Coding questions

1,899 resources · Page 35 of 80

1. Coding questions · TikTok

   Find kth smallest in sorted 2D matrix

   This question evaluates algorithmic problem-solving and data-structure reasoning, focusing on order statistics and operations on a row- and column-sorted matrix within the Coding & Algorithms domain.

2. Coding questions · Meta

   Find kth smallest pair sum with heaps

   This question evaluates algorithmic problem-solving and complexity-analysis skills, focusing on efficient selection from two sorted arrays while handling duplicate sums and boundary conditions; it belongs to the Coding & Algorithms domain.

3. Coding questions · Waymo

   Find Largest Adjacent Sorted Difference

   This question evaluates skills in array processing, linear-time algorithm design, and application of bucket-based, non-comparison techniques for computing maximum adjacent gaps after sorting.

4. Coding questions · Roblox

   Find largest digit-sum bucket size

   This question evaluates a candidate's competency in combinatorial counting, digit-sum properties, and algorithmic optimization for range queries within the Coding & Algorithms domain.

5. Coding questions · Intuit

   Find largest filename from ls -l output

   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.

6. Coding questions · Tesla

   Find latency pairs with minimal difference

   This question evaluates array manipulation, pairwise comparison, and algorithmic efficiency by requiring identification of minimal absolute differences and construction of ordered latency pairs.

7. Coding questions · Amazon

   Find LCA in a BST

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

8. Coding questions · Uber

   Find leftmost point of maximum brightness

   This question evaluates understanding of interval overlap counting, efficient use of ordered data structures for range events, tie-breaking logic, and robustness to numeric edge cases such as large coordinates and floating-point radii.

9. Coding questions · DoorDash

   Find longest common ordered restaurant list

   This question evaluates a candidate's understanding of sequence algorithms, dynamic programming, and string/list manipulation by requiring computation of the longest common subsequence between two ordered lists of restaurant IDs.

10. Coding questions · Amazon

    Find longest segment with endpoints > interior

    This question evaluates algorithmic design and array-processing skills, specifically reasoning about subarray endpoint vs interior relationships, range comparisons, and designing solutions with subquadratic time and space complexity.

11. Coding questions · C3 AI

    Find longest substring with at least k repeats

    This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Find longest substring with at least k repeats states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

12. Coding questions · Apple

    Find longest uniform substring after k replacements

    This question evaluates skills in string processing, frequency analysis, and algorithmic optimization within the Coding & Algorithms domain, focusing on practical application of linear-time, constant-space techniques.

13. Coding questions · Snowflake

    Find longest unique-character substring

    This question evaluates proficiency in string manipulation, use of associative data structures (hash maps/sets), and algorithmic thinking for detecting and maintaining unique-character substrings.

14. Coding questions · Netflix

    Find longest unique show window

    This question evaluates concepts in sliding-window algorithms, hash-based duplicate tracking, case-insensitive string handling, and the extension of batch solutions to streaming (online) inputs.

15. Coding questions · Lowe's

    Find longest unique substring

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

16. Coding questions · Microsoft

    Find lowest common ancestor in tree

    This question evaluates understanding of tree data structures and the lowest common ancestor concept, contrasting use of binary search tree ordering with the general binary tree case while requiring algorithmic time and space complexity reasoning in the Coding & Algorithms domain.

17. Coding questions · Capital One

    Find Lowest Prices for Highly Rated Categories

    This question evaluates competency in data manipulation and aggregation using SQL or Python, focusing on grouping, conditional aggregation, and handling related product and purchase records. It is commonly asked for Data Manipulation (SQL/Python) roles to assess practical application of filtering and aggregation logic for per-category summaries rather than purely conceptual understanding.

18. Coding questions · Microsoft

    Find max consecutive elements with sum below target

    This question evaluates algorithmic problem-solving with arrays, including reasoning about contiguous subsequences, handling sorted inputs and edge cases, and analyzing time and space complexity.

19. Coding questions · DoorDash

    Find max distance between alive tree nodes

    Find max distance between alive tree nodes evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

20. Coding questions · Zillow

    Find max min-plus-max over all subarrays

    Find max min-plus-max over all subarrays evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

21. Coding questions · Upstart

    Find max word letter span

    This question evaluates proficiency in string processing, character mapping, and algorithmic analysis by requiring computation of per-word letter spans while accounting for case normalization, punctuation handling, ties, duplicates, and edge-case word forms.

22. Coding questions · Bloomberg

    Find maximum cable length by cutting

    This question evaluates a candidate's proficiency in algorithm design, particularly applying binary search over a monotonic answer space and managing integer versus floating-point precision when maximizing piece length.

23. Coding questions · ByteDance

    Find Maximum Candies With Two Types

    This question evaluates algorithmic problem-solving with arrays, focusing on managing constraints on the number of distinct element types in a contiguous sequence and maintaining element frequency/state during a traversal.

24. Coding questions · ByteDance

    Find Maximum Chain Activations

    This question evaluates graph modeling and traversal skills combined with geometric distance computation and reachability analysis, requiring construction of a directed graph from coordinate-and-radius device data.