1.设计一个list
2.设计一个数据结构
3.Generating All Full Binary Trees with N Nodes
4.Word Search II on a Board
5.Length of strings
6.Union
7."Flood Fill Algorithm"
8."Pattern Matching with Insertions"
9.Palindrome Number Check
10.Counting Primes Less Than N
11.Sudoku_Solver
12.Text Justification Algorithm
13.Multi-threaded Summation of Segments
14.Design Amazon Shopping Cart
15.Design an LRU Cache
16.Swap two variables without using a third variable
17.Print elements from the array alternatively
18.Write a regular expression and convert bytes to string without looking up resources
19.Red Infrared Detectors and Diamond Theft Problem
20.Valid Signal in Timing Path
21.Timing Path Analysis
22.Congestion Resolution in Physical Design
23.Static Timing Analysis (STA) Concepts
24.Logic Synthesis Optimization Methods
25.Temperature-Dependent Timing Violation
26.Asynchronous vs Synchronous Reset
27.Finite State Machine (FSM) Design
28.Binary to Gray Code Conversion
29.MUX-based Logic Gates
30.Logic Gate Representation
31.Design an LLM RAG Based System
32.Design an ML Training Platform
33.Coding Problems LC478 and LC565
34.System Design similar to Outlook
35.Resume Discussion and Coding Problem LC390
36.System Design similar to YouTube
37.Code Review for OOD Game
38.IP to Domain Name Mapping
39.Course Schedule Problem
40.Short coding exercise focusing on programming in Python
41.LRU Cache Implementation
42.Implement a String Class with Iterator Function Without Using Libraries
43.Code Review and Optimization
44.Implement a Thread Pool and Analyze Optimization
45.System Design and Object Detection Questions
46.Data Structure Class Design
47.Analyze and Optimize Training Code
48.Implement Batch Normalization
49.Find Anagrams
50.Design Your Own Redux Store
51.BFS for City Stops Problem
52.Elevator System Design
53.Linked List Operations
54.Throttle Function Implementation
55.Palindrome Verification
56.Discuss a project from your resume that the hiring manager finds interesting, including challenges faced.
57.Solve a complex, multi-step graphics-related problem.
58.Describe a system you have implemented and how you would present it to a colleague who is taking over.
59.Discuss your knowledge of C++ basics, graphics, and animation.
60.Outline the types of questions and discussions you had with different interviewers during the Apple (Mystery Product) System EE onsite interview.
61.Discuss the technical and behavioral questions you encountered during the Apple iPhone (Analog) System EE interview process.
62.Explain the role and responsibilities of a system EE within a team that handles hardware planning, mainboard design, and product validation.
63.Describe the process and considerations for integrating a camera sensor and SoC into a PCB for a product that requires photography capabilities.
64.Sorting Algorithm Explanation
65.Binary Tree Traversal
66.Memory Management in C++
67.General Characteristics of 3D Rotation Matrix
68.Identify the Rotation Matrix
69.Characteristics of 3D Rotation Matrix
70.3D Mathematics - Dot and Cross Product
71.Find the next multiple of 8
72.Hexadecimal representation
73.Calculate the power of 2
74.Merge Intervals
75.Design an Elevator Management System
76.Design a Distributed Delay Queue
77.Implement LRU Cache
78.Design a Payment System
79.Design a Counter Class
80.Design a Rate-Limiting System
81.Design a System for Searching Images
82.Binary Tree Row-wise Sorting
83.Implement a Queue Class
84.Understanding of High Concurrency and Redis Solution
85.Top K Timestamps from Data Stream
86.Implement a class for data stream average calculation
87.Designing 'Find My Friends' Backend Service
88.3Sum Less Than Target
89.Tic Tac Toe Win Condition
90.Command Set Processing
91.Interesting Course
92.Favorite Programming Language
93.Binary Tree 2-Sum
94.Array Sorting and Deduplication
95.Implement a Box Filter in C++
96.Bitwise Operation to Swap Even and Odd Bits
97.Implement a Hash Map in C
98.Design a Data Structure for Image Compression
99.Number of Continuous Pixel Value Regions
100.System Design for Data Validation
101.System Design for Log Collection and Error Diagnosis
102.Interval Merge Coding Problem
103.Design a JSON Structure for API Data Transmission
104.LeetCode Easy Problem
105.Explain Spring Boot related concepts
106.Discuss Java 8 features
107.Prefix Sum Problem
108.Code Review Exercise
109.Database Schema Design for a Subscription Feature
110.Least Recently Used (LRU) Cache Implementation
111.Dynamic Programming Problem
112.Longest Line of Points in 2D Space
113.Sliding Window Problem
114.Binary Search Problem
115.Find the First Index in a Sorted Array with Repeated Values
116.Print Leaf Node Values
117.Python Coding Challenge
118.Design a Weather Prediction System
119.Code Review for Merging Two Sorted Arrays
120.System Design for Large-scale Word Ladder
121.Merge K Sorted Lists
122.LRU Cache Implementation
123.Airline Ticket Cost Estimation Tool
124.Test Case Design: Testing a Specific App Page
125.Troubleshooting: QA Environment Down, Browsers Not Affected
126.Problem-Solving: Finding the Unique Number in an Array
127.Problem-Solving: Identifying the Odd Image Out
128.Design Question: How to Test a Pen
129.Check if two strings are anagrams.
130.Java Iterator Implementation with Skip Feature
131.Trie Search with Graph Output
132.Sentence Permutations
133.2D Matrix Word Search
134.2D Matrix Transpose
135.Array Permutation
136.Linear Algebra Knowledge
137.3D Mathematics Knowledge
138.C++ Knowledge and Implementation
139.Implement a JSON Parser
140.Design ML Feature Store
141.Design Airflow
142.Design an Uber dynamic pricing system
143.Types of Control Flow in Java
144.TCP Handshake Process
145.HTTP Return Codes
146.Thread vs Process
147.Differences between TCP and UDP
148.Implement getExponent Function
149.Prime Factorization with a Given List of Primes
150.Implement Trie with Frequency-Based Top N Words
151.Design a File Scanning System
152.Design a Thread-Safe HashMap
153.Implement a Search Function
154.Function to Check Prime Number
155.Implement a Least Recently Used (LRU) Cache
156.System Design for URL Shortener
157.Generate a Mock JSON Response Based on a Given JSON Schema
158.Find the maximum value in each row of a tree
159.Identify and resolve deadlock in code
160.Design a kernel with energy constraints and real-time constraints
161.Difference between mutex and semaphore
162.Most Frequent Pattern in a Sentence
163.Fibonacci Sequence Algorithm
164.Wired/Pinned Pages
165.Page Sizes and Their Trade-offs
166.Process vs. Threads
167.Worker Thread Quantity for User Demand
168.Multicore Scheduling Methods
169.Preventing Priority Inversion
170.Ensuring Critical Tasks Run in Kernel
171.Differences Between Preemptive and Cooperative Scheduling
172.Scheduling Quantum Design Considerations
173.Describe interrupts and when to mask them
174.Job Scheduler System Design
175.Ring Cache Implementation
176.String Justification
177.Sort an Array with Two Distinct Elements
178.Application Response to Mouse Actions
179.Mouse Click Application Detection
180.Mouse Interaction Without Interrupts
181.Operating System Layers
182.Mouse Movement Mechanism
183.Minimal Truck Weight Optimization
184.Explain the Kogge-Stone adder and logic effort for gate sizing.
185.Discuss methods to reduce circuit power consumption.
186.Explain bandgap reference and its applications.
187.Discuss the behavior of MOSFET current at different temperatures and the effect of gate voltage on total capacitance.
188.Identify and explain various bias circuits.
189.Describe the differences between a folded cascode amplifier and a telescopic amplifier.
190.Explain basic CMOS physics and current equations.
191.Topological Traversal of a Graph
192.Detail the pass manager
193.Explain data flow analysis
194.Discuss the projects listed on your resume
195.Service for Image Search
196.Design a file system
197.Implement message passing between computers
198.Implement a Module from a Given Paper
199.Design Functions for a Directed Graph
200.Bipartite Graph Determination
201.Debugging Approach
202.Hash Table Implementation
203.Migrate a Local Project to Production
204.Design a Service to Push High Priority Jira Bug Tickets to Slack
205.Design a Service Similar to GitHub Focusing on Infrastructure
206.Design a System to Validate a Poker Card Shuffle
207.Generate Random Email and Phone Numbers
208.Troubleshoot a Subnet ACL Issue
209.Design a Feature for Synchronizing Wi-Fi Passwords Between Mac and iPhone
210.How do you handle hashcode collisions in a hashmap?
211.How is a mutable array implemented?
212.What is a race condition?
213.What is a deadlock and how can you create one?
214.Generate All Permutations of a List with Constraints
215.Implement Red-Black Trees and Hashmaps
216.Implement Negative Cache
217.Implement a Deadlock
218.Algorithm Problem Solving
219.Explain a Rotation Matrix
220.Vector Rotation with a Rotation Matrix
221.Meaning Behind Dotting Two Vectors
222.Store and Find Unique Binary Files
223.Design a Package Manager Tool
224.Simulate an Interpreter with Edge Case Handling
225.Task Scheduler Optimization
226.Count Valid Examples Based on Rules
227.Handle Edge Cases in Kth Largest Element Algorithm
228.Implement a Tail Command for Large Files
229.Trie Implementation and Result Deduplication
230.String Character Frequency Comparison
231.LRU Cache Scaling
232.System Design for Task Assignment
233.Compare Version Numbers
234.2Sum Problem
235.Sort a list of strings representing numbers
236.Describe Signal Handlers
237.Explain Virtual Memory
238.Reverse a Linked List Using Iterative Method
239.Diagnosing Long-Running Reduce Jobs in MapReduce
240.Ensuring Key Consistency in Shuffling for MapReduce
241.Calculating RF Feedback
242.Deriving DSP Feedback Loop
243.Sensor Specification Assessment
244.Implementing LPF with Switched Capacitor and Probe Compensation
245.Measuring Capacitance and Designing RF Spectrum Analyzer
246.LED Driver Output Current Control
247.Analyze an Amplifier Circuit
248.Memory Offset Copy
249.Nested Dictionary Element Access
250.C Code Data Alignment Issue
251.Palindrome Problem
252.Differences between semaphore and mutex
253.Differences between git merge and rebase
254.Experience with Memory Overflow
255.Memory Leak Identification and Prevention
256.Differences between stack and heap in terms of data structure
257.Top K Largest Numbers in a Stream
258.Word Search 2 Implementation with an Additional Data Structure
259.URL Shortening Service
260.Autocomplete System Design
261.Suffix Array Problem
262.Debugging with GDB
263.RC Network Step Response and Pole-Zero Analysis
264.Feedback & Non-linearity in Circuits
265.Sample and Hold Circuit Noise Behavior
266.Analyze Current Bias Common Stage Output Noise
267.Longest Valid Parentheses
268.Jump Game Variant: Minimum Jump Steps
269.Substring Removal from a String
270.Processing Large Files That Do Not Fit in Memory
271.Sentence Reversal by Words
272.Path Counting in a Grid
273.Permutations with Duplicates Optimization
274.Design a Bookshelf System
275.Two Sum Problem
276.Number of Islands
277.Reverse Words in a String
278.Describe the operation of an opamp circuit with specific configurations and sketch the transfer function versus frequency without using equations.
279.Squares of a Sorted Array
280.Unique Number of Occurrences
281.Valid Parentheses
282.Implement Heap Constructor and Add Function
283.Design a Parking Lot using Object-Oriented Design
284.Anagram Strings Function in Python
285.Find Index with Equal Sum on Both Sides
286.Storing JSON Files
287.ArrayList Addition
288.Reverse an ArrayList
289.Code Review and Software Engineering Best Practices
290.Derivative and Gradient Descent Implementation
291.Android Unlock Patterns
292.Refactor Rock-Paper-Scissors Code
293.Explain the purpose and usefulness of the circuit
294.Calculate the time for Vx to settle and the time constant
295.Determine the settled value of Vx(t) as time approaches infinity
296.Sketch the voltage Vx(t) over time
297.Describe the operation of the given circuit
298.Coding Questions
299.Objective-C Knowledge
300.Calculator Implementation
301.Design a Mobile API for Backend Interaction
302.Design a Data Structure with O(1) Operations
303.Design an Online Book Reader App
304.Solve a deadlock problem using concurrency
305.Implement a bitmap using C
306.Intersection of Two Arrays Using Binary Search
307.Explanation and examples of testing frameworks
308.Identifying problems in images
309.Challenges in depth mode for camera systems
310.Identify potential issues with Face ID technology
311.Object-Oriented Concepts in C++
312.ASIC Flow and Digital Verification Concepts
313.Understanding of CPU Pipeline and Timing Analysis
314.Verilog Design and Testbench Creation
315.Design a Transistor Level Circuit
316.Explain Leakage Power and Timing Analysis in VLSI and CMOS
317.Power Consumption in Circuits
318.Sense Amplifier Design and Offset
319.Discuss Bandgap Reference
320.Explain GIDL and its relationship with threshold voltage changes
321.Optimize Algorithm Performance
322.RTOS Synchronization
323.Designing Data Handling for Limited SPI Interrupts
324.Writing an Interrupt Service Routine (ISR)
325.Utilizing SP and PC Register Information
326.Debugging a System with Occasional Hangs
327.Embedded System Interrupt Procedure
328.Understanding Hex Number Layout in Memory
329.Explain big endian and little endian.
330.Where is a static variable saved in memory?
331.Golf Puzzle
332.Frequency Divider Flip-Flop Connection Issue
333.Minimum Gate Resistor Value Calculation
334.Difference Between Flip-Flop and Latch
335.Battery Management System (BMS) Modules
336.Design Problem: Battery Voltage Level Cut-off
337.Determining ADC Sampling Frequency
338.Switching Loss in Buck Converter
339.Identify Op-Amp Configuration
340.RC Charging Step Response
341.Function and Calculation of ADC
342.Explain Inverting and Non-Inverting Op-Amps
343.How would you design a text editor that supports input, deletion, and cursor movement?
344.What is the difference between inheritance and composition?
345.What is Endianness?
346.How would you debug a slow-loading webpage?
347.What is the result of a binary number XORed with itself?
348.What happens after you enter a URL in the browser?
349.Coding and OOP Design Question from Apple Interview
350.Implementing a Hash Map
351.Permutation (In Place)
352.Discuss your experience with C++ and related concepts.
353.Discuss your approach to building and optimizing engineering projects.
354.Explain How Hashmap Works
355.Debugging High Latency in a Service
356.Design a Key-Value Store
357.Number of Islands
358.Front-end System Design: Apple Contacts List
359.Front-end System Design: Auto-complete Search Box
360.Front-end Coding Challenge
361.Understanding Mipmaps
362.Basics of Computer Graphics
363.Implementation and Application of Queues
364.Displacement of Water by a Stone
365.Closed Room with an Operating Refrigerator
366.Temperature Selection for Heat Treatment
367.Material Selection for Structural Support
368.Rotational Force Balance
369.Stress-Strain Curve Analysis
370.Torsion Balance on a Rod
371.Design and Stress Analysis for Mobile Devices
372.Technical Fundamentals Assessment
373.iPod Battery Door Design
374.Mechanical Property Exploration of Laminated Sheets
375.Design a Home Button Mechanism
376.Humanize Byte Function Implementation
377.Reverse String with Ordered Digits
378.Pseudocode for Python dictionary keyword search.
379.Impact of buffering the clock or adding delay to the master latch's clock on setup-hold time requirements.
380.Describe the operation of a master-slave latch flip-flop.
381.Compare the delay and Elmore delay of a NAND2 and a NAND5 sized with the same transistor width.
382.Effects of setting all MOS transistors to the same width in a NAND5.
383.Sizing a NAND2 for a balanced inverter with a given PN ratio.
384.Plot the Vout-Vin curves for an inverter with a weaker NMOS and explain the changes.
385.Plot the Vout-Vin curves for an inverter as described previously.
386.Describe the MOS operation region transition for an inverter with rising input.
387.Software Testing Engineer for FaceID
388.System Testing Engineer Questions
389.Communication Certification Engineer Questions
390.Bluetooth Protocol Knowledge
391.Develop WiFi Test Cases
392.Design a Testing Framework
393.Object-Oriented Programming in Data Science Interviews
394.Multithreading Problem - LeetCode 1115
395.Difference Between Thread and Process
396.HashMap Find Repeat Element
397.Minimizing Random Error Due to Mismatch in Current Mirror
398.Reducing Systematic Error in Current Mirror
399.Phase Inversion Phenomenon in BJT Input Pair
400.Voltage Waveform in NMOS Common Source
401.RC Network Voltage Change
402.Implementing std::function
403.C++ Library Development Considerations
404.Why are matrix operations faster on a GPU than a CPU?
405.Why is C faster than Python?
406.Design a Job Scheduler
407.Maximum Sum Rectangular Submatrix
408.Palindrome Subsequence Count
409.Traditional Computer Vision Problems
410.Graph Coloring Problem
411.Zigzag Iterator
412.iMac Display Stand Design
413.Cantilever Beam Improvement
414.Minimum Height Trees
415.LRU Cache Implementation
416.Decode String
417.Endianness Detection Code
418.Multi-core Load Balance Implementation
419.Multi-thread and Multi-core Related Questions
420.Improving Image & Video Quality
421.Computer Vision with Random Variables
422.Computer Vision Coding Challenge
423.Design an Autocomplete System
424.Design a Data Structure for Storing and Indexing 2D Coordinates of Stores
425.Python and C++ Basic Concepts
426.System Design Concepts
427.Python Dictionary Key Issue
428.Find the Cycle in a Graph
429.Meeting Room Scheduling
430.Work-related Scenario Question
431.Find 2nd Largest Number in an Array
432.Describe the deployment process for CI/CD and the different deployment methods.
433.Find the First Unique Element in an Array
434.Finite State Gradient Function
435.Simple Triangular Shape Print
436.Debugging a Website Access Issue
437.Object-Oriented Design for Chess Game
438.System Design for Data Visualization
439.System Design for Log Collection
440.Tic-Tac-Toe Board Evaluation
441.Design a Language Model Similar to a Deck of Cards
442.Longest Substring Without Repeating Characters
443.How to securely store user keys for encrypted transmission without exposing the actual keys?
444.Deadlock Explanation and Resolution
445.Considerations for a Read-Heavy System
446.Panorama Photo Stitching Implementation
447.Implement Image Histogram
448.Optimize Box Filter Using Metal
449.Implement Box Filter in C
450.Implement 2D Image Convolution in C
451.Return K Shortest Phonetic Combinations
452.Detect Invalid Input Using Trie
453.LeetCode Dice Roll Simulation
454.Java Iterator Usage
455.Kernel-Related Questions
456.Concurrency Concepts
457.Sliding Window Technique
458.Clone Graph Problem
459.Image Processing and Filtering Techniques
460.Design a Car Rental System
461.Minimum Number of Treats to Take in a Given Time
462.Minimum Number of Treats to Take in Given Time
463.Technical Questions on Mechanical Engineering
464.Design Challenge: Battery Door
465.Describe your proudest mechanical project
466.Simplified Inversion Pair Problem
467.Inverse Function Character Compression
468.Character Expansion
469.Design a Search Recommendation System
470.Longest Increasing Subsequence with Gap Constraint
471.Find the Largest Palindromic Number
472.Implement an on-disk key-value store with specific features
473.Understanding of Computers
474.Algorithm Trade-offs in Memory-Constrained Environments
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