Dashboard Questions Topics Companies Sheets

Amazon Interview Questions

1,113 coding problems asked in Amazon interviews. Prepare for your technical interview with real questions.

1,113

Problems

267

Easy

645

Medium

201

Hard

Difficulty

All1113 Easy267 Medium645 Hard201

Title	Solve	Difficulty	Companies	Topics
849. Maximize Distance to Closest Person	Solve	Medium	Amazon+3	Array
851. Loud and Rich	Solve	Medium	Amazon+2	Array Depth-First Search+2
852. Peak Index in a Mountain Array	Solve	Medium	Accolite+22	Array Binary Search
853. Car Fleet	Solve	Medium	Amazon+5	Array Monotonic Stack+2
856. Score of Parentheses	Solve	Medium	Amazon+4	Stack String
857. Minimum Cost to Hire K Workers	Solve	Hard	Amazon+2	Array Greedy+2
860. Lemonade Change	Solve	Easy	Amazon+2	Array Greedy
861. Score After Flipping Matrix	Solve	Medium	Amazon+1	Array Bit Manipulation+2
862. Shortest Subarray with Sum at Least K	Solve	Hard	Adobe+3	Array Binary Search+5
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
867. Transpose Matrix	Solve	Easy	Amazon+3	Array Matrix+1
869. Reordered Power of 2	Solve	Medium	Adobe+4	Counting Enumeration+3
871. Minimum Number of Refueling Stops	Solve	Hard	Amazon+9	Array Dynamic Programming+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
877. Stone Game	Solve	Medium	Amazon	Array Dynamic Programming+2
879. Profitable Schemes	Solve	Hard	Amazon+1	Array Dynamic Programming
880. Decoded String at Index	Solve	Medium	Adobe+4	Stack String
881. Boats to Save People	Solve	Medium	Amazon+6	Array Greedy+2
886. Possible Bipartition	Solve	Medium	Amazon+7	Breadth-First Search Depth-First Search+2
887. Super Egg Drop	Solve	Hard	Amazon+3	Binary Search Dynamic Programming+1
888. Fair Candy Swap	Solve	Easy	Amazon+1	Array Binary Search+2
889. Construct Binary Tree from Preorder and Postorder Traversal	Solve	Medium	Amazon+1	Array Binary Tree+3
892. Surface Area of 3D Shapes	Solve	Easy	Amazon	Array Geometry+2
894. All Possible Full Binary Trees	Solve	Medium	Adobe+6	Binary Tree Dynamic Programming+3
895. Maximum Frequency Stack	Solve	Hard	Adobe+7	Design Hash Table+2
896. Monotonic Array	Solve	Easy	Amazon+3	Array
899. Orderly Queue	Solve	Hard	Amazon	Math Sorting+1
901. Online Stock Span	Solve	Medium	Adobe+2	Data Stream Design+2
902. Numbers At Most N Given Digit Set	Solve	Hard	Amazon+1	Array Binary Search+3
903. Valid Permutations for DI Sequence	Solve	Hard	Amazon+1	Dynamic Programming Prefix Sum+1
904. Fruit Into Baskets	Solve	Medium	Amazon	Array Hash Table+1
905. Sort Array By Parity	Solve	Easy	Amazon+11	Array Sorting+1
907. Sum of Subarray Minimums	Solve	Medium	Amazon+8	Array Dynamic Programming+2
909. Snakes and Ladders	Solve	Medium	Adobe+6	Array Breadth-First Search+1
910. Smallest Range II	Solve	Medium	Adobe+3	Array Greedy+2
912. Sort an Array	Solve	Medium	Amazon+1	Array Bucket Sort+6
915. Partition Array into Disjoint Intervals	Solve	Medium	Amazon+1	Array
917. Reverse Only Letters	Solve	Easy	Amazon	String Two Pointers
918. Maximum Sum Circular Subarray	Solve	Medium	Alibaba+4	Array Divide and Conquer+3
920. Number of Music Playlists	Solve	Hard	Amazon+3	Combinatorics Dynamic Programming+1
921. Minimum Add to Make Parentheses Valid	Solve	Medium	Amazon+3	Greedy Stack+1
923. 3Sum With Multiplicity	Solve	Medium	Adobe+1	Array Counting+3
926. Flip String to Monotone Increasing	Solve	Medium	Amazon+2	Dynamic Programming String
930. Binary Subarrays With Sum	Solve	Medium	Amazon+4	Array Hash Table+2
935. Knight Dialer	Solve	Medium	Amazon+5	Dynamic Programming
937. Reorder Data in Log Files	Solve	Medium	Amazon+1	Array Sorting+1
938. Range Sum of BST	Solve	Easy	Amazon+3	Binary Search Tree Binary Tree+2
941. Valid Mountain Array	Solve	Easy	Amazon	Array