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Amazon

Coding & system design - the loop, the OA, and the bar

Start daily problem
1

Online Assessment

~105 min

2 timed coding problems plus work-style survey. Auto-graded on correctness and runtime.

2 coding Qsauto-graded
2

Phone Screen

45-60 min

One coding problem in a shared editor plus 1-2 Leadership Principle stories.

1 coding Q1-2 LP
3

On-site Interview

Bar Raiser
4-6 rounds

Coding, system design, and behavioral rounds. Leadership Principle signals are woven throughout.

codingsystem designLP

Recently reported this week

Real questions being asked in the past week

8 Amazon interview problems have fresh candidate reports.

ProblemRoundTopicsFrequencyTimeLast reported
Amazon interview problems417
Minimize Effort with EffiBin KitSeen this week
Medium
OA
Array / Math / Greedy
Very common
20m
1d ago
Jul 2026
Maximum System Memory CapacitySeen this week
Easy
OA
Sorting / Greedy
Very common
10m
1d ago
Jul 2026
Currency Conversion RateSeen this week
Medium
Phone
Graph / Breadth-First Search / Hash Table
Common
20m
2d ago
Jul 2026
Number of Islands IISeen this week
Hard
Onsite
Array / Matrix / Graph / Union Find
Common
30m
2d ago
Jul 2026
Create Array Generator ServiceSeen this week
Medium
OA
Greedy / Heap
Very common
20m
3d ago
Jul 2026
Minimum Operations to Make the Integer ZeroSeen this week
Medium
OA
Array / Greedy
Very common
20m
3d ago
Jul 2026
Drone Delivery RouteSeen this week
Medium
OA
Array / Prefix Sum / Math
Very common
20m
4d ago
Jul 2026
Course ScheduleSeen this week
Medium
Onsite
Graph / Depth-First Search / Breadth-First Search / Topological Sort
Common
20m
4d ago
Jul 2026
Maximum Sum of HeightsSeen this week
Hard
Onsite
Array / Stack / Dynamic Programming
Common
30m
4d ago
Jul 2026
Longest Palindromic SubsequenceSeen this week
Medium
Onsite
String / Dynamic Programming
Common
20m
6d ago
Jul 2026
Find Maximum Total Amount (SDE I, Fungible :)Seen this week
Medium
OA
Prefix Sum / Sliding Window
Very common
20m
7d ago
Jul 2026
Group AnagramsSeen this week
Medium
Onsite
String / Array / Hash Table / Sorting
Common
20m
7d ago
Jul 2026
Minimum Grid Inconvenience
Hard
OA
Matrix / Breadth-First Search / Binary Search
Common
30m
8d ago
Jul 2026
Closest Version Date
Easy
Onsite
Array / String / Binary Search
Common
10m
10d ago
Jul 2026
Maximum Concurrent Processes (Bar Raiser Round)
Medium
Onsite
Intervals / Sorting
Common
20m
10d ago
Jul 2026
Maximum Product New Rating
Hard
OA
Array / Bit Manipulation / Greedy / Binary Search
Common
30m
10d ago
Jul 2026
Permutation Sorter
Medium
OA
Array / Math / Greedy
Common
20m
10d ago
Jul 2026
Get Distinct Pairs (Also apply to AS intern)
Easy
OA
Hash Table / Two Pointers
Very common
10m
11d ago
Jul 2026
Maximum Final Value
Easy
OA
Greedy / Sorting
Very common
10m
11d ago
Jul 2026
Package Dependency Order
Medium
Onsite
Graph / Depth-First Search / Topological Sort
Common
20m
11d ago
Jul 2026
Minimum Redistribution Cost
Medium
OA
Array / Prefix Sum / Greedy
Very common
20m
12d ago
Jun 2026
Maximal Square
Medium
Onsite
Array / Matrix / Dynamic Programming
Common
20m
12d ago
Jun 2026
Sliding Window Maximum
Hard
Onsite
Array / Sliding Window / Queue
Common
30m
12d ago
Jun 2026
Minimum Delivery Center Inconvenience
Medium
OA
Matrix / Binary Search / Breadth-First Search
Very common
20m
14d ago
Jun 2026
Unfulfilled Customers by Inventory Priority
Medium
OA
Array / Sorting / Simulation
Very common
20m
14d ago
Jun 2026
Inventory Allocation
Medium
OA
Simulation / Sorting / Heap
Common
20m
14d ago
Jun 2026
Merge Intervals
Easy
OA
Intervals / Sorting
Very common
10m
15d ago
Jun 2026
Domain Weight Calculation
Medium
Onsite
String / Hash Table / Trie / Depth-First Search
Common
20m
16d ago
Jun 2026
Number of Atoms
Hard
Onsite
String / Stack / Hash Table / Parsing / Sorting
Common
30m
18d ago
Jun 2026
Minimum Merge Conflicts
Hard
OA
Dynamic Programming / String
Very common
30m
20d ago
Jun 2026
Get Minimum Amount
Unknown
OA
General
Common
20m
21d ago
Jun 2026
Minimum Circular Redistribution Cost
Hard
OA
Array / Prefix Sum / Greedy
Very common
30m
22d ago
Jun 2026
Get Max Servers
Medium
OA
Array / Sorting / Greedy
Very common
20m
23d ago
Jun 2026
Minimum Operations to Make Array Valid
Medium
OA
Array / Greedy / Hash Table
Common
20m
23d ago
Jun 2026
Sort Bug Report Frequencies
Easy
OA
Array / Hash Table / Sorting
Common
10m
23d ago
Jun 2026
Minimum Contiguous Replacements
Medium
OA
Array / Hash Table / Union Find
Common
20m
23d ago
Jun 2026
Maximum Equal Parts for Prefixes
Medium
OA
String / Array / Hash Table / Math
Common
20m
24d ago
Jun 2026
Count Promotional Periods
Unknown
OA
General
Common
20m
1mo ago
Jun 2026
Get Smallest Base Segment
Unknown
OA
General
Common
20m
1mo ago
Jun 2026
Select Least Resource Tasks
Unknown
OA
General
Common
20m
1mo ago
Jun 2026
Maximum Non-Adjacent House Value
Medium
Onsite
Array / Dynamic Programming
Common
20m
1mo ago
Jun 2026
Minimum Execution Time
Medium
OA
Binary Search / Greedy / Sorting / Array
Common
20m
1mo ago
Jun 2026
Running Delivery Time Medians
Medium
Onsite
Heap / Design
Common
30m
1mo ago
Jun 2026
Count Distinct Domino Colorings
Medium
OA
String / Graph / Dynamic Programming / Combinatorics
Common
20m
1mo ago
May 2026
Lowest Common Ancestor Implemented with Stack
Medium
Onsite
Tree / Stack / Hash Table
Common
20m
1mo ago
May 2026
Product Category Group Sizes
Easy
Phone
Union Find / Sorting
Common
10m
1mo ago
May 2026
Count Connected Components
Easy
Phone
Graph / Union Find / Depth-First Search
Common
10m
1mo ago
May 2026
Circular Route Query Distance
Easy
OA
Array / Prefix Sum
Common
10m
1mo ago
May 2026
Tree Node Relationship
Easy
Phone
Tree / Breadth-First Search
Common
10m
1mo ago
May 2026
Unique Pairs With Target Sum
Easy
Phone
Array / Hash Table / Two Pointers
Common
10m
2mo ago
May 2026
Feasible Indices After Prefix/Suffix Reduction
Medium
OA
Array / Greedy
Common
20m
2mo ago
Apr 2026
Feasible Indices After Reduction
Unknown
OA
General
Common
20m
2mo ago
Apr 2026
Secure Maximum Deliveries
Hard
OA
Array / Greedy / Dynamic Programming
Common
30m
2mo ago
Apr 2026
Count Similar String Groups
Unknown
Onsite
General
Common
20m
2mo ago
Apr 2026
Make Power Non-decreasing
Medium
OA
Array / Greedy
Very common
20m
2mo ago
Apr 2026
Stable Robot Configurations
Medium
OA
Array / Sorting / Combinatorics
Common
20m
2mo ago
Apr 2026
Get Minimum Errors
Hard
OA
Dynamic Programming / String / Greedy
Very common
30m
2mo ago
Apr 2026
Maximum Score With Non-Adjacent Values
Unknown
Onsite
General
Common
20m
2mo ago
Apr 2026
Make Value Groups Contiguous
Medium
OA
Array / Hash Table / Greedy
Common
20m
3mo ago
Apr 2026
Dynamic Kth Largest Queries
Unknown
Onsite
General
Common
20m
3mo ago
Apr 2026
Longest Zero Sum Subarray
Unknown
Onsite
General
Common
20m
3mo ago
Apr 2026
Maximize Minimum Machine Power
Unknown
Onsite
General
Common
20m
3mo ago
Apr 2026
Minimum Stick Connection Cost
Unknown
Onsite
General
Common
20m
3mo ago
Apr 2026
Maximize Protected City Population
Medium
OA
Array / Greedy / Dynamic Programming
Common
20m
3mo ago
Apr 2026
Minimum Cost to Convert Products to Variant A
Medium
OA
Array / Sliding Window / Greedy
Common
20m
3mo ago
Apr 2026
Minimum Preparation Time for Two Handlers
Medium
OA
Dynamic Programming / Array
Common
20m
3mo ago
Apr 2026
Frequently Bought Together
Medium
OA
Array / String / Hash Table / Sorting
Common
20m
3mo ago
Apr 2026
Souvenir Shop Purchases
Medium
OA
Array / Simulation / Binary Search / Math
Common
20m
3mo ago
Apr 2026
Sum Max Plus Min After Decrement Operations
Medium
OA
Heap / Greedy
Common
20m
3mo ago
Mar 2026
Sort Error Codes by Frequency
Easy
OA
Sorting / Hash Table
Common
10m
3mo ago
Mar 2026
Best Way to Pack
Hard
OA
String / Greedy
Very common
30m
3mo ago
Mar 2026
Minimum Emergency Deliveries
Medium
OA
Array / Greedy / Prefix Sum
Common
20m
3mo ago
Mar 2026
Optimize Box IDs
Hard
OA
Stack / Greedy / String
Common
30m
3mo ago
Mar 2026
Most Common Product Pair
Easy
OA
Hash Table / Sorting
Common
10m
3mo ago
Mar 2026
Warehouse Robots with Threshold
Medium
OA
Array / Sorting / Greedy
Common
20m
3mo ago
Mar 2026
Lexicographically Smallest After One Substring Rotation
Unknown
OA
General
Common
20m
5mo ago
Feb 2026
Productive Worker Teams
Medium
OA
Array / Combinatorics
Common
20m
5mo ago
Feb 2026
Minimum Operations to Sort a Permutation
Unknown
OA
General
Common
20m
5mo ago
Jan 2026
Find Minimum Groups
Medium
OA
Array / Hash Table / Greedy
Common
20m
5mo ago
Jan 2026
Service Pipeline Stabilization Time
Medium
OA
String / Stack / Simulation
Common
20m
5mo ago
Jan 2026
Lexicographically Maximum Final Sequence
Unknown
OA
General
Common
20m
5mo ago
Jan 2026
Package Delivery System
Medium
OA
Greedy / Sorting / Heap
Common
20m
5mo ago
Jan 2026
VM Rental Revenue
Medium
OA
Heap / Greedy
Common
20m
5mo ago
Jan 2026
Longest Arithmetic Subarray After One Change
Unknown
OA
General
Common
20m
6mo ago
Jan 2026
Replace Values and Return Sums
Unknown
OA
General
Common
20m
6mo ago
Jan 2026
Minimum S3 Storage Cost
Unknown
OA
General
Common
20m
7mo ago
Dec 2025
Maximize Machine Strength Sum
Hard
OA
Greedy / Sorting
Common
30m
9mo ago
Oct 2025
Count Picked Items Less Than Queries
Unknown
OA
General
Common
20m
11mo ago
Aug 2025
Fair Prize Distribution
Unknown
OA
General
Common
20m
11mo ago
Aug 2025
Largest Number With Digit Sum
Unknown
OA
General
Common
20m
11mo ago
Aug 2025
Minimize Binary Subsequence Cost
Unknown
OA
General
Common
20m
11mo ago
Aug 2025
Min Operations to Adjust Prices
Medium
OA
Array / Sorting / Greedy
Common
20m
1y ago
Jul 2025
Min Time After Which the Password Becomes Irrecoverable
Hard
OA
Binary Search / Math
Very common
30m
1y ago
Jul 2025
Get Trucks for Items 🥥
Medium
OA
Sorting / Binary Search
Common
20m
1y ago
Jul 2025
Maximize Pages Before Suspension
Hard
OA
Greedy / Sorting / Simulation
Common
30m
1y ago
Jul 2025
Get Maximum Sum
Medium
OA
Matrix / Sorting / Greedy / Heap
Very common
20m
1y ago
Jul 2025
Segmentify: Minimum Subsegments
Hard
OA
Dynamic Programming / Greedy / String
Very common
30m
1y ago
Jul 2025
Find Hash
Medium
OA
Array / Math
Very common
20m
1y ago
Jul 2025
Minimum Connected Delivery Zones After Adding One Interval
Hard
OA
Intervals / Greedy / Sorting
Very common
30m
1y ago
Jul 2025
Predict Answer
Medium
OA
Array / Binary Search / Sorting / Stack
Common
20m
1y ago
Jul 2025
Buy Volumes (Order Books :)
Medium
OA
Array / Union Find
Very common
20m
1y ago
Jul 2025
Get Min Cost
Medium
OA
Dynamic Programming / Two Pointers
Common
20m
1y ago
Jul 2025
Count Possible Winners (All About Rewards :)
Medium
OA
Array / Sorting
Very common
20m
1y ago
Jun 2025
Get Special String
Hard
OA
String / Greedy
Very common
30m
1y ago
Jun 2025
Minimize Variation
Medium
OA
Array / Sorting / Greedy
Very common
20m
1y ago
Jun 2025
Min Operation
Easy
OA
Array / Greedy / Hash Table
Very common
10m
1y ago
Jun 2025
Determine the Best Skipping Strategy
Hard
OA
Dynamic Programming / Greedy
Common
30m
1y ago
Jun 2025
Minimum Total Packaging Effort
Hard
OA
Array / Sorting / Greedy
Common
30m
1y ago
Jun 2025
Find Security Level
Hard
OA
Array / Prefix Sum / Hash Table
Common
30m
1y ago
Jun 2025
Find Least Possible Vulnerability
Hard
OA
Array / Binary Search / Sliding Window / Math
Very common
30m
1y ago
Jun 2025
Bring Servers Down
Hard
OA
Greedy / Math / Simulation
Very common
30m
1y ago
Jun 2025
Count Special Strings
Medium
OA
String / Prefix Sum / Hash Table
Common
20m
1y ago
Jun 2025
Find Minimum Days
Hard
OA
Binary Search / Sliding Window
Very common
30m
1y ago
Jun 2025
Min Cost to Remove Subsequence
Hard
OA
Dynamic Programming / String
Very common
30m
1y ago
Jun 2025
Minimal Cost to Increase Package Size
Medium
OA
Greedy / Sorting
Common
20m
1y ago
Jun 2025
Find Minimum Machines Size
Medium
OA
Array / Greedy
Common
20m
1y ago
May 2025
Compute Lowest Linking (Connection) Expense
Hard
OA
Prefix Sum / Binary Search
Very common
30m
1y ago
May 2025
All About Medians
Easy
OA
Array / Sorting
Very common
10m
1y ago
May 2025
Minimize Array Sum Difference
Medium
OA
Array / Greedy
Common
20m
1y ago
May 2025
Server Selection
Hard
OA
Greedy / Sorting / Hash Table
Common
30m
1y ago
May 2025
Split Prefix Suffix
Medium
OA
String / Prefix Sum / Hash Table
Common
20m
1y ago
May 2025
Get Maximum Count
Hard
OA
Array / Hash Table / Sliding Window
Common
30m
1y ago
May 2025
Find Minimum Replacements
Hard
OA
Array / Greedy
Very common
30m
1y ago
May 2025
Find Maximum Number of Subjects Passed (AS Intern, but it may apply to other interns) 🍋
Easy
OA
Array / Greedy / Sorting
Very common
10m
1y ago
May 2025
Find Idle Skills Query
Medium
OA
Hash Table / Binary Search
Common
20m
1y ago
May 2025
Minimum Retailers
Hard
OA
Intervals / Sorting / Greedy
Common
30m
1y ago
May 2025
Get Total Requests
Easy
OA
Array / Hash Table / Simulation
Very common
10m
1y ago
May 2025
Find Maximum Score
Hard
OA
String / Dynamic Programming
Common
30m
1y ago
Apr 2025
Count Special Substrings in a DNA Sequence
Medium
OA
String / Two Pointers
Common
20m
1y ago
Apr 2025
Lexicographically Maximal Resulting Array
Medium
OA
Array / Greedy
Common
20m
1y ago
Apr 2025
Get Minimum Dock Bays
Medium
OA
Array / Binary Search / Heap
Common
20m
1y ago
Apr 2025
Cinema Shows
Medium
OA
Dynamic Programming / Binary Search / Intervals
Very common
20m
1y ago
Apr 2025
Count Processes Giving Inaccurate Results
Medium
OA
Array / Hash Table
Very common
20m
1y ago
Apr 2025
Get Max Increments
Easy
OA
Array / Sorting / Greedy
Very common
10m
1y ago
Apr 2025
Minimum Cost to Purchase Servers
Medium
OA
Greedy / Sorting
Common
20m
1y ago
Apr 2025
Next Greater Perfect String
Hard
OA
String / Greedy
Common
30m
1y ago
Apr 2025
Use Minimum Tokens
Hard
OA
Sorting / Prefix Sum / Binary Search
Common
30m
1y ago
Apr 2025
Get Minimum Number of Unique Distribution Centers
Easy
OA
Array / Greedy
Common
10m
1y ago
Apr 2025
Get Largest Number
Medium
OA
Dynamic Programming / Array
Very common
20m
1y ago
Apr 2025
Minimum Operations to Remove Characters in Frequency Order (Find Min Deletions :)
Hard
OA
String / Dynamic Programming
Common
30m
1y ago
Apr 2025
Maximize Memory Points (India Intern :)
Medium
OA
Greedy / Sorting / Prefix Sum
Very common
20m
1y ago
Apr 2025
Min Operations to Sort All Packages
Easy
OA
Array / Simulation
Very common
10m
1y ago
Apr 2025
Count Failed Executions
Medium
OA
Array / Hash Table
Common
20m
1y ago
Apr 2025
Count Ways to Select Fleet
Easy
OA
Math
Common
10m
1y ago
Apr 2025
Optimal Utilization
Medium
OA
Two Pointers / Sorting
Common
20m
1y ago
Apr 2025
Find Network Calls (Also For Amazon UK :)
Medium
OA
Array / Sorting / Prefix Sum
Very common
20m
1y ago
Mar 2025
Get Maximum Stability
Medium
OA
Sorting / Greedy
Very common
20m
1y ago
Mar 2025
Find First Index Where Prefix Sum Becomes Non-Positive
Easy
OA
Array / Prefix Sum
Very common
10m
1y ago
Mar 2025
Convert to Good String
Medium
OA
Dynamic Programming / String
Common
20m
1y ago
Mar 2025
Inventory Processes Survival Possibility
Medium
OA
Greedy / Math
Very common
20m
1y ago
Mar 2025
Find Min Max Difference
Hard
OA
Sorting / Greedy
Common
30m
1y ago
Mar 2025
Max Sum of Non-Overlapping Intervals
Medium
OA
Intervals / Dynamic Programming / Sorting
Common
20m
1y ago
Mar 2025
Process Queries on Cart
Easy
OA
Linked List / Hash Table / Simulation
Very common
10m
1y ago
Mar 2025
Make Array Distinct (Selling Shoes 🩰)
Medium
OA
Array / Sorting / Greedy
Common
20m
1y ago
Mar 2025
Get Minimal Cost
Medium
OA
Array / Sorting / Greedy
Common
20m
1y ago
Mar 2025
Compute Least Truck Count
Medium
OA
Array / Math / Greedy
Very common
20m
1y ago
Mar 2025
Ensure Non-Zero Load Sum
Hard
OA
Prefix Sum / Hash Table / Greedy
Common
30m
1y ago
Mar 2025
Number of Well Performing Groups
Medium
OA
Array / Sliding Window
Common
20m
1y ago
Mar 2025
Trader Joe Trades
Hard
OA
Dynamic Programming / Greedy
Common
30m
1y ago
Mar 2025
Transform to Encrypted Number
Easy
OA
Array / Simulation
Very common
10m
1y ago
Mar 2025
Calculate the Max Value
Medium
OA
Matrix / Dynamic Programming / Greedy
Very common
20m
1y ago
Mar 2025
Maximum Number of Balanced Shipments
Medium
OA
Greedy / Array
Very common
20m
1y ago
Mar 2025
Similar Text Substring Count
Easy
OA
String / Sliding Window
Very common
10m
1y ago
Mar 2025
Find Maximum Number of Balanced Combinations
Medium
OA
Array / Combinatorics / Math
Common
20m
1y ago
Mar 2025
Find Password Strength
Medium
OA
String / Greedy
Common
20m
1y ago
Mar 2025
Find Password Strength
Medium
OA
String / Hash Table
Very common
20m
1y ago
Mar 2025
Max Batches For Shipment
Medium
OA
Greedy / Sorting
Common
20m
1y ago
Mar 2025
Sum After Query Update
Easy
OA
Array / Hash Table
Common
10m
1y ago
Mar 2025
Compute Remaining Tasks
Medium
OA
Array / Prefix Sum / Binary Search
Very common
20m
1y ago
Mar 2025
Find Ideal Days
Medium
OA
Array / Sliding Window
Common
20m
1y ago
Mar 2025
Find Optimal Level
Hard
OA
Array / Binary Search / Greedy
Common
30m
1y ago
Mar 2025
Minimize Maximum Parcels
Medium
OA
Array / Binary Search / Greedy
Very common
20m
1y ago
Mar 2025
Find Capable Winners
Hard
OA
Sorting / Greedy / Array
Very common
30m
1y ago
Mar 2025
Math Challenge
Hard
OA
Parsing / Math / String
Common
30m
1y ago
Feb 2025
Compute Maximum Scheduled Tasks
Medium
OA
Greedy / Sorting / Two Pointers
Common
20m
1y ago
Feb 2025
Count Idle Warehouse Robots
Easy
OA
Hash Table / Array
Very common
10m
1y ago
Feb 2025
Let's Play Crush Fruit Together :)
Easy
OA
Math / Hash Table
Very common
10m
1y ago
Feb 2025
Maximum Domino Removals
Hard
OA
Binary Search / Dynamic Programming
Common
30m
1y ago
Feb 2025
Find the Longest Isolated Substring Length
Medium
OA
String / Hash Table
Very common
20m
1y ago
Feb 2025
Maximize Total Memory Points
Medium
OA
Greedy / Sorting
Very common
20m
1y ago
Feb 2025
Compute Minimum Total Distance
Medium
OA
Array / Sorting / Dynamic Programming
Very common
20m
1y ago
Feb 2025
Looking for a Matching Score
Hard
OA
String / Hash Table / Sliding Window
Very common
30m
1y ago
Feb 2025
Warehouse Allocation (Distribute)
Easy
OA
Array / Math / Greedy
Very common
10m
1y ago
Feb 2025
Compute Maximum Earning Points
Medium
OA
Greedy / Sorting
Common
20m
1y ago
Feb 2025
Get Most Out of the Data
Medium
OA
Array / Greedy / Sorting
Common
20m
1y ago
Feb 2025
Minimum Steps to Reduce Array Elements to 0
Medium
OA
Array / Greedy
Common
20m
1y ago
Feb 2025
Find First Unique 🍉
Easy
OA
String / Hash Table
Common
10m
1y ago
Feb 2025
Minimum Days to Deliver Parcels
Easy
OA
Array / Math
Common
10m
1y ago
Feb 2025
Group Students (AS Intern, it may apply to other interns) 🍑
Easy
OA
Sorting / Greedy
Very common
10m
1y ago
Feb 2025
Maximum Score in Balanced String 🍇
Medium
OA
String / Stack
Common
20m
1y ago
Feb 2025
Get Minimum Value
Easy
OA
Array / Greedy
Very common
10m
1y ago
Feb 2025
Get Maximum
Medium
OA
Dynamic Programming / Array
Common
20m
1y ago
Feb 2025
Sum of Max of Subarrays
Hard
OA
Array / Stack
Common
30m
1y ago
Feb 2025
Count Secured Strings
Hard
OA
Dynamic Programming / String
Very common
30m
1y ago
Feb 2025
Compute Relative Player Ratings
Medium
OA
Sorting / Heap
Very common
20m
1y ago
Feb 2025
Increase Solar-Powered Bulbs to the Maximum
Easy
OA
Array / Greedy
Very common
10m
1y ago
Feb 2025
Get Maximum Events
Hard
OA
Dynamic Programming / Sorting / Greedy
Common
30m
1y ago
Feb 2025
Find Minimum Time
Medium
OA
Array / Sorting / Greedy
Very common
20m
1y ago
Feb 2025
Get Server ID
Medium
OA
Segment Tree / Array
Very common
20m
1y ago
Jan 2025
Match Strings (Amazon CN) 🍌
Easy
OA
String / Two Pointers
Common
10m
1y ago
Jan 2025
Get Stable Periods Count (Fungible :)
Medium
OA
Sliding Window / Hash Table
Very common
20m
1y ago
Jan 2025
Equal Products
Medium
OA
String / Hash Table / Union Find
Common
20m
1y ago
Jan 2025
Get Maximum Sum (a.k.a. Find Max Health Sum :P
Easy
OA
Hash Table / Sorting / Greedy
Very common
10m
1y ago
Jan 2025
Maximize Sum of Array Multiplication
Easy
OA
Array / Sorting / Greedy
Common
10m
1y ago
Jan 2025
Get Maximum Greyness 🍇
Easy
OA
Matrix / Prefix Sum
Common
10m
1y ago
Jan 2025
Palindromic Substrings
Easy
OA
String / Dynamic Programming
Common
10m
1y ago
Jan 2025
Get Minimum Boxes
Medium
OA
Array / Sorting / Sliding Window
Very common
20m
1y ago
Jan 2025
Find Sum of Beauties
Medium
OA
Array / Sorting / Binary Search
Common
20m
1y ago
Jan 2025
Get Maximum Information Gain
Easy
OA
String / Hash Table / Sorting
Very common
10m
1y ago
Jan 2025
Find Max To Balance
Hard
OA
String / Stack / Greedy
Common
30m
1y ago
Jan 2025
Find Max Health Sum
Easy
OA
Array / Hash Table / Sorting / Greedy
Common
10m
1y ago
Jan 2025
Minimum Starting Health to Win the Game
Easy
OA
Array / Greedy
Common
10m
1y ago
Jan 2025
Sum of System Vulnerability
Hard
OA
Stack / Array / Math
Common
30m
1y ago
Jan 2025
Get Data Dependence Sum (Fungible :)
Hard
OA
Math
Very common
30m
1y ago
Jan 2025
Get Computational Equivalents
Easy
OA
Sorting / Two Pointers
Common
10m
1y ago
Jan 2025
Get Outlier Value (Amazon London)
Easy
OA
Array / Math / Hash Table
Very common
10m
1y ago
Jan 2025
Amazon Review Score 🍅
Medium
OA
String / Sliding Window
Very common
20m
1y ago
Jan 2025
Find Maximum Maxima Count 🍊
Medium
OA
String / Hash Table / Prefix Sum
Very common
20m
1y ago
Jan 2025
Max Consecutive ON Servers
Hard
OA
String / Sliding Window
Very common
30m
1y ago
Jan 2025
Calculate Max Salary
Medium
OA
String / Dynamic Programming / Greedy
Common
20m
1y ago
Jan 2025
Get Largest Index Length
Medium
OA
Dynamic Programming / Sorting
Common
20m
1y ago
Jan 2025
Maximize Product of Sizes of Subtrees
Hard
OA
Tree / Dynamic Programming / Greedy
Common
30m
1y ago
Jan 2025
Maximize Repeated Substring Length
Hard
OA
String / Dynamic Programming
Common
30m
1y ago
Jan 2025
Minimum Energy Cost
Medium
OA
Dynamic Programming / Array
Common
20m
1y ago
Jan 2025
Optimal Interval Difference
Medium
OA
Intervals / Sorting
Common
20m
1y ago
Jan 2025
Get Pairs Count 🥑
Easy
OA
Array / Two Pointers / Sorting
Very common
10m
1y ago
Jan 2025
Get Max Charge
Hard
OA
Dynamic Programming / Stack
Very common
30m
1y ago
Jan 2025
Discount Events
Medium
OA
Segment Tree / Array
Common
20m
1y ago
Jan 2025
Get Min Operations
Medium
OA
Sorting / Greedy
Very common
20m
1y ago
Jan 2025
Get Success Value 🍅 (Fungible :)
Easy
OA
Sorting / Prefix Sum
Very common
10m
1y ago
Jan 2025
Get Final Locations
Easy
OA
Hash Table / Sorting
Common
10m
1y ago
Jan 2025
Get Score Difference 🍊
Easy
OA
Array / Sorting / Greedy
Common
10m
1y ago
Jan 2025
Find Overlapping Times
Easy
OA
Intervals / Sorting
Common
10m
1y ago
Dec 2024
Get Maximum Sum Arr (Fungible :)
Hard
OA
Dynamic Programming / Heap / Prefix Sum
Very common
30m
1y ago
Dec 2024
How Many Games Did the First Team Win?
Medium
OA
Sorting / Binary Search
Very common
20m
1y ago
Dec 2024
Minimum Swaps to Make Palindrome
Medium
OA
String / Two Pointers / Greedy
Common
20m
1y ago
Dec 2024
Make Array Zero by Subtracting Equal Amounts (LC 2375 :)
Easy
OA
Array / Hash Table
Common
10m
1y ago
Dec 2024
Get Max Skill Sum
Medium
OA
Prefix Sum / Hash Table
Common
20m
1y ago
Dec 2024
Get Minimum Removal
Easy
OA
Hash Table / Greedy / Sorting
Common
10m
1y ago
Dec 2024
Get Minimum Removals
Easy
OA
Hash Table / Greedy / Sorting
Common
10m
1y ago
Dec 2024
Reduce Gifts
Easy
OA
Array / Sorting / Greedy
Common
10m
1y ago
Dec 2024
Maximize Cluster Power
Easy
OA
Greedy / Sorting
Common
10m
1y ago
Dec 2024
Calculate Maximum Profit
Easy
Phone
Greedy / Sorting
Common
10m
1y ago
Dec 2024
Minimal Unique Segments
Easy
OA
String / Sliding Window / Hash Table
Common
10m
1y ago
Dec 2024
Find Minimum Dist. 😉
Easy
OA
Sorting / Greedy
Common
10m
1y ago
Dec 2024
Max Transfer Rate
Easy
OA
Greedy / Sorting / Math
Common
10m
1y ago
Dec 2024
Get Minimum Changes
Medium
OA
Array / Hash Table
Common
20m
1y ago
Dec 2024
Find Lexicographically Smallest String
Hard
OA
String / Greedy
Common
30m
1y ago
Dec 2024
Perform Queries
Easy
OA
Queue / Simulation
Common
10m
1y ago
Dec 2024
Find Minimum Inefficienty
Medium
OA
Dynamic Programming / String
Common
20m
1y ago
Dec 2024
Count Distinct Categories
Hard
OA
Array / Hash Table
Common
30m
1y ago
Dec 2024
Find Maximum Packages
Medium
OA
Array / Hash Table / Two Pointers
Common
20m
1y ago
Dec 2024
Find Smallest Appealing
Hard
OA
String / Greedy
Common
30m
1y ago
Dec 2024
Equalize The Arrays
Medium
OA
Array / Greedy / Prefix Sum
Common
20m
1y ago
Dec 2024
Sum of All Days Numbers on Which the Data of the Xth Will Be Dependent
Medium
OA
Math
Common
20m
1y ago
Dec 2024
Optimize Identifiers
Medium
OA
String / Two Pointers
Common
20m
1y ago
Nov 2024
Maximum Number of Packages
Medium
OA
Hash Table / Greedy
Common
20m
1y ago
Nov 2024
Find Obfuscate Message
Medium
OA
String / Greedy
Common
20m
1y ago
Nov 2024
Calculate Truck Distance After Refueling
Medium
OA
Array / Prefix Sum
Common
20m
1y ago
Nov 2024
Calculate Efficiency Score
Hard
OA
Dynamic Programming / Stack / Greedy
Common
30m
1y ago
Nov 2024
Determine Minimum Characters to Append
Easy
OA
String / Two Pointers
Common
10m
1y ago
Nov 2024
Minimum Insertions to Make List a Subsequence (Amazon Germany :)
Medium
OA
Dynamic Programming / Array
Common
20m
1y ago
Nov 2024
Sum of Distinct Categories
Hard
OA
Array / Hash Table
Common
30m
1y ago
Nov 2024
Maximize Negative PnL Months
Medium
OA
Greedy / Heap / Prefix Sum
Very common
20m
1y ago
Nov 2024
Find Minimum Time Required (Amazon Bangalore :)
Medium
OA
String / Greedy / Hash Table
Common
20m
1y ago
Nov 2024
Maximum Quality Sum
Hard
OA
Greedy / Sorting / Heap
Common
30m
1y ago
Nov 2024
Reduce Memory Usage
Easy
OA
Array / Prefix Sum / Sliding Window
Common
10m
1y ago
Nov 2024
Find Encrypted Number
Medium
OA
Math / Combinatorics / Dynamic Programming
Common
20m
1y ago
Nov 2024
Get Smaller Items
Hard
OA
Prefix Sum / Binary Search / Sorting
Common
30m
1y ago
Nov 2024
Minimum Rooks in a Peaceful State (SDE 2, Phone Interview)
Medium
Phone
Matrix / Union Find / Graph
Common
20m
1y ago
Nov 2024
Count Dominant Substrings
Medium
OA
String / Sliding Window / Hash Table
Common
20m
1y ago
Nov 2024
Find Dominance
Medium
OA
Trie / String / Hash Table
Common
20m
1y ago
Nov 2024
Get Number of Perfect Packaging
Medium
OA
Dynamic Programming / Combinatorics
Common
20m
1y ago
Nov 2024
Calculate Warehouse Efficiency (Probably for Supply Chain related NG positions --Fungible-- :)
Medium
OA
Array / Greedy / Prefix Sum
Common
20m
1y ago
Nov 2024
Check Similar Passwords (Also for Fungile)
Medium
OA
String / Two Pointers
Common
20m
1y ago
Nov 2024
Get Max Racers 🍉
Medium
OA
Sliding Window / Hash Table
Common
20m
1y ago
Nov 2024
Get Max Discount Pairs
Easy
OA
Array / Hash Table / Math
Common
10m
1y ago
Nov 2024
Calculate Beauty Values
Medium
OA
Array / Sorting / Prefix Sum
Common
20m
1y ago
Nov 2024
Get Minimum Moves to Zero
Medium
Phone
Bit Manipulation / Greedy
Common
20m
1y ago
Nov 2024
Optimized Identifiers
Medium
OA
String / Two Pointers
Common
20m
1y ago
Nov 2024
Find Minimum Possible Variance
Medium
OA
Array / Hash Table
Common
20m
1y ago
Nov 2024
Regulate Temperatures
Hard
OA
Array / Greedy / Math
Common
30m
1y ago
Nov 2024
Maximize Partitions
Medium
OA
Array / Greedy / Bit Manipulation
Common
20m
1y ago
Nov 2024
Find Maximum Money (Fungible SDE 1 :)
Medium
OA
Prefix Sum / Sliding Window
Common
20m
1y ago
Nov 2024
Is Special Sequence
Medium
OA
String / Hash Table
Common
20m
1y ago
Oct 2024
Get Minimum Pen Drive Size
Medium
OA
Binary Search / Greedy / Sorting
Common
20m
1y ago
Oct 2024
Cleanup Dataset
Medium
OA
Greedy / Hash Table
Common
20m
1y ago
Oct 2024
Maximize Total Area of Rectangles (SDE 2)
Medium
OA
Sorting / Greedy / Math
Very common
20m
1y ago
Oct 2024
Get Minimum Watch Score
Medium
OA
Sliding Window / Hash Table
Common
20m
1y ago
Oct 2024
Maximize Similarity
Easy
OA
Array / Greedy / Math
Common
10m
1y ago
Oct 2024
Make All Elements Distinct (Amazon London)
Easy
OA
Array / Hash Table
Common
10m
1y ago
Oct 2024
Maximize Sum of Array
Medium
OA
Array / Greedy / Prefix Sum
Common
20m
1y ago
Oct 2024
Custom Sort String
Easy
OA
Sorting / Hash Table
Common
10m
1y ago
Oct 2024
Minimum Weekly Input (Planning Campaingns :)
Medium
OA
Dynamic Programming / Array
Common
20m
1y ago
Oct 2024
Get Max Programs
Medium
OA
Array / Binary Search / Greedy
Common
20m
1y ago
Oct 2024
Find Maximum Calories
Hard
OA
Array / Math / Greedy
Common
30m
1y ago
Oct 2024
Maximize Secondary Tasks Scheduling
Medium
OA
Greedy / Sorting / Two Pointers
Common
20m
1y ago
Oct 2024
Maximum Number of Days to Survive
Medium
OA
Greedy / Sorting
Common
20m
1y ago
Oct 2024
Get Minimum Time
Medium
OA
Array / Sorting / Greedy
Very common
20m
1y ago
Oct 2024
Find Requests in Queue
Medium
OA
Queue / Simulation
Common
20m
1y ago
Oct 2024
Get Max Alternating Music
Medium
OA
String / Sliding Window
Common
20m
1y ago
Oct 2024
Rate-Limiting Algorithm
Medium
OA
Greedy / Hash Table / String
Common
20m
1y ago
Oct 2024
Number of Suitable Locations
Medium
OA
Sorting / Binary Search / Prefix Sum
Common
20m
1y ago
Oct 2024
Get Minimum Number Of Bulbs Off
Medium
OA
Sorting / Greedy / Prefix Sum
Common
20m
1y ago
Oct 2024
Minimum Storage Capacity
Medium
OA
Array / Binary Search / Greedy / Two Pointers
Common
20m
1y ago
Oct 2024
Can Rearrange Binary String
Medium
OA
String / Greedy / Hash Table
Common
20m
1y ago
Oct 2024
Can Sort Permutation in Given Moves
Medium
OA
Math / Graph
Common
20m
1y ago
Oct 2024
Minimum Memory for Hard Drives
Medium
OA
Binary Search / Array / Greedy
Common
20m
1y ago
Oct 2024
Find Minimum Time to Create Beautiful Canvas
Hard
OA
Matrix / Binary Search / Prefix Sum
Common
30m
1y ago
Oct 2024
Minimum Value Calculation by Replacing '!' in a Binary String
Medium
OA
String / Dynamic Programming
Common
20m
1y ago
Oct 2024
Get Longest Substring
Medium
OA
String / Two Pointers
Common
20m
1y ago
Oct 2024
Maximum Charge After Removal
Hard
OA
Dynamic Programming / Array
Common
30m
1y ago
Oct 2024
Minimum Number of Increments on Subarrays to Form a Target Array
Easy
OA
Array / Greedy
Common
10m
1y ago
Oct 2024
Compute Encoded Product Name
Easy
OA
String / Sorting
Common
10m
1y ago
Oct 2024
Longest Perfect Anagrams
Hard
OA
String / Hash Table / Sliding Window
Common
30m
1y ago
Oct 2024
Get Sequence
Medium
OA
String / Hash Table
Very common
20m
1y ago
Oct 2024
Task Scheduler
Medium
OA
Greedy / Heap
Common
20m
1y ago
Oct 2024
Pack Items
Easy
OA
Array / Sorting / Greedy
Common
10m
1y ago
Oct 2024
Maximize Secondary Tasks Scheduled
Medium
OA
Greedy / Sorting / Two Pointers
Common
20m
1y ago
Oct 2024
Find Maximum Zeroes
Medium
OA
Array / Greedy
Common
20m
1y ago
Sep 2024
Get Longest Match
Medium
OA
String / Two Pointers
Common
20m
1y ago
Sep 2024
Find Days S2 Subsequence of S1
Hard
OA
String / Binary Search / Prefix Sum
Common
30m
1y ago
Sep 2024
Amazon Care Get Minimum Score
Medium
OA
Sliding Window / Hash Table / Array
Common
20m
1y ago
Sep 2024
Minimize Warehouse Transfer Cost
Hard
OA
Array / Prefix Sum / Greedy
Common
30m
1y ago
Sep 2024
Get Operations
Hard
OA
Array / Greedy / Sorting
Common
30m
1y ago
Sep 2024
Channels Max Quality
Medium
OA
Sorting / Greedy
Common
20m
1y ago
Sep 2024
Calculate Total Distance Travelled
Medium
OA
Array / Binary Search / Prefix Sum
Common
20m
1y ago
Sep 2024
Sort Permutation
Medium
OA
Math / Graph
Common
20m
1y ago
Sep 2024
Maximum Possible Racers
Medium
OA
Sliding Window / Hash Table
Common
20m
1y ago
Sep 2024
Distribute Packages
Medium
OA
Array / Greedy / Sorting
Common
20m
1y ago
Sep 2024
Minimize Sum of Distances to Warehouses
Medium
OA
Array / Dynamic Programming / Prefix Sum
Common
20m
1y ago
Aug 2024
Get Minimum Sum of Distances
Medium
OA
Array / Sorting / Dynamic Programming
Common
20m
1y ago
Aug 2024
Get Number of Teams
Easy
OA
Array / Two Pointers / Sorting / Binary Search
Common
10m
1y ago
Aug 2024
Find Minimum Pen Drive Capacity
Medium
OA
Array / Binary Search / Greedy / Two Pointers
Common
20m
1y ago
Aug 2024
Get Redundant Substrings
Hard
OA
String / Prefix Sum / Hash Table
Very common
30m
1y ago
Aug 2024
Find Minimum Pages Per Day
Medium
OA
Binary Search / Array
Common
20m
1y ago
Jul 2024
Find Encrypted Password (A.K.A Compute Encoded Product Name
Easy
OA
String / Sorting
Common
10m
1y ago
Jul 2024
Find Number of Ways to Group Parcels (Also for Amazon Japan)
Medium
OA
Hash Table / Math / Combinatorics
Common
20m
1y ago
Jul 2024
Assign Tasks to Servers
Easy
OA
Array / Heap
Common
10m
1y ago
Jul 2024
Get Active Requests Count
Medium
OA
Queue / Simulation
Common
20m
1y ago
Jul 2024
Schedule Requests to Servers
Medium
OA
Array / Greedy / Sorting
Common
20m
1y ago
Jul 2024
Make Array Bitonic
Hard
OA
Dynamic Programming / Array
Common
30m
1y ago
Jul 2024
Process Execution
Medium
OA
Sorting / Binary Search / Prefix Sum
Common
20m
2y ago
Jul 2024
Is Regex Matching
Hard
OA
Dynamic Programming / String / Parsing
Common
30m
2y ago
Jul 2024
Find Minimum Operations (It seems for FT in US but intern in CN)
Hard
OA
String / Greedy
Very common
30m
2y ago
Jul 2024
Process Queue
Medium
OA
Queue / Simulation
Common
20m
2y ago
Jul 2024
Min Total Errors
Medium
OA
String / Dynamic Programming / Greedy
Common
20m
2y ago
Jun 2024
Reverse Binary String with Minimum Shifts
Medium
OA
String / Two Pointers / Greedy
Common
20m
2y ago
Jun 2024
Get Max Points from Sprints
Hard
OA
Array / Sliding Window / Prefix Sum
Common
30m
2y ago
Jun 2024
Count Distinct Passwords
Hard
OA
String / Hash Table
Common
30m
2y ago
Jun 2024
Find Kth Minimum Vulnerability
Medium
OA
Sliding Window / Heap
Common
20m
2y ago
Jun 2024
Maximize Negative Signs
Medium
OA
Array / Greedy
Common
20m
2y ago
Jun 2024
Maximum Stability
Medium
OA
Sorting / Greedy
Common
20m
2y ago
Jun 2024
Maximize Subtree Product
Hard
OA
Tree / Dynamic Programming / Greedy
Common
30m
2y ago
Jun 2024
Rice Bags
Medium
OA
Hash Table / Dynamic Programming
Common
20m
2y ago
Jun 2024
Optimizing Box Weights
Easy
OA
Array / Sorting / Greedy
Common
10m
2y ago
May 2024
Find K-Level Permutation
Hard
OA
Array / Greedy
Common
30m
2y ago
May 2024
Compute Beauty of Array Products
Hard
OA
Array / Sliding Window / Segment Tree
Common
30m
2y ago
May 2024
Get Max Aggregate Temperature Change
Easy
OA
Array / Prefix Sum
Common
10m
2y ago
May 2024
Get Exp.
Easy
OA
Sorting / Hash Table
Common
10m
2y ago
May 2024
Get Minimum Number of Moves (A.K.A. Weight Lifting Equipments:)🍅
Easy
OA
Array / Greedy
Common
10m
2y ago
May 2024
Count Number of Retailers
Medium
OA
Sorting / Prefix Sum / Binary Search
Common
20m
2y ago
May 2024
Find Maximum Pairs
Easy
OA
Array / Sorting / Greedy / Two Pointers
Common
10m
2y ago
May 2024
Order Layout
Medium
OA
String / Sorting / Parsing
Common
20m
2y ago
May 2024
Find Number of Compatible Substrings
Medium
OA
String / Sliding Window / Hash Table
Common
20m
2y ago
Apr 2024
K-Repetitiveness Feature Value
Hard
OA
String / Sliding Window
Common
30m
2y ago
Apr 2024
Find Median of Subarray Uniqueness 🥑
Hard
OA
Binary Search / Sliding Window
Common
30m
2y ago
Apr 2024
Kth Smallest in Subarray 🍒
Medium
OA
Array / Sliding Window / Heap
Common
20m
2y ago
Apr 2024
Find Earliest Month 🍇
Easy
OA
Array / Prefix Sum
Common
10m
2y ago
Apr 2024
Maximum User Traffic
Easy
OA
Prefix Sum / Sorting
Common
10m
2y ago
Apr 2024
Max Lucky Numbers 🍅
Easy
OA
Math / Greedy
Common
10m
2y ago
Apr 2024
Get Maximum Pairs 🍉
Easy
OA
Array / Sorting / Greedy / Two Pointers
Common
10m
2y ago
Apr 2024
Counting Pairs
Easy
OA
Array / Hash Table
Common
10m
2y ago
Apr 2024
Maximize the Array Sum After Negating at Most K Elements 🥝
Medium
OA
Array / Greedy / Prefix Sum
Common
20m
2y ago
Apr 2024
Find Minimum Keypad Click Count (AMZ CN) 🥑
Medium
OA
Hash Table / Greedy / Sorting
Common
20m
2y ago
Mar 2024
Find Minimum Trips 🍌
Easy
OA
Hash Table / Greedy
Common
10m
2y ago
Mar 2024
Return Records 🥝
Easy
OA
Hash Table / Simulation / String
Common
10m
2y ago
Mar 2024
Count Faults
Easy
OA
Simulation / Hash Table / String
Common
10m
2y ago
Mar 2024
Get the Fewest Moves (~Operations~)~
Medium
OA
Array / Greedy / Math
Common
20m
2y ago
Mar 2024
Minimize Sum of Absolute Differences 🍉
Easy
OA
Array / Sorting / Greedy
Common
10m
2y ago
Mar 2024
Sign In Pages 🍊
Easy
OA
Hash Table / Simulation / String
Common
10m
2y ago
Mar 2024
Lexicographically Smallest Palindrome Possible 🍊
Medium
OA
String / Two Pointers / Greedy
Common
20m
2y ago
Mar 2024
Sort Product Codes 🍑
Easy
OA
Sorting / String / Hash Table
Common
10m
2y ago
Mar 2024
Find Maximum Number of Batches
Medium
OA
Array / Greedy / Sorting
Common
20m
2y ago
Mar 2024
Find P-Matching Score
Medium
OA
String / Hash Table / Sliding Window
Common
20m
2y ago
Mar 2024
Find P-Matching Score
Medium
OA
String / Hash Table
Common
20m
2y ago
Mar 2024
Get Minimum Round Trip Cost
Easy
OA
Array / Prefix Sum / Two Pointers
Common
10m
2y ago
Mar 2024
Group 1 Win Count
Medium
OA
Sorting / Binary Search
Common
20m
2y ago
Mar 2024
Maximize Final Element
Easy
OA
Greedy / Sorting
Common
10m
2y ago
Mar 2024
Maximize the Array Value
Medium
OA
Array / Greedy
Common
20m
2y ago
Mar 2024
Maximum Number of Products You Can Pick
Hard
OA
Dynamic Programming / Array
Common
30m
2y ago
Mar 2024
Maximum Possible Charge
Hard
OA
Dynamic Programming / Array
Common
30m
2y ago
Mar 2024
Number of Duplicates
Easy
OA
Hash Table / Array
Common
10m
2y ago
Mar 2024
TikTok Video Relevance Adjustment
Medium
OA
Binary Search / Greedy
Common
20m
2y ago
Mar 2024
Maximum Times Word Removed
Easy
OA
String / Hash Table
Common
10m
2y ago
Mar 2024
Get Min Cost Data 🍊
Medium
OA
String / Greedy / Hash Table
Common
20m
2y ago
Feb 2024
Get Mean Rank Count 🍓
Hard
OA
Array / Hash Table / Prefix Sum
Common
30m
2y ago
Feb 2024
Fortune Telling 🍒
Hard
OA
Sliding Window / Sorting / Greedy
Common
30m
2y ago
Feb 2024
Find Largest Set of Onion Bags 🍑
Medium
OA
Array / Hash Table / Math
Common
20m
2y ago
Feb 2024
Find Recurring Names
Easy
OA
Hash Table / Sorting / String
Common
10m
2y ago
Jan 2024
Find Unique Values
Easy
OA
Sorting / Hash Table
Common
10m
2y ago
Jan 2024
Get Discount Pairs 🍊
Easy
OA
Array / Hash Table / Math
Common
10m
2y ago
Jan 2024
Count Maximum Profitable Groups 🍑
Medium
OA
Array / Stack
Common
20m
2y ago
Jan 2024
Minimum Time Spent 🍉
Medium
OA
Greedy / Sorting / Binary Search
Common
20m
2y ago
Jan 2024
Get Average Standing 🍑
Medium
OA
Array / Sorting / Math
Common
20m
2y ago
Dec 2023
Location Of Data After Transfers
Easy
OA
Hash Table / Sorting
Common
10m
2y ago
Dec 2023
Erase Pairs 🍇
Medium
OA
Stack / String
Common
20m
2y ago
Dec 2023
Count Num Ways 🍒
Medium
OA
String / Two Pointers
Common
20m
2y ago
Nov 2023
Get Minimum Cost 🍒
Medium
OA
Heap / Greedy
Common
20m
2y ago
Nov 2023
Count Max Num Teams 🥝
Easy
OA
Array / Sorting / Sliding Window
Common
10m
2y ago
Sep 2023
Count Spikes 🍓
Medium
OA
Array / Sorting
Common
20m
2y ago
Aug 2023
Dropped Requests 🍋
Medium
OA
Sliding Window / Array
Common
20m
2y ago
Jul 2023
Remove Anagram 🍋
Easy
OA
String / Hash Table / Sorting
Common
10m
2y ago
Jul 2023
Amazon Execute Processes (a.k.a. AWS Processor)
Medium
OA
Array / Hash Table / Simulation
Common
20m
3y ago
Jul 2023
Find Number of Possible Unique Strings 🍏
Hard
OA
String / Math
Common
30m
3y ago
Mar 2023
Get Priorities after Execution 🥭
Hard
OA
Heap / Hash Table / Simulation
Common
30m
3y ago
Jan 2023
Max Book Copies 🫐
Medium
OA
Hash Table / Heap
Common
20m
3y ago
Jan 2023
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