Swaps To Make Sequences Increasing	Solve	Hard	Amazon+1	Array Dynamic Programming
809. Expressive Words	Solve	Medium	Cisco+2	Array String+1
814. Binary Tree Pruning	Solve	Medium	Apple+1	Binary Tree Depth-First Search+1
824. Goat Latin	Solve	Easy	Facebook	String
825. Friends Of Appropriate Ages	Solve	Medium	Facebook	Array Binary Search+2
827. Making A Large Island	Solve	Hard	Adobe+10	Array Breadth-First Search+3
836. Rectangle Overlap	Solve	Easy	Docusign+2	Geometry Math
844. Backspace String Compare	Solve	Easy	Amazon+12	Simulation Stack+2
852. Peak Index in a Mountain Array	Solve	Medium	Accolite+22	Array Binary Search
856. Score of Parentheses	Solve	Medium	Amazon+4	Stack String
859. Buddy Strings	Solve	Easy	DoorDash+4	Hash Table String
863. All Nodes Distance K in Binary Tree	Solve	Medium	Amazon+18	Binary Tree Breadth-First Search+3
865. Smallest Subtree with all the Deepest Nodes	Solve	Medium	Amazon+2	Binary Tree Breadth-First Search+3
870. Advantage Shuffle	Solve	Medium	Facebook	Array Greedy+2
875. Koko Eating Bananas	Solve	Medium	Airbnb+4	Array Binary Search
876. Middle of the Linked List	Solve	Easy	Adobe+6	Linked List Two Pointers