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Practice recent Amazon coding and OA questions.

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Real Amazon Interview Problems

433

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ProblemRoundTopicsLast reportedFrequency
Resolve Task DependenciesSeen this week
Hard
Onsite
Graph / Topological Sort / Heap
Today
Jul 2026
Common
Shortest Distance on a Circular Bus RouteSeen this week
Easy
OA
Array / Prefix Sum
1d ago
Jul 2026
Common
Longest Increasing Subsequence With Bounded Adjacent DifferenceSeen this week
Hard
Onsite
Array / Dynamic Programming / Segment Tree
2d ago
Jul 2026
Common
Search in a Rotated Sorted ArraySeen this week
Medium
Onsite
Array / Binary Search
2d ago
Jul 2026
Common
Sliding Window MaximumSeen this week
Hard
Onsite
Array / Sliding Window / Queue
3d ago
Jul 2026
Common
Merge IntervalsSeen this week
Easy
OA
Intervals / Sorting
4d ago
Jul 2026
Very common
Sort Bug Report FrequenciesSeen this week
Easy
OA
Array / Hash Table / Sorting
4d ago
Jul 2026
Very common
Drone Delivery RouteSeen this week
Medium
OA
Array / Prefix Sum / Math
5d ago
Jul 2026
Very common
First Valid Word SegmentationSeen this week
Medium
Onsite
String / Dynamic Programming / Backtracking
5d ago
Jul 2026
Common
Nearby Fulfillment Centers with InventorySeen this week
Medium
Onsite
Graph / Breadth-First Search / Shortest Path
5d ago
Jul 2026
Common
Maximum System Memory CapacitySeen this week
Easy
OA
Sorting / Greedy
6d ago
Jul 2026
Very common
Select Least Resource TasksSeen this week
Unknown
OA
General
6d ago
Jul 2026
Very common
Package Delivery SystemSeen this week
Medium
OA
Greedy / Sorting / Heap
6d ago
Jul 2026
Common
Secure Maximum DeliveriesSeen this week
Hard
OA
Array / Greedy / Dynamic Programming
6d ago
Jul 2026
Common
Find Median from Data StreamSeen this week
Hard
Onsite
Design / Heap / Sorting
6d ago
Jul 2026
Common
Handwritten SigmoidSeen this week
Easy
Phone
Math
6d ago
Jul 2026
Common
Handwritten SoftmaxSeen this week
Medium
Phone
Array / Math
6d ago
Jul 2026
Common
Koko Eating BananasSeen this week
Medium
Onsite
Array / Binary Search / Math
6d ago
Jul 2026
Common
Loyal Customers Across Two DaysSeen this week
Easy
Onsite
Hash Table / Sorting
6d ago
Jul 2026
Common
Scaled Dot-Product AttentionSeen this week
Hard
Phone
Array / Math / Matrix / Simulation
6d ago
Jul 2026
Common
Smallest Number With a Given Digit SumSeen this week
Medium
Onsite
Greedy / Math / String
6d ago
Jul 2026
Common
Sort an Array with Rotate and FlipSeen this week
Medium
OA
Array / Math / Simulation
6d ago
Jul 2026
Common
Find Maximum Total Amount (SDE I, Fungible :)Seen this week
Medium
OA
Prefix Sum / Sliding Window
7d ago
Jul 2026
Very common
Minimum Circular Redistribution CostSeen this week
Hard
OA
Array / Prefix Sum / Greedy
7d ago
Jul 2026
Very common
Basic CalculatorSeen this week
Hard
Onsite
String / Stack / Recursion
7d ago
Jul 2026
Common
Distance Between Two Tree NodesSeen this week
Medium
Onsite
Tree / Breadth-First Search / Graph
7d ago
Jul 2026
Common
Minimum Grid Inconvenience
Hard
OA
Matrix / Breadth-First Search / Binary Search
11d ago
Jul 2026
Common
Customer Package Delivery Report
Easy
OA
Database
11d ago
Jul 2026
Common
Minimum Merge Conflicts
Hard
OA
Dynamic Programming / String
16d ago
Jul 2026
Very common
Minimum Total Batch Expense
Medium
OA
Array / Math / Greedy
16d ago
Jul 2026
Very common
Currency Conversion Rate
Medium
Phone
Graph / Breadth-First Search / Hash Table
17d ago
Jul 2026
Common
Number of Islands II
Hard
Onsite
Array / Matrix / Graph / Union Find
17d ago
Jul 2026
Common
Create Array Generator Service
Medium
OA
Greedy / Heap
18d ago
Jul 2026
Very common
Minimum Operations to Make the Integer Zero
Medium
OA
Array / Greedy
18d ago
Jul 2026
Very common
Course Schedule
Medium
Onsite
Graph / Depth-First Search / Breadth-First Search / Topological Sort
19d ago
Jul 2026
Common
Maximum Length-K Window Sum over Sparse Segments
Hard
OA
Array / Sliding Window / Prefix Sum / Intervals
19d ago
Jul 2026
Common
Maximum Sum of Heights
Hard
Onsite
Array / Stack / Dynamic Programming
19d ago
Jul 2026
Common
Meeting Rooms II
Medium
Onsite
Array / Sorting / Two Pointers / Heap / Intervals
20d ago
Jul 2026
Common
Merge Sorted Array
Easy
Onsite
Array / Two Pointers / Sorting
20d ago
Jul 2026
Common
Longest Palindromic Subsequence
Medium
Onsite
String / Dynamic Programming
21d ago
Jul 2026
Common
Group Anagrams
Medium
Onsite
String / Array / Hash Table / Sorting
22d ago
Jul 2026
Common
Closest Version Date
Easy
Onsite
Array / String / Binary Search
25d ago
Jul 2026
Common
Maximum Concurrent Processes (Bar Raiser Round)
Medium
Onsite
Intervals / Sorting
25d ago
Jul 2026
Common
Maximum Product New Rating
Hard
OA
Array / Bit Manipulation / Greedy / Binary Search
25d ago
Jul 2026
Common
Permutation Sorter
Medium
OA
Array / Math / Greedy
25d ago
Jul 2026
Common
Get Distinct Pairs (Also apply to AS intern)
Easy
OA
Hash Table / Two Pointers
26d ago
Jul 2026
Very common
Maximum Final Value
Easy
OA
Greedy / Sorting
26d ago
Jul 2026
Very common
Package Dependency Order
Medium
Onsite
Graph / Depth-First Search / Topological Sort
26d ago
Jul 2026
Common
Minimum Redistribution Cost
Medium
OA
Array / Prefix Sum / Greedy
27d ago
Jun 2026
Very common
Maximal Square
Medium
Onsite
Array / Matrix / Dynamic Programming
27d ago
Jun 2026
Common
Minimum Delivery Center Inconvenience
Medium
OA
Matrix / Binary Search / Breadth-First Search
29d ago
Jun 2026
Very common
Unfulfilled Customers by Inventory Priority
Medium
OA
Array / Sorting / Simulation
29d ago
Jun 2026
Very common
Inventory Allocation
Medium
OA
Simulation / Sorting / Heap
29d ago
Jun 2026
Common
Domain Weight Calculation
Medium
Onsite
String / Hash Table / Trie / Depth-First Search
1mo ago
Jun 2026
Common
Number of Atoms
Hard
Onsite
String / Stack / Hash Table / Parsing / Sorting
1mo ago
Jun 2026
Common
Get Minimum Amount
Unknown
OA
General
1mo ago
Jun 2026
Common
Get Max Servers
Medium
OA
Array / Sorting / Greedy
1mo ago
Jun 2026
Very common
Minimum Operations to Make Array Valid
Medium
OA
Array / Greedy / Hash Table
1mo ago
Jun 2026
Common
Minimum Contiguous Replacements
Medium
OA
Array / Hash Table / Union Find
1mo ago
Jun 2026
Common
Maximum Equal Parts for Prefixes
Medium
OA
String / Array / Hash Table / Math
1mo ago
Jun 2026
Common
Count Promotional Periods
Unknown
OA
General
1mo ago
Jun 2026
Common
Get Smallest Base Segment
Unknown
OA
General
1mo ago
Jun 2026
Common
Maximum Non-Adjacent House Value
Medium
Onsite
Array / Dynamic Programming
1mo ago
Jun 2026
Common
Minimum Execution Time
Medium
OA
Binary Search / Greedy / Sorting / Array
1mo ago
Jun 2026
Common
Running Delivery Time Medians
Medium
Onsite
Heap / Design
1mo ago
Jun 2026
Common
Count Distinct Domino Colorings
Medium
OA
String / Graph / Dynamic Programming / Combinatorics
1mo ago
May 2026
Common
Lowest Common Ancestor Implemented with Stack
Medium
Onsite
Tree / Stack / Hash Table
1mo ago
May 2026
Common
Product Category Group Sizes
Easy
Phone
Union Find / Sorting
2mo ago
May 2026
Common
Count Connected Components
Easy
Phone
Graph / Union Find / Depth-First Search
2mo ago
May 2026
Common
Circular Route Query Distance
Easy
OA
Array / Prefix Sum
2mo ago
May 2026
Common
Tree Node Relationship
Easy
Phone
Tree / Breadth-First Search
2mo ago
May 2026
Common
Unique Pairs With Target Sum
Easy
Phone
Array / Hash Table / Two Pointers
2mo ago
May 2026
Common
Feasible Indices After Prefix/Suffix Reduction
Medium
OA
Array / Greedy
2mo ago
Apr 2026
Common
Feasible Indices After Reduction
Unknown
OA
General
2mo ago
Apr 2026
Common
Count Similar String Groups
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Make Power Non-decreasing
Medium
OA
Array / Greedy
3mo ago
Apr 2026
Very common
Stable Robot Configurations
Medium
OA
Array / Sorting / Combinatorics
3mo ago
Apr 2026
Common
Get Minimum Errors
Hard
OA
Dynamic Programming / String / Greedy
3mo ago
Apr 2026
Very common
Maximum Score With Non-Adjacent Values
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Make Value Groups Contiguous
Medium
OA
Array / Hash Table / Greedy
3mo ago
Apr 2026
Common
Dynamic Kth Largest Queries
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Longest Zero Sum Subarray
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Maximize Minimum Machine Power
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Minimum Stick Connection Cost
Unknown
Onsite
General
3mo ago
Apr 2026
Common
Maximize Protected City Population
Medium
OA
Array / Greedy / Dynamic Programming
3mo ago
Apr 2026
Common
Minimum Cost to Convert Products to Variant A
Medium
OA
Array / Sliding Window / Greedy
3mo ago
Apr 2026
Common
Minimum Preparation Time for Two Handlers
Medium
OA
Dynamic Programming / Array
3mo ago
Apr 2026
Common
Frequently Bought Together
Medium
OA
Array / String / Hash Table / Sorting
3mo ago
Apr 2026
Common
Souvenir Shop Purchases
Medium
OA
Array / Simulation / Binary Search / Math
3mo ago
Apr 2026
Common
Sum Max Plus Min After Decrement Operations
Medium
OA
Heap / Greedy
4mo ago
Mar 2026
Common
Sort Error Codes by Frequency
Easy
OA
Sorting / Hash Table
4mo ago
Mar 2026
Common
Best Way to Pack
Hard
OA
String / Greedy
4mo ago
Mar 2026
Very common
Minimum Emergency Deliveries
Medium
OA
Array / Greedy / Prefix Sum
4mo ago
Mar 2026
Common
Optimize Box IDs
Hard
OA
Stack / Greedy / String
4mo ago
Mar 2026
Common
Most Common Product Pair
Easy
OA
Hash Table / Sorting
4mo ago
Mar 2026
Common
Warehouse Robots with Threshold
Medium
OA
Array / Sorting / Greedy
4mo ago
Mar 2026
Common
Lexicographically Smallest After One Substring Rotation
Unknown
OA
General
5mo ago
Feb 2026
Common
Productive Worker Teams
Medium
OA
Array / Combinatorics
5mo ago
Feb 2026
Common
Minimum Operations to Sort a Permutation
Unknown
OA
General
5mo ago
Jan 2026
Common
Find Minimum Groups
Medium
OA
Array / Hash Table / Greedy
6mo ago
Jan 2026
Common
Service Pipeline Stabilization Time
Medium
OA
String / Stack / Simulation
6mo ago
Jan 2026
Common
Lexicographically Maximum Final Sequence
Unknown
OA
General
6mo ago
Jan 2026
Common
VM Rental Revenue
Medium
OA
Heap / Greedy
6mo ago
Jan 2026
Common
Longest Arithmetic Subarray After One Change
Unknown
OA
General
6mo ago
Jan 2026
Common
Replace Values and Return Sums
Unknown
OA
General
6mo ago
Jan 2026
Common
Minimum S3 Storage Cost
Unknown
OA
General
7mo ago
Dec 2025
Common
Maximize Machine Strength Sum
Hard
OA
Greedy / Sorting
9mo ago
Oct 2025
Common
Count Picked Items Less Than Queries
Unknown
OA
General
11mo ago
Aug 2025
Common
Fair Prize Distribution
Unknown
OA
General
11mo ago
Aug 2025
Common
Largest Number With Digit Sum
Unknown
OA
General
11mo ago
Aug 2025
Common
Minimize Binary Subsequence Cost
Unknown
OA
General
11mo ago
Aug 2025
Common
Min Operations to Adjust Prices
Medium
OA
Array / Sorting / Greedy
1y ago
Jul 2025
Common
Min Time After Which the Password Becomes Irrecoverable
Hard
OA
Binary Search / Math
1y ago
Jul 2025
Very common
Get Trucks for Items ๐Ÿฅฅ
Medium
OA
Sorting / Binary Search
1y ago
Jul 2025
Common
Maximize Pages Before Suspension
Hard
OA
Greedy / Sorting / Simulation
1y ago
Jul 2025
Common
Get Maximum Sum
Medium
OA
Matrix / Sorting / Greedy / Heap
1y ago
Jul 2025
Very common
Segmentify: Minimum Subsegments
Hard
OA
Dynamic Programming / Greedy / String
1y ago
Jul 2025
Very common
Find Hash
Medium
OA
Array / Math
1y ago
Jul 2025
Very common
Minimum Connected Delivery Zones After Adding One Interval
Hard
OA
Intervals / Greedy / Sorting
1y ago
Jul 2025
Very common
Predict Answer
Medium
OA
Array / Binary Search / Sorting / Stack
1y ago
Jul 2025
Common
Buy Volumes (Order Books :)
Medium
OA
Array / Union Find
1y ago
Jul 2025
Very common
Get Min Cost
Medium
OA
Dynamic Programming / Two Pointers
1y ago
Jul 2025
Common
Count Possible Winners (All About Rewards :)
Medium
OA
Array / Sorting
1y ago
Jun 2025
Very common
Get Special String
Hard
OA
String / Greedy
1y ago
Jun 2025
Very common
Minimize Variation
Medium
OA
Array / Sorting / Greedy
1y ago
Jun 2025
Very common
Min Operation
Easy
OA
Array / Greedy / Hash Table
1y ago
Jun 2025
Very common
Determine the Best Skipping Strategy
Hard
OA
Dynamic Programming / Greedy
1y ago
Jun 2025
Common
Minimum Total Packaging Effort
Hard
OA
Array / Sorting / Greedy
1y ago
Jun 2025
Common
Find Security Level
Hard
OA
Array / Prefix Sum / Hash Table
1y ago
Jun 2025
Common
Find Least Possible Vulnerability
Hard
OA
Array / Binary Search / Sliding Window / Math
1y ago
Jun 2025
Very common
Bring Servers Down
Hard
OA
Greedy / Math / Simulation
1y ago
Jun 2025
Very common
Count Special Strings
Medium
OA
String / Prefix Sum / Hash Table
1y ago
Jun 2025
Common
Find Minimum Days
Hard
OA
Binary Search / Sliding Window
1y ago
Jun 2025
Very common
Min Cost to Remove Subsequence
Hard
OA
Dynamic Programming / String
1y ago
Jun 2025
Very common
Minimal Cost to Increase Package Size
Medium
OA
Greedy / Sorting
1y ago
Jun 2025
Common
Find Minimum Machines Size
Medium
OA
Array / Greedy
1y ago
May 2025
Common
Compute Lowest Linking (Connection) Expense
Hard
OA
Prefix Sum / Binary Search
1y ago
May 2025
Very common
All About Medians
Easy
OA
Array / Sorting
1y ago
May 2025
Very common
Minimize Array Sum Difference
Medium
OA
Array / Greedy
1y ago
May 2025
Common
Server Selection
Hard
OA
Greedy / Sorting / Hash Table
1y ago
May 2025
Common
Split Prefix Suffix
Medium
OA
String / Prefix Sum / Hash Table
1y ago
May 2025
Common
Get Maximum Count
Hard
OA
Array / Hash Table / Sliding Window
1y ago
May 2025
Common
Find Minimum Replacements
Hard
OA
Array / Greedy
1y ago
May 2025
Very common
Find Maximum Number of Subjects Passed (AS Intern, but it may apply to other interns) ๐Ÿ‹
Easy
OA
Array / Greedy / Sorting
1y ago
May 2025
Very common
Find Idle Skills Query
Medium
OA
Hash Table / Binary Search
1y ago
May 2025
Common
Minimum Retailers
Hard
OA
Intervals / Sorting / Greedy
1y ago
May 2025
Common
Get Total Requests
Easy
OA
Array / Hash Table / Simulation
1y ago
May 2025
Very common
Find Maximum Score
Hard
OA
String / Dynamic Programming
1y ago
Apr 2025
Common
Count Special Substrings in a DNA Sequence
Medium
OA
String / Two Pointers
1y ago
Apr 2025
Common
Lexicographically Maximal Resulting Array
Medium
OA
Array / Greedy
1y ago
Apr 2025
Common
Get Minimum Dock Bays
Medium
OA
Array / Binary Search / Heap
1y ago
Apr 2025
Common
Cinema Shows
Medium
OA
Dynamic Programming / Binary Search / Intervals
1y ago
Apr 2025
Very common
Count Processes Giving Inaccurate Results
Medium
OA
Array / Hash Table
1y ago
Apr 2025
Very common
Get Max Increments
Easy
OA
Array / Sorting / Greedy
1y ago
Apr 2025
Very common
Minimum Cost to Purchase Servers
Medium
OA
Greedy / Sorting
1y ago
Apr 2025
Common
Next Greater Perfect String
Hard
OA
String / Greedy
1y ago
Apr 2025
Common
Use Minimum Tokens
Hard
OA
Sorting / Prefix Sum / Binary Search
1y ago
Apr 2025
Common
Get Minimum Number of Unique Distribution Centers
Easy
OA
Array / Greedy
1y ago
Apr 2025
Common
Get Largest Number
Medium
OA
Dynamic Programming / Array
1y ago
Apr 2025
Very common
Minimum Operations to Remove Characters in Frequency Order (Find Min Deletions :)
Hard
OA
String / Dynamic Programming
1y ago
Apr 2025
Common
Maximize Memory Points (India Intern :)
Medium
OA
Greedy / Sorting / Prefix Sum
1y ago
Apr 2025
Very common
Min Operations to Sort All Packages
Easy
OA
Array / Simulation
1y ago
Apr 2025
Very common
Count Failed Executions
Medium
OA
Array / Hash Table
1y ago
Apr 2025
Common
Count Ways to Select Fleet
Easy
OA
Math
1y ago
Apr 2025
Common
Optimal Utilization
Medium
OA
Two Pointers / Sorting
1y ago
Apr 2025
Common
Find Network Calls (Also For Amazon UK :)
Medium
OA
Array / Sorting / Prefix Sum
1y ago
Mar 2025
Very common
Get Maximum Stability
Medium
OA
Sorting / Greedy
1y ago
Mar 2025
Very common
Find First Index Where Prefix Sum Becomes Non-Positive
Easy
OA
Array / Prefix Sum
1y ago
Mar 2025
Very common
Convert to Good String
Medium
OA
Dynamic Programming / String
1y ago
Mar 2025
Common
Inventory Processes Survival Possibility
Medium
OA
Greedy / Math
1y ago
Mar 2025
Very common
Find Min Max Difference
Hard
OA
Sorting / Greedy
1y ago
Mar 2025
Common
Max Sum of Non-Overlapping Intervals
Medium
OA
Intervals / Dynamic Programming / Sorting
1y ago
Mar 2025
Common
Process Queries on Cart
Easy
OA
Linked List / Hash Table / Simulation
1y ago
Mar 2025
Very common
Make Array Distinct (Selling Shoes ๐Ÿฉฐ)
Medium
OA
Array / Sorting / Greedy
1y ago
Mar 2025
Common
Get Minimal Cost
Medium
OA
Array / Sorting / Greedy
1y ago
Mar 2025
Common
Compute Least Truck Count
Medium
OA
Array / Math / Greedy
1y ago
Mar 2025
Very common
Ensure Non-Zero Load Sum
Hard
OA
Prefix Sum / Hash Table / Greedy
1y ago
Mar 2025
Common
Number of Well Performing Groups
Medium
OA
Array / Sliding Window
1y ago
Mar 2025
Common
Trader Joe Trades
Hard
OA
Dynamic Programming / Greedy
1y ago
Mar 2025
Common
Transform to Encrypted Number
Easy
OA
Array / Simulation
1y ago
Mar 2025
Very common
Calculate the Max Value
Medium
OA
Matrix / Dynamic Programming / Greedy
1y ago
Mar 2025
Very common
Maximum Number of Balanced Shipments
Medium
OA
Greedy / Array
1y ago
Mar 2025
Very common
Similar Text Substring Count
Easy
OA
String / Sliding Window
1y ago
Mar 2025
Very common
Find Maximum Number of Balanced Combinations
Medium
OA
Array / Combinatorics / Math
1y ago
Mar 2025
Common
Find Password Strength
Medium
OA
String / Greedy
1y ago
Mar 2025
Common
Find Password Strength
Medium
OA
String / Hash Table
1y ago
Mar 2025
Very common
Max Batches For Shipment
Medium
OA
Greedy / Sorting
1y ago
Mar 2025
Common
Sum After Query Update
Easy
OA
Array / Hash Table
1y ago
Mar 2025
Common
Compute Remaining Tasks
Medium
OA
Array / Prefix Sum / Binary Search
1y ago
Mar 2025
Very common
Find Ideal Days
Medium
OA
Array / Sliding Window
1y ago
Mar 2025
Common
Find Optimal Level
Hard
OA
Array / Binary Search / Greedy
1y ago
Mar 2025
Common
Minimize Maximum Parcels
Medium
OA
Array / Binary Search / Greedy
1y ago
Mar 2025
Very common
Find Capable Winners
Hard
OA
Sorting / Greedy / Array
1y ago
Mar 2025
Very common
Compute Maximum Scheduled Tasks
Medium
OA
Greedy / Sorting / Two Pointers
1y ago
Feb 2025
Common
Count Idle Warehouse Robots
Easy
OA
Hash Table / Array
1y ago
Feb 2025
Very common
Let's Play Crush Fruit Together :)
Easy
OA
Math / Hash Table
1y ago
Feb 2025
Very common
Maximum Domino Removals
Hard
OA
Binary Search / Dynamic Programming
1y ago
Feb 2025
Common
Find the Longest Isolated Substring Length
Medium
OA
String / Hash Table
1y ago
Feb 2025
Very common
Maximize Total Memory Points
Medium
OA
Greedy / Sorting
1y ago
Feb 2025
Very common
Compute Minimum Total Distance
Medium
OA
Array / Sorting / Dynamic Programming
1y ago
Feb 2025
Very common
Looking for a Matching Score
Hard
OA
String / Hash Table / Sliding Window
1y ago
Feb 2025
Very common
Warehouse Allocation (Distribute)
Easy
OA
Array / Math / Greedy
1y ago
Feb 2025
Very common
Compute Maximum Earning Points
Medium
OA
Greedy / Sorting
1y ago
Feb 2025
Common
Get Most Out of the Data
Medium
OA
Array / Greedy / Sorting
1y ago
Feb 2025
Common
Minimum Steps to Reduce Array Elements to 0
Medium
OA
Array / Greedy
1y ago
Feb 2025
Common
Find First Unique ๐Ÿ‰
Easy
OA
String / Hash Table
1y ago
Feb 2025
Common
Minimum Days to Deliver Parcels
Easy
OA
Array / Math
1y ago
Feb 2025
Common
Group Students (AS Intern, it may apply to other interns) ๐Ÿ‘
Easy
OA
Sorting / Greedy
1y ago
Feb 2025
Very common
Maximum Score in Balanced String ๐Ÿ‡
Medium
OA
String / Stack
1y ago
Feb 2025
Common
Get Minimum Value
Easy
OA
Array / Greedy
1y ago
Feb 2025
Very common
Get Maximum
Medium
OA
Dynamic Programming / Array
1y ago
Feb 2025
Common
Sum of Max of Subarrays
Hard
OA
Array / Stack
1y ago
Feb 2025
Common
Count Secured Strings
Hard
OA
Dynamic Programming / String
1y ago
Feb 2025
Very common
Compute Relative Player Ratings
Medium
OA
Sorting / Heap
1y ago
Feb 2025
Very common
Increase Solar-Powered Bulbs to the Maximum
Easy
OA
Array / Greedy
1y ago
Feb 2025
Very common
Get Maximum Events
Hard
OA
Dynamic Programming / Sorting / Greedy
1y ago
Feb 2025
Common
Find Minimum Time
Medium
OA
Array / Sorting / Greedy
1y ago
Feb 2025
Very common
Get Server ID
Medium
OA
Segment Tree / Array
1y ago
Jan 2025
Very common
Match Strings (Amazon CN) ๐ŸŒ
Easy
OA
String / Two Pointers
1y ago
Jan 2025
Common
Get Stable Periods Count (Fungible :)
Medium
OA
Sliding Window / Hash Table
1y ago
Jan 2025
Very common
Equal Products
Medium
OA
String / Hash Table / Union Find
1y ago
Jan 2025
Common
Get Maximum Sum (a.k.a. Find Max Health Sum :P
Easy
OA
Hash Table / Sorting / Greedy
1y ago
Jan 2025
Very common
Maximize Sum of Array Multiplication
Easy
OA
Array / Sorting / Greedy
1y ago
Jan 2025
Common
Get Maximum Greyness ๐Ÿ‡
Easy
OA
Matrix / Prefix Sum
1y ago
Jan 2025
Common
Palindromic Substrings
Easy
OA
String / Dynamic Programming
1y ago
Jan 2025
Common
Get Minimum Boxes
Medium
OA
Array / Sorting / Sliding Window
1y ago
Jan 2025
Very common
Find Sum of Beauties
Medium
OA
Array / Sorting / Binary Search
1y ago
Jan 2025
Common
Get Maximum Information Gain
Easy
OA
String / Hash Table / Sorting
1y ago
Jan 2025
Very common
Find Max To Balance
Hard
OA
String / Stack / Greedy
1y ago
Jan 2025
Common
Find Max Health Sum
Easy
OA
Array / Hash Table / Sorting / Greedy
1y ago
Jan 2025
Common
Minimum Starting Health to Win the Game
Easy
OA
Array / Greedy
1y ago
Jan 2025
Common
Sum of System Vulnerability
Hard
OA
Stack / Array / Math
1y ago
Jan 2025
Common
Get Data Dependence Sum (Fungible :)
Hard
OA
Math
1y ago
Jan 2025
Very common
Get Computational Equivalents
Easy
OA
Sorting / Two Pointers
1y ago
Jan 2025
Common
Get Outlier Value (Amazon London)
Easy
OA
Array / Math / Hash Table
1y ago
Jan 2025
Very common
Amazon Review Score ๐Ÿ…
Medium
OA
String / Sliding Window
1y ago
Jan 2025
Very common
Find Maximum Maxima Count ๐ŸŠ
Medium
OA
String / Hash Table / Prefix Sum
1y ago
Jan 2025
Very common
Max Consecutive ON Servers
Hard
OA
String / Sliding Window
1y ago
Jan 2025
Very common
Calculate Max Salary
Medium
OA
String / Dynamic Programming / Greedy
1y ago
Jan 2025
Common
Get Largest Index Length
Medium
OA
Dynamic Programming / Sorting
1y ago
Jan 2025
Common
Maximize Product of Sizes of Subtrees
Hard
OA
Tree / Dynamic Programming / Greedy
1y ago
Jan 2025
Common
Maximize Repeated Substring Length
Hard
OA
String / Dynamic Programming
1y ago
Jan 2025
Common
Minimum Energy Cost
Medium
OA
Dynamic Programming / Array
1y ago
Jan 2025
Common
Optimal Interval Difference
Medium
OA
Intervals / Sorting
1y ago
Jan 2025
Common
Get Pairs Count ๐Ÿฅ‘
Easy
OA
Array / Two Pointers / Sorting
1y ago
Jan 2025
Very common
Get Max Charge
Hard
OA
Dynamic Programming / Stack
1y ago
Jan 2025
Very common
Get Min Operations
Medium
OA
Sorting / Greedy
1y ago
Jan 2025
Very common
Get Success Value ๐Ÿ… (Fungible :)
Easy
OA
Sorting / Prefix Sum
1y ago
Jan 2025
Very common
Get Final Locations
Easy
OA
Hash Table / Sorting
1y ago
Jan 2025
Common
Get Score Difference ๐ŸŠ
Easy
OA
Array / Sorting / Greedy
1y ago
Jan 2025
Common
Find Overlapping Times
Easy
OA
Intervals / Sorting
1y ago
Dec 2024
Common
Get Maximum Sum Arr (Fungible :)
Hard
OA
Dynamic Programming / Heap / Prefix Sum
1y ago
Dec 2024
Very common
How Many Games Did the First Team Win?
Medium
OA
Sorting / Binary Search
1y ago
Dec 2024
Very common
Minimum Swaps to Make Palindrome
Medium
OA
String / Two Pointers / Greedy
1y ago
Dec 2024
Common
Make Array Zero by Subtracting Equal Amounts (LC 2375 :)
Easy
OA
Array / Hash Table
1y ago
Dec 2024
Common
Get Max Skill Sum
Medium
OA
Prefix Sum / Hash Table
1y ago
Dec 2024
Common
Get Minimum Removal
Easy
OA
Hash Table / Greedy / Sorting
1y ago
Dec 2024
Common
Get Minimum Removals
Easy
OA
Hash Table / Greedy / Sorting
1y ago
Dec 2024
Common
Reduce Gifts
Easy
OA
Array / Sorting / Greedy
1y ago
Dec 2024
Common
Maximize Cluster Power
Easy
OA
Greedy / Sorting
1y ago
Dec 2024
Common
Calculate Maximum Profit
Easy
Phone
Greedy / Sorting
1y ago
Dec 2024
Common
Minimal Unique Segments
Easy
OA
String / Sliding Window / Hash Table
1y ago
Dec 2024
Common
Find Minimum Dist. ๐Ÿ˜‰
Easy
OA
Sorting / Greedy
1y ago
Dec 2024
Common
Max Transfer Rate
Easy
OA
Greedy / Sorting / Math
1y ago
Dec 2024
Common
Get Minimum Changes
Medium
OA
Array / Hash Table
1y ago
Dec 2024
Common
Find Lexicographically Smallest String
Hard
OA
String / Greedy
1y ago
Dec 2024
Common
Perform Queries
Easy
OA
Queue / Simulation
1y ago
Dec 2024
Common
Find Minimum Inefficienty
Medium
OA
Dynamic Programming / String
1y ago
Dec 2024
Common
Count Distinct Categories
Hard
OA
Array / Hash Table
1y ago
Dec 2024
Common
Find Maximum Packages
Medium
OA
Array / Hash Table / Two Pointers
1y ago
Dec 2024
Common
Find Smallest Appealing
Hard
OA
String / Greedy
1y ago
Dec 2024
Common
Equalize The Arrays
Medium
OA
Array / Greedy / Prefix Sum
1y ago
Dec 2024
Common
Sum of All Days Numbers on Which the Data of the Xth Will Be Dependent
Medium
OA
Math
1y ago
Dec 2024
Common
Optimize Identifiers
Medium
OA
String / Two Pointers
1y ago
Nov 2024
Common
Maximum Number of Packages
Medium
OA
Hash Table / Greedy
1y ago
Nov 2024
Common
Find Obfuscate Message
Medium
OA
String / Greedy
1y ago
Nov 2024
Common
Calculate Truck Distance After Refueling
Medium
OA
Array / Prefix Sum
1y ago
Nov 2024
Common
Calculate Efficiency Score
Hard
OA
Dynamic Programming / Stack / Greedy
1y ago
Nov 2024
Common
Determine Minimum Characters to Append
Easy
OA
String / Two Pointers
1y ago
Nov 2024
Common
Minimum Insertions to Make List a Subsequence (Amazon Germany :)
Medium
OA
Dynamic Programming / Array
1y ago
Nov 2024
Common
Sum of Distinct Categories
Hard
OA
Array / Hash Table
1y ago
Nov 2024
Common
Maximize Negative PnL Months
Medium
OA
Greedy / Heap / Prefix Sum
1y ago
Nov 2024
Very common
Find Minimum Time Required (Amazon Bangalore :)
Medium
OA
String / Greedy / Hash Table
1y ago
Nov 2024
Common
Maximum Quality Sum
Hard
OA
Greedy / Sorting / Heap
1y ago
Nov 2024
Common
Reduce Memory Usage
Easy
OA
Array / Prefix Sum / Sliding Window
1y ago
Nov 2024
Common
Find Encrypted Number
Medium
OA
Math / Combinatorics / Dynamic Programming
1y ago
Nov 2024
Common
Get Smaller Items
Hard
OA
Prefix Sum / Binary Search / Sorting
1y ago
Nov 2024
Common
Minimum Rooks in a Peaceful State (SDE 2, Phone Interview)
Medium
Phone
Matrix / Union Find / Graph
1y ago
Nov 2024
Common
Count Dominant Substrings
Medium
OA
String / Sliding Window / Hash Table
1y ago
Nov 2024
Common
Find Dominance
Medium
OA
Trie / String / Hash Table
1y ago
Nov 2024
Common
Get Number of Perfect Packaging
Medium
OA
Dynamic Programming / Combinatorics
1y ago
Nov 2024
Common
Calculate Warehouse Efficiency (Probably for Supply Chain related NG positions --Fungible-- :)
Medium
OA
Array / Greedy / Prefix Sum
1y ago
Nov 2024
Common
Check Similar Passwords (Also for Fungile)
Medium
OA
String / Two Pointers
1y ago
Nov 2024
Common
Get Max Racers ๐Ÿ‰
Medium
OA
Sliding Window / Hash Table
1y ago
Nov 2024
Common
Get Max Discount Pairs
Easy
OA
Array / Hash Table / Math
1y ago
Nov 2024
Common
Calculate Beauty Values
Medium
OA
Array / Sorting / Prefix Sum
1y ago
Nov 2024
Common
Get Minimum Moves to Zero
Medium
Phone
Bit Manipulation / Greedy
1y ago
Nov 2024
Common
Optimized Identifiers
Medium
OA
String / Two Pointers
1y ago
Nov 2024
Common
Find Minimum Possible Variance
Medium
OA
Array / Hash Table
1y ago
Nov 2024
Common
Regulate Temperatures
Hard
OA
Array / Greedy / Math
1y ago
Nov 2024
Common
Maximize Partitions
Medium
OA
Array / Greedy / Bit Manipulation
1y ago
Nov 2024
Common
Find Maximum Money (Fungible SDE 1 :)
Medium
OA
Prefix Sum / Sliding Window
1y ago
Nov 2024
Common
Is Special Sequence
Medium
OA
String / Hash Table
1y ago
Oct 2024
Common
Get Minimum Pen Drive Size
Medium
OA
Binary Search / Greedy / Sorting
1y ago
Oct 2024
Common
Cleanup Dataset
Medium
OA
Greedy / Hash Table
1y ago
Oct 2024
Common
Maximize Total Area of Rectangles (SDE 2)
Medium
OA
Sorting / Greedy / Math
1y ago
Oct 2024
Very common
Get Minimum Watch Score
Medium
OA
Sliding Window / Hash Table
1y ago
Oct 2024
Common
Maximize Similarity
Easy
OA
Array / Greedy / Math
1y ago
Oct 2024
Common
Make All Elements Distinct (Amazon London)
Easy
OA
Array / Hash Table
1y ago
Oct 2024
Common
Maximize Sum of Array
Medium
OA
Array / Greedy / Prefix Sum
1y ago
Oct 2024
Common
Custom Sort String
Easy
OA
Sorting / Hash Table
1y ago
Oct 2024
Common
Minimum Weekly Input (Planning Campaingns :)
Medium
OA
Dynamic Programming / Array
1y ago
Oct 2024
Common
Get Max Programs
Medium
OA
Array / Binary Search / Greedy
1y ago
Oct 2024
Common
Find Maximum Calories
Hard
OA
Array / Math / Greedy
1y ago
Oct 2024
Common
Maximize Secondary Tasks Scheduling
Medium
OA
Greedy / Sorting / Two Pointers
1y ago
Oct 2024
Common
Maximum Number of Days to Survive
Medium
OA
Greedy / Sorting
1y ago
Oct 2024
Common
Get Minimum Time
Medium
OA
Array / Sorting / Greedy
1y ago
Oct 2024
Very common
Find Requests in Queue
Medium
OA
Queue / Simulation
1y ago
Oct 2024
Common
Get Max Alternating Music
Medium
OA
String / Sliding Window
1y ago
Oct 2024
Common
Rate-Limiting Algorithm
Medium
OA
Greedy / Hash Table / String
1y ago
Oct 2024
Common
Number of Suitable Locations
Medium
OA
Sorting / Binary Search / Prefix Sum
1y ago
Oct 2024
Common
Get Minimum Number Of Bulbs Off
Medium
OA
Sorting / Greedy / Prefix Sum
1y ago
Oct 2024
Common
Minimum Storage Capacity
Medium
OA
Array / Binary Search / Greedy / Two Pointers
1y ago
Oct 2024
Common
Can Rearrange Binary String
Medium
OA
String / Greedy / Hash Table
1y ago
Oct 2024
Common
Can Sort Permutation in Given Moves
Medium
OA
Math / Graph
1y ago
Oct 2024
Common
Minimum Memory for Hard Drives
Medium
OA
Binary Search / Array / Greedy
1y ago
Oct 2024
Common
Find Minimum Time to Create Beautiful Canvas
Hard
OA
Matrix / Binary Search / Prefix Sum
1y ago
Oct 2024
Common
Minimum Value Calculation by Replacing '!' in a Binary String
Medium
OA
String / Dynamic Programming
1y ago
Oct 2024
Common
Get Longest Substring
Medium
OA
String / Two Pointers
1y ago
Oct 2024
Common
Maximum Charge After Removal
Hard
OA
Dynamic Programming / Array
1y ago
Oct 2024
Common
Minimum Number of Increments on Subarrays to Form a Target Array
Easy
OA
Array / Greedy
1y ago
Oct 2024
Common
Compute Encoded Product Name
Easy
OA
String / Sorting
1y ago
Oct 2024
Common
Longest Perfect Anagrams
Hard
OA
String / Hash Table / Sliding Window
1y ago
Oct 2024
Common
Task Scheduler
Medium
OA
Greedy / Heap
1y ago
Oct 2024
Common
Pack Items
Easy
OA
Array / Sorting / Greedy
1y ago
Oct 2024
Common
Maximize Secondary Tasks Scheduled
Medium
OA
Greedy / Sorting / Two Pointers
1y ago
Oct 2024
Common
Find Maximum Zeroes
Medium
OA
Array / Greedy
1y ago
Sep 2024
Common
Get Longest Match
Medium
OA
String / Two Pointers
1y ago
Sep 2024
Common
Find Days S2 Subsequence of S1
Hard
OA
String / Binary Search / Prefix Sum
1y ago
Sep 2024
Common
Amazon Care Get Minimum Score
Medium
OA
Sliding Window / Hash Table / Array
1y ago
Sep 2024
Common
Minimize Warehouse Transfer Cost
Hard
OA
Array / Prefix Sum / Greedy
1y ago
Sep 2024
Common
Get Operations
Hard
OA
Array / Greedy / Sorting
1y ago
Sep 2024
Common
Channels Max Quality
Medium
OA
Sorting / Greedy
1y ago
Sep 2024
Common
Calculate Total Distance Travelled
Medium
OA
Array / Binary Search / Prefix Sum
1y ago
Sep 2024
Common
Sort Permutation
Medium
OA
Math / Graph
1y ago
Sep 2024
Common
Maximum Possible Racers
Medium
OA
Sliding Window / Hash Table
1y ago
Sep 2024
Common
Distribute Packages
Medium
OA
Array / Greedy / Sorting
1y ago
Sep 2024
Common
Minimize Sum of Distances to Warehouses
Medium
OA
Array / Dynamic Programming / Prefix Sum
1y ago
Aug 2024
Common
Get Minimum Sum of Distances
Medium
OA
Array / Sorting / Dynamic Programming
1y ago
Aug 2024
Common
Get Number of Teams
Easy
OA
Array / Two Pointers / Sorting / Binary Search
1y ago
Aug 2024
Common
Find Minimum Pen Drive Capacity
Medium
OA
Array / Binary Search / Greedy / Two Pointers
1y ago
Aug 2024
Common
Get Redundant Substrings
Hard
OA
String / Prefix Sum / Hash Table
1y ago
Aug 2024
Very common
Find Minimum Pages Per Day
Medium
OA
Binary Search / Array
1y ago
Jul 2024
Common
Find Encrypted Password (A.K.A Compute Encoded Product Name
Easy
OA
String / Sorting
1y ago
Jul 2024
Common
Find Number of Ways to Group Parcels (Also for Amazon Japan)
Medium
OA
Hash Table / Math / Combinatorics
1y ago
Jul 2024
Common
Assign Tasks to Servers
Easy
OA
Array / Heap
2y ago
Jul 2024
Common
Get Active Requests Count
Medium
OA
Queue / Simulation
2y ago
Jul 2024
Common
Schedule Requests to Servers
Medium
OA
Array / Greedy / Sorting
2y ago
Jul 2024
Common
Make Array Bitonic
Hard
OA
Dynamic Programming / Array
2y ago
Jul 2024
Common
Process Execution
Medium
OA
Sorting / Binary Search / Prefix Sum
2y ago
Jul 2024
Common
Is Regex Matching
Hard
OA
Dynamic Programming / String / Parsing
2y ago
Jul 2024
Common
Find Minimum Operations (It seems for FT in US but intern in CN)
Hard
OA
String / Greedy
2y ago
Jul 2024
Very common
Process Queue
Medium
OA
Queue / Simulation
2y ago
Jul 2024
Common
Min Total Errors
Medium
OA
String / Dynamic Programming / Greedy
2y ago
Jun 2024
Common
Reverse Binary String with Minimum Shifts
Medium
OA
String / Two Pointers / Greedy
2y ago
Jun 2024
Common
Get Max Points from Sprints
Hard
OA
Array / Sliding Window / Prefix Sum
2y ago
Jun 2024
Common
Count Distinct Passwords
Hard
OA
String / Hash Table
2y ago
Jun 2024
Common
Find Kth Minimum Vulnerability
Medium
OA
Sliding Window / Heap
2y ago
Jun 2024
Common
Maximize Negative Signs
Medium
OA
Array / Greedy
2y ago
Jun 2024
Common
Maximum Stability
Medium
OA
Sorting / Greedy
2y ago
Jun 2024
Common
Maximize Subtree Product
Hard
OA
Tree / Dynamic Programming / Greedy
2y ago
Jun 2024
Common
Rice Bags
Medium
OA
Hash Table / Dynamic Programming
2y ago
Jun 2024
Common
Optimizing Box Weights
Easy
OA
Array / Sorting / Greedy
2y ago
May 2024
Common
Find K-Level Permutation
Hard
OA
Array / Greedy
2y ago
May 2024
Common
Compute Beauty of Array Products
Hard
OA
Array / Sliding Window / Segment Tree
2y ago
May 2024
Common
Get Max Aggregate Temperature Change
Easy
OA
Array / Prefix Sum
2y ago
May 2024
Common
Get Exp.
Easy
OA
Sorting / Hash Table
2y ago
May 2024
Common
Get Minimum Number of Moves (A.K.A. Weight Lifting Equipments:)๐Ÿ…
Easy
OA
Array / Greedy
2y ago
May 2024
Common
Find Maximum Pairs
Easy
OA
Array / Sorting / Greedy / Two Pointers
2y ago
May 2024
Common
Order Layout
Medium
OA
String / Sorting / Parsing
2y ago
May 2024
Common
Find Number of Compatible Substrings
Medium
OA
String / Sliding Window / Hash Table
2y ago
Apr 2024
Common
K-Repetitiveness Feature Value
Hard
OA
String / Sliding Window
2y ago
Apr 2024
Common
Find Median of Subarray Uniqueness ๐Ÿฅ‘
Hard
OA
Binary Search / Sliding Window
2y ago
Apr 2024
Common
Kth Smallest in Subarray ๐Ÿ’
Medium
OA
Array / Sliding Window / Heap
2y ago
Apr 2024
Common
Find Earliest Month ๐Ÿ‡
Easy
OA
Array / Prefix Sum
2y ago
Apr 2024
Common
Maximum User Traffic
Easy
OA
Prefix Sum / Sorting
2y ago
Apr 2024
Common
Max Lucky Numbers ๐Ÿ…
Easy
OA
Math / Greedy
2y ago
Apr 2024
Common
Get Maximum Pairs ๐Ÿ‰
Easy
OA
Array / Sorting / Greedy / Two Pointers
2y ago
Apr 2024
Common
Counting Pairs
Easy
OA
Array / Hash Table
2y ago
Apr 2024
Common
Maximize the Array Sum After Negating at Most K Elements ๐Ÿฅ
Medium
OA
Array / Greedy / Prefix Sum
2y ago
Apr 2024
Common
Find Minimum Keypad Click Count (AMZ CN) ๐Ÿฅ‘
Medium
OA
Hash Table / Greedy / Sorting
2y ago
Mar 2024
Common
Find Minimum Trips ๐ŸŒ
Easy
OA
Hash Table / Greedy
2y ago
Mar 2024
Common
Return Records ๐Ÿฅ
Easy
OA
Hash Table / Simulation / String
2y ago
Mar 2024
Common
Count Faults
Easy
OA
Simulation / Hash Table / String
2y ago
Mar 2024
Common
Get the Fewest Moves (~Operations~)~
Medium
OA
Array / Greedy / Math
2y ago
Mar 2024
Common
Minimize Sum of Absolute Differences ๐Ÿ‰
Easy
OA
Array / Sorting / Greedy
2y ago
Mar 2024
Common
Sign In Pages ๐ŸŠ
Easy
OA
Hash Table / Simulation / String
2y ago
Mar 2024
Common
Lexicographically Smallest Palindrome Possible ๐ŸŠ
Medium
OA
String / Two Pointers / Greedy
2y ago
Mar 2024
Common
Sort Product Codes ๐Ÿ‘
Easy
OA
Sorting / String / Hash Table
2y ago
Mar 2024
Common
Find Maximum Number of Batches
Medium
OA
Array / Greedy / Sorting
2y ago
Mar 2024
Common
Find P-Matching Score
Medium
OA
String / Hash Table / Sliding Window
2y ago
Mar 2024
Common
Find P-Matching Score
Medium
OA
String / Hash Table
2y ago
Mar 2024
Common
Get Minimum Round Trip Cost
Easy
OA
Array / Prefix Sum / Two Pointers
2y ago
Mar 2024
Common
Group 1 Win Count
Medium
OA
Sorting / Binary Search
2y ago
Mar 2024
Common
Maximize Final Element
Easy
OA
Greedy / Sorting
2y ago
Mar 2024
Common
Maximize the Array Value
Medium
OA
Array / Greedy
2y ago
Mar 2024
Common
Maximum Number of Products You Can Pick
Hard
OA
Dynamic Programming / Array
2y ago
Mar 2024
Common
Maximum Possible Charge
Hard
OA
Dynamic Programming / Array
2y ago
Mar 2024
Common
Number of Duplicates
Easy
OA
Hash Table / Array
2y ago
Mar 2024
Common
TikTok Video Relevance Adjustment
Medium
OA
Binary Search / Greedy
2y ago
Mar 2024
Common
Maximum Times Word Removed
Easy
OA
String / Hash Table
2y ago
Mar 2024
Common
Get Min Cost Data ๐ŸŠ
Medium
OA
String / Greedy / Hash Table
2y ago
Feb 2024
Common
Get Mean Rank Count ๐Ÿ“
Hard
OA
Array / Hash Table / Prefix Sum
2y ago
Feb 2024
Common
Fortune Telling ๐Ÿ’
Hard
OA
Sliding Window / Sorting / Greedy
2y ago
Feb 2024
Common
Find Largest Set of Onion Bags ๐Ÿ‘
Medium
OA
Array / Hash Table / Math
2y ago
Feb 2024
Common
Find Recurring Names
Easy
OA
Hash Table / Sorting / String
2y ago
Jan 2024
Common
Find Unique Values
Easy
OA
Sorting / Hash Table
2y ago
Jan 2024
Common
Get Discount Pairs ๐ŸŠ
Easy
OA
Array / Hash Table / Math
2y ago
Jan 2024
Common
Count Maximum Profitable Groups ๐Ÿ‘
Medium
OA
Array / Stack
2y ago
Jan 2024
Common
Minimum Time Spent ๐Ÿ‰
Medium
OA
Greedy / Sorting / Binary Search
2y ago
Jan 2024
Common
Get Average Standing ๐Ÿ‘
Medium
OA
Array / Sorting / Math
2y ago
Dec 2023
Common
Location Of Data After Transfers
Easy
OA
Hash Table / Sorting
2y ago
Dec 2023
Common
Erase Pairs ๐Ÿ‡
Medium
OA
Stack / String
2y ago
Dec 2023
Common
Count Num Ways ๐Ÿ’
Medium
OA
String / Two Pointers
2y ago
Nov 2023
Common
Get Minimum Cost ๐Ÿ’
Medium
OA
Heap / Greedy
2y ago
Nov 2023
Common
Count Max Num Teams ๐Ÿฅ
Easy
OA
Array / Sorting / Sliding Window
2y ago
Sep 2023
Common
Count Spikes ๐Ÿ“
Medium
OA
Array / Sorting
2y ago
Aug 2023
Common
Dropped Requests ๐Ÿ‹
Medium
OA
Sliding Window / Array
3y ago
Jul 2023
Common
Remove Anagram ๐Ÿ‹
Easy
OA
String / Hash Table / Sorting
3y ago
Jul 2023
Common
Amazon Execute Processes (a.k.a. AWS Processor)
Medium
OA
Array / Hash Table / Simulation
3y ago
Jul 2023
Common
Find Number of Possible Unique Strings ๐Ÿ
Hard
OA
String / Math
3y ago
Mar 2023
Common
Get Priorities after Execution ๐Ÿฅญ
Hard
OA
Heap / Hash Table / Simulation
3y ago
Jan 2023
Common
Max Book Copies ๐Ÿซ
Medium
OA
Hash Table / Heap
3y ago
Jan 2023
Common
FastPrep is independent and is not affiliated with Amazon. Problem frequency and last-seen data are based on public interview reports and FastPrep problem metadata.