Coding & Algorithms interview questions

Showing 1411–1440 of 3276 results

• Implement timestamped task management system APIsMedium

  This question evaluates a candidate's ability to design and implement time-ordered in-memory data structures and APIs, testing competencies in temporal event ordering and precedence, scheduled deletions, priority-sorted retrieval, user-task assignment, and historical (time-travel) queries.

  InstacartSoftware EngineerCoding & AlgorithmsOnline Assessment
• Implement worker time and payroll trackerHard

  This problem tests your ability to manage overlapping time intervals, perform efficient lookups on historical state changes, and calculate cumulative payroll based on dynamic shift rates.

  InstacartSoftware EngineerCoding & AlgorithmsOnline Assessment
• Optimize file reading and expression DFSMedium

  This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Optimize file reading and expression DFS states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  InstacartSoftware EngineerCoding & AlgorithmsHR Screen
• Optimize file reads for password validationMedium

  This question evaluates proficiency in on-disk file I/O, streaming algorithms, offline indexing for sublinear lookups, and system-level performance considerations for validating credentials in large files.

  InstacartSoftware EngineerCoding & AlgorithmsHR Screen
• Parse a password from a matrixMedium

  This question evaluates proficiency in grid traversal, sequence-driven state tracking, string manipulation, and boundary/obstacle validation while requiring time and space complexity reasoning.

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Parse password from indexed matrix fileMedium

  This question evaluates file parsing, matrix indexing with a specified coordinate origin, handling multiple indexed blocks, and string assembly into an ordered password, testing competencies in file I/O, coordinate transformations, and robust input handling.

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Pivot order-status countsMedium

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

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Resolve a Variable Through Literal and Reference AssignmentsMedium

  Resolve a target variable through an acyclic chain of named assignments until reaching an integer literal, independent of definition order.

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Solve Two Sorted-Array TasksHard

  This problem tests your ability to efficiently merge and find elements in sorted arrays, focusing on optimal time complexity and edge case handling.

  InstacartMachine Learning EngineerCoding & AlgorithmsTechnical Screen
• Solve bank, password, expression algorithm tasksMedium

  This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Solve bank, password, expression algorithm tasks states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Solve expression evaluator and string decoderMedium

  This question evaluates a candidate's ability in parsing, expression evaluation, and nested string decoding, including handling malformed input, character encoding nuances, and large-file streaming considerations.

  InstacartSoftware EngineerCoding & AlgorithmsOnsite
• Calculate Tax Under Progressive Income BracketsMedium

  This problem tests the ability to iterate through sorted intervals and calculate values based on overlapping ranges, requiring careful boundary handling.

  Interactive BrokersSoftware EngineerCoding & AlgorithmsOnline Assessment
• Calculate Tax in a Progressive Marginal Tax SystemEasy

  Practice a Interactive Brokers coding interview problem focused on calculate tax in a progressive marginal tax system. The prompt emphasizes edge cases, clean implementation, and verifiable test behavior without revealing the solution.

  Interactive BrokersSoftware EngineerCoding & AlgorithmsOnline Assessment
• Compute Minimum Production DaysMedium

  A data engineering coding screen on greedy scheduling under a cooldown constraint: produce an ordered list of products, one per day, where each product type must cool down for `space` days before it can be produced again. Candidates must return the minimum number of days, ideally in O(n) time using a hash map of last-produced days.

  Interactive BrokersData EngineerCoding & AlgorithmsTechnical Screen
• Find the longest palindromic substringEasy

  This question evaluates string manipulation and algorithmic problem-solving skills, focusing on identifying palindromic substrings and reasoning about performance and edge cases. Commonly asked in the Coding & Algorithms domain to assess practical algorithmic application, it gauges understanding of time/space complexity, input constraints, and robustness in implementation.

  IntersystemsSoftware EngineerCoding & AlgorithmsTechnical Screen
• Measure 45 minutes with two ropesMedium

  This problem tests creative logical reasoning and the ability to decompose time-based tasks into parallelizable components without standard measurement tools.

  IntersystemsSoftware EngineerCoding & AlgorithmsTechnical Screen
• Predict output when iterating ordered keysMedium

  This problem tests your understanding of ordered map iteration, the impact of modifying collection traversal, and handling accumulation logic in a state-dependent loop.

  IntersystemsSoftware EngineerCoding & AlgorithmsTechnical Screen
• Add One to Digit ArrayEasy

  This problem tests your ability to handle array-based arithmetic and carry-over logic, specifically focusing on edge cases like digit overflow and resizing the array.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find Business Degrees of SeparationHard

  This question evaluates understanding of graph traversal and shortest-path computation, including modeling business relationships as undirected graphs and interpreting degrees of separation on the shortest path.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find largest filename from ls -l outputMedium

  This question evaluates proficiency in text parsing, tokenization, and numeric comparison applied to command-line style output, emphasizing robust handling of varied input formats and edge cases.

  IntuitSoftware EngineerCoding & AlgorithmsOnline Assessment
• Implement LRU, Extend to LFU, Analyze ComplexityMedium

  This question evaluates understanding of cache eviction policies (LRU and LFU), frequency tracking, and the design of data structures that support efficient get/put operations while meeting time and space complexity constraints.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Increment a Digit-Array Integer by OneMedium

  This problem tests your ability to perform manual addition on an array representing a large integer, specifically handling carry propagation and dynamic resizing when the integer overflows its current digit count.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Produce valid student lineup from parent arrayMedium

  This problem tests your ability to reconstruct a valid topological ordering (parent-before-child) from a parent-child relationship array while maintaining lexicographical minimality.

  IntuitSoftware EngineerCoding & AlgorithmsOnline Assessment
• Solve word segmentation and React palindrome validationMedium

  This question evaluates competencies in string algorithms (word segmentation and palindrome validation), data structures and complexity analysis, and practical frontend React implementation with performance considerations.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Sum palindrome-change costs over all substringsMedium

  This question evaluates understanding of string algorithms, combinatorial counting, and algorithmic optimization for aggregating pairwise mismatch costs across all substrings.

  IntuitSoftware EngineerCoding & AlgorithmsOnline Assessment
• Validate bracket sequenceEasy

  This question evaluates understanding of bracket matching and string parsing, testing competency with basic data structures and algorithmic reasoning such as stack-based matching and correct handling of nested delimiters.

  IntuitSoftware EngineerCoding & AlgorithmsTechnical Screen
• Schedule batched register operations optimallyHard

  This question evaluates scheduling and ordering under timing constraints, read-after-write hazards, intra-batch dependency handling, and the ability to parse and execute register read/write operations.

  IxanaSoftware EngineerCoding & AlgorithmsTechnical Screen
• Can All Courses Be Completed?Medium

  This problem tests your ability to detect cycles in a directed graph to determine if a set of dependent tasks can be successfully completed.

  J.P. MorganSoftware EngineerCoding & AlgorithmsTechnical Screen
• Compute longest palindromic subsequenceMedium

  This question evaluates understanding of dynamic programming for strings, specifically longest palindromic subsequence concepts such as memoization, bottom-up DP, space optimization and subsequence reconstruction.

  J.P. MorganSoftware EngineerCoding & AlgorithmsOnsite
• Compute ring window max and deletion indicesMedium

  This question evaluates algorithmic problem-solving across arrays and strings, covering concepts such as sliding-window techniques on circular arrays, wraparound handling, index recovery after single-character deletion, duplicate-character considerations, and time/space complexity analysis within the Coding & Algorithms domain.

  J.P. MorganSoftware EngineerCoding & AlgorithmsTechnical Screen