Coding & Algorithms interview questions

Showing 2371–2400 of 3276 results

• Implement Election Report and Banking PipelineHard

  This multipart question evaluates data engineering competencies including SQL report design for complex aggregation and ranking, plus PySpark-based ETL and transaction-level analytics.

  Point72Data EngineerCoding & AlgorithmsOnline Assessment
• Implement Portfolio Trading OptimizerHard

  This question evaluates algorithmic problem-solving, array processing, input validation via decorators, and the ability to produce concise transaction reports for maximizing non-overlapping buy/sell profits.

  Point72Data EngineerCoding & AlgorithmsTechnical Screen
• Implement composition and mixin utilitiesHard

  This problem tests proficiency in functional composition, Python metaclass/decorator patterns, and custom serialization logic, focusing on handling flexible arguments and object introspection.

  Point72Data ScientistCoding & AlgorithmsOnline Assessment
• Maximize Fixed Positions After DeletionsHard

  This problem tests your ability to use dynamic programming and data structures to maximize elements in a subsequence that align with their new indices after removing elements.

  Point72Software EngineerCoding & AlgorithmsOnline Assessment
• Maximize outfits with distinct colorsMedium

  This question evaluates competency in combinatorial optimization and constrained resource-allocation algorithms, along with analysis of time and space complexity and robustness to skewed input distributions and edge cases.

  Point72Data ScientistCoding & AlgorithmsTechnical Screen
• Simulate a Deterministic Finite AutomatonHard

  Implement and run a Deterministic Finite Automaton (DFA) simulator that parses state transitions over a binary alphabet and determines if input strings are accepted.

  Point72Software EngineerCoding & AlgorithmsOnline Assessment
• Solve SQL and PySpark Data TasksEasy

  This question tests your ability to handle data cleaning, filtering, and aggregation using both SQL and PySpark syntax on a transaction dataset.

  Point72Data EngineerCoding & AlgorithmsOnline Assessment
• Implement a Min-Heap with Insert and Remove-MinMedium

  Implement a binary min-heap from scratch using a zero-indexed array, supporting insertion, peek, and extraction of the minimum element in logarithmic time.

  Pony.AiSoftware EngineerCoding & AlgorithmsTechnical Screen
• Count All-One Square SubmatricesMedium

  Tests dynamic programming and 2D grid traversal skills by counting the total number of square submatrices filled entirely with ones.

  PurestorageSoftware EngineerCoding & AlgorithmsTechnical Screen
• Determine whether points form squaresMedium

  This question evaluates computational geometry, combinatorial counting, and algorithmic optimization skills by requiring validation of a non-degenerate square from four 2D integer points and counting distinct squares in a larger point set, and it falls under the Coding & Algorithms category.

  PurestorageSoftware EngineerCoding & AlgorithmsOnsite
• Compute the Diameter of an Undirected TreeMedium

  Compute the diameter of a large undirected tree, measured by the number of edges on its longest simple path. The exercise tests adjacency construction, linear-time tree traversal, endpoint reasoning, recursion-depth awareness, and edge cases such as a single-node tree.

  QualcommSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find the First Bad Version in a Monotonic Release HistoryMedium

  Find the earliest bad entry in a monotonic release history, returning -1 when every version is good. This compact coding prompt tests boundary-safe binary search, empty and all-good inputs, first-element failures, loop invariants, and logarithmic performance on histories with up to a million versions.

  QualcommSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement A* Maze SearchMedium

  This question evaluates proficiency in informed search algorithms, heuristic design (admissibility), grid-based graph traversal, path reconstruction, and time/space complexity analysis.

  QualcommSoftware EngineerCoding & AlgorithmsTechnical Screen
• Compute expected days until no whole pillsHard

  This problem tests your ability to model a stochastic process using a system of linear equations and solve it using expectation theory.

  Qube Research & TechnologiesSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement flat_map and design wealth redistributionMedium

  This question evaluates low-level data structure implementation skills (designing an associative flat_map with sorted dynamic array storage, unique-key semantics, iterator correctness and amortized complexity) alongside algorithmic optimization and proof-based reasoning for integer-constrained wealth redistribution.

  Qube Research & TechnologiesSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement flat_map, redistribute wealth evenlyMedium

  This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Implement flat_map, redistribute wealth evenly states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  Qube Research & TechnologiesSoftware EngineerCoding & AlgorithmsTechnical Screen
• Check Whether a Word Repeated K Times Is a SubsequenceMedium

  This problem tests the ability to optimize string pattern matching by using modular arithmetic and pointer manipulation to avoid unnecessary memory allocation.

  QuinceSoftware EngineerCoding & AlgorithmsOnline Assessment
• Open the Minimum Number of Sprinklers to Cover a GardenMedium

  This problem tests greedy algorithm design and interval scheduling techniques to solve a coverage optimization task.

  QuinceSoftware EngineerCoding & AlgorithmsOnline Assessment
• Count distinct palindromic subsequencesMedium

  This question evaluates proficiency in string algorithms and combinatorial counting, focusing on recognition and enumeration of palindromic subsequences and techniques for deduplicating distinct results.

  QuoraSoftware EngineerCoding & AlgorithmsTechnical Screen
• Detect recurring transactions from a ledgerHard

  This question evaluates skills in detecting temporal recurrence patterns in transaction data, including time-series analysis, date arithmetic, grouping by merchant and currency, and tolerance handling for amounts and date jitter.

  RampSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find User Airport at a TimeMedium

  This problem tests your ability to efficiently query temporal interval data for a specific user using binary search and interval manipulation.

  RampSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find an Exit in a URL MazeMedium

  This question evaluates graph traversal and state-management skills, emphasizing handling cycles, HTTP error conditions, retry logic, and propagation of authorization tokens in a networked client.

  RampSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find exit URL via BFS API callsMedium

  This question evaluates graph traversal and resilience when interacting with HTTP APIs, covering BFS/DFS reasoning, cycle detection to avoid infinite loops, retry handling for transient HTTP 500 responses, and timeout management for slow pages.

  RampSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement a multi-level digital recipe managerMedium

  Tests skills in data modeling and stateful class implementation, covering CRUD operations, case-insensitive string handling, recipe ID generation, list management, search and sort logic, and basic user/edit permissions.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Implement multi-level task manager APIsMedium

  This question evaluates implementation skills for stateful in-memory data structures, API evolution handling, substring search and prioritized sorting, and time-windowed assignment logic with quota enforcement in the Coding & Algorithms domain, and is primarily a practical application problem rather than a purely conceptual one.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Maximize Earnings by Converting Days Off into WorkdaysMedium

  This question evaluates a candidate's skill in dynamic programming and constrained optimization, specifically deciding which state transitions to modify under a limited budget of changes. It falls under coding and algorithms interviews, testing practical application of greedy or DP reasoning over sequential data with adjacency-based bonuses rather than pure conceptual knowledge.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Maximum Profit from Dated Stock Trade RecordsMedium

  This question evaluates a candidate's ability to design an efficient single-pass algorithm for grouped time-series data, tracking per-symbol running minimums to compute maximum achievable profit. It tests array processing, hash-map grouping, and edge-case handling for unsorted records, commonly used in coding interviews to assess practical algorithmic problem-solving rather than pure theory.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Maximum Profit from Multi-Stock Trading RecordsMedium

  This question evaluates a candidate's ability to parse and sort unstructured event data, then apply a greedy or dynamic-programming strategy for maximizing profit across multiple independent series. It falls under coding and algorithms, commonly used to assess array processing, state tracking, and stock-trading pattern recognition at a practical implementation level.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Multi-Level Warehouse Storage with Weighted RetrievalMedium

  This question evaluates a candidate's ability to design an object-oriented data structure with multiple prioritized eviction and expiration rules. It tests skills in coding and algorithms, specifically simulating TTL-based expiry alongside tiered, capacity-aware selection logic. Such multi-rule state machine problems are common in interviews to assess careful requirement tracking and practical implementation of layered constraints.

  RampSoftware EngineerCoding & AlgorithmsOnline Assessment
• Navigate maze via HTTP APIMedium

  This question evaluates a candidate's ability to implement programmatic traversal of linked resources via an HTTP API, testing skills in network I/O, control flow, state management, and algorithmic traversal.

  RampSoftware EngineerCoding & AlgorithmsTechnical Screen