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Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
- 9403
- Questions
- 546
- Companies
- 11
- Topics
- 8
- Languages
Showing 1771–1800 of 4616 results
- GoogleMediumSoftware EngineerFind A Threshold-Limited Path With Minimum Required Safety
Find the minimum security clearance needed to travel between two nodes in a graph where edges exceeding a given latency threshold cannot be used.
Coding & AlgorithmsTechnical ScreenGraphDijkstraHeap - GoogleMediumSoftware EngineerFind Containing Range
This problem tests your ability to optimize interval lookup operations by preprocessing data into an efficient search structure to handle containment queries in sub-linear time.
Coding & AlgorithmsTechnical ScreenIntervalsData StructuresBinary Search - GoogleHardSoftware EngineerFind Dictionary Matches for a Jammed String
This problem tests your ability to normalize input strings by grouping consecutive identical characters and efficiently searching a dictionary for potential word matches.
Coding & AlgorithmsTechnical ScreenStringsRun-Length EncodingPreprocessing - GoogleMediumSoftware EngineerFind Minimum Rooms Needed
Tests interval processing, sorting, and tracking concurrent overlapping ranges using heaps or two-pointer sweep-line techniques.
Coding & AlgorithmsTechnical Screenintervalssortingheap - GoogleMediumSoftware EngineerFind a Horizontal Cut That Bisects Rectangle Area
Tests computational geometry and algorithmic efficiency by finding a horizontal line that bisects the total area of non-overlapping rectangles using sweep-line or binary search techniques.
Coding & AlgorithmsTechnical Screengeometrysweep-linebinary-search - GoogleEasySoftware EngineerFind k pairs with smallest sums
This question evaluates algorithmic problem-solving with ordered data structures, specifically understanding how to combine two sorted arrays efficiently, priority-queue or merge-based reasoning, and time/space complexity analysis in the coding and algorithms domain.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerFind longest increasing contiguous subarray
This problem tests your ability to use a sliding window or linear scan approach to identify contiguous subarrays and your capacity to optimize for a single modification to extend an existing sequence.
Coding & AlgorithmsTechnical ScreenArraysSliding WindowGreedy - GoogleHardSoftware EngineerFind maximum value in huge text file
This question evaluates a candidate's ability to design memory-efficient streaming algorithms and parallel processing strategies for extremely large files, covering skills in external-memory algorithms, file I/O, concurrency, and correctness under resource constraints.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerFind median of merged RLE arrays
This problem tests your ability to find the median of two sorted, run-length encoded arrays without fully decompressing them, focusing on efficiency and pointer manipulation.
Coding & AlgorithmsTechnical ScreenArraysTwo PointersRun-Length Encoding - GoogleMediumSoftware EngineerFind mode in a trinary search tree
This question evaluates a candidate's understanding of tree data structures and frequency analysis, focusing on handling a trinary search tree variant and determining mode values across possibly large datasets.
Coding & AlgorithmsTechnical Screen - GoogleHardSoftware EngineerFind numbers with exactly two sum-of-squares forms
This problem tests knowledge of the sum-of-two-squares theorem and efficient counting of integer partitions into two squares, requiring an understanding of number theory or optimization via circle/grid search.
Coding & AlgorithmsTechnical ScreenNumber TheoryBrute ForceOptimization - GoogleHardSoftware EngineerFind secret word with match-count feedback
This question evaluates algorithmic reasoning and inference from constrained feedback, testing skills in information-theoretic deduction, pattern matching, and search strategy within a bounded-query interactive setting.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerFind shared objects across two log files
This question evaluates the ability to design efficient algorithms and data-processing strategies for identifying shared object identifiers across large log files, testing skills in streaming processing, set membership handling, and external-memory algorithm reasoning.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerFind shortest relationship path using BFS
This problem tests your ability to model a relationship network as a graph and implement Breadth-First Search (BFS) to find the shortest path length between two nodes.
Coding & AlgorithmsTechnical ScreenGraphBFSShortest Path - GoogleMediumSoftware EngineerFind shortest subarray with at least k distinct
This problem tests your ability to use the sliding window (two-pointer) technique combined with hash maps to find an optimal subarray satisfying a frequency constraint.
Coding & AlgorithmsTechnical ScreenSliding WindowHash MapArrays - GoogleMediumSoftware EngineerFind shortest subarray with ≥k distinct integers
This question tests the ability to solve subarray problems using the sliding window (two-pointer) technique and hash maps to track element frequencies.
Coding & AlgorithmsTechnical ScreenSliding WindowTwo PointersHash Map - GoogleMediumSoftware EngineerFind the Largest Monotone Increasing Number
Tests greedy algorithms, digit manipulation, and boundary handling to find the largest number less than or equal to n with non-decreasing decimal digits.
Coding & AlgorithmsTechnical Screengreedymathstring - GoogleHardSoftware EngineerFind the Longest Straight Run of One Color
Tests grid traversal and dynamic programming to find the maximum consecutive sequence of identical elements along horizontal, vertical, and diagonal lines.
Coding & AlgorithmsTechnical Screenmatrixdynamic-programmingarray - GoogleMediumSoftware EngineerFind the Most Frequent IP Addresses in a File Too Large for Memory
Find the ten most frequent normalized IP addresses with cutoff ties preserved, first in memory and then exactly through disk partitioning, per-partition aggregation, global thresholding, and skew handling.
Software Engineering FundamentalsTechnical Screen - GoogleMediumSoftware EngineerFind where to cut cake into equal areas
This problem tests your ability to model a geometric area as a function and solve for a specific threshold using a binary search or linear sweep approach.
Coding & AlgorithmsTechnical ScreenGeometryArraysPrefix Sums - GoogleMediumData ScientistGenerate Samples from Truncated Normal Distribution
Evaluates truncated normal distribution fundamentals and sampling methods for lower-tail truncation. Strong answers name the lower-truncated normal, provide the PDF and CDF, and compare inverse-CDF, rejection, and tail-efficient samplers.
Statistics & MathTechnical Screen - GoogleMediumData ScientistGenerate Uniform Samples and Estimate Percentiles
This problem tests the ability to generate uniform spatial samples using standard random functions and the mathematical application of linear interpolation for percentile estimation from binned data.
Statistics & MathTechnical ScreenProbabilityStatisticsInterpolation - GoogleMediumSoftware EngineerHandle Teammate Who Feels Pressured
This question evaluates interpersonal communication, conflict resolution, and leadership competencies, focusing on handling underperformance and interpersonal tension within a technical team.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandle conflict, priorities, and ownership scenarios
This prompt evaluates behavioral leadership competencies—conflict resolution, stakeholder management, prioritization under tight deadlines, ownership and accountability, and the ability to synthesize differing perspectives—within a software engineering context.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandle teamwork, prioritization, and feedback scenarios
This question evaluates teamwork, prioritization, conflict resolution, mentoring, feedback delivery, and time-management competencies for a software engineering role in the Behavioral & Leadership category.
Behavioral & LeadershipTechnical Screen - GoogleHardSoftware EngineerHandle two teams duplicating work
This question evaluates leadership competencies such as cross-team communication, stakeholder alignment, prioritization, and conflict-resolution skills.
Behavioral & LeadershipTechnical Screen - GoogleMediumProduct ManagerHandling Unclear Communication
Practice answering a behavioral prompt about clarifying unclear names or questions in remote meetings. The guide gives respectful exact language, proactive meeting setup, paraphrase-and-confirm techniques, chat and caption usage, large-meeting flow control, and recovery when you answered the wrong question.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandling an Ambiguous "Family Tree" Prompt
This question evaluates a candidate's competency in handling ambiguous requirements, focusing on requirement elicitation, clarification, incremental delivery, documentation, and risk management within a family-tree prompt.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHow Would You Verify a Smiling-Face Detection Feature in Google Photos?
A role-related question for software engineers: if your feature detects smiling faces in Google Photos, how would you verify that the detection is correct? It tests defining ground truth, choosing evaluation metrics and thresholds, covering hard cases and demographic slices, and validating the feature before and after launch.
Machine LearningTechnical Screen - GoogleMediumSoftware EngineerHow You Handle a Project With Unclear Scope and High Ambiguity
A behavioral question asks how you handle a project whose scope is unclear or highly ambiguous. It tests how you clarify goals with stakeholders, decide which unknowns to resolve first, make progress on documented assumptions, communicate changes, and back your approach with a real example.
Behavioral & LeadershipTechnical Screen
Google