Netflix Coding & Algorithms Interview Questions
Practice the exact questions companies are asking right now.
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Report Tree Levels and Balanced Subtrees
Implement describe_balanced_nodes(values) for a binary tree represented as a zero-based heap array. For an existing node at index i, its children are ...
Count Pairs of Strings with Disjoint Character Sets
Count Pairs of Strings with Disjoint Character Sets Problem Implement countDisjointStringPairs(words) -> count. Count unordered index pairs (i, j) wit...
Find the Longest Substring Without Repeated Characters
Find the Longest Substring Without Repeated Characters Problem Implement longestUniqueSubstringLength(text) -> length. Return the length of the longes...
Find the Longest Run of One Character
Find the Longest Run of One Character Problem Implement longestIdenticalRun(text) -> length. Return the maximum number of consecutive positions contai...
Analyze Overlap in Closed Intervals
Implement closed_interval_overlap(intervals, query_points). Each interval [start, end] is closed, so it contains both endpoints. Return [[maximum_over...
Solve String Arrays and Row Deduplication
This multi-part question evaluates array and string manipulation skills, deduplication logic and pairwise character comparison, as well as the ability...
Compute Minimum Task Completion Time
This question evaluates understanding of graph algorithms (topological sort and DFS), dependency scheduling, cycle detection, and critical-path comput...
Compute Earliest Completion Times
You are given n tasks numbered from 0 to n - 1. Each task i has a positive duration duration[i]. You are also given a list of prerequisite relationshi...
Implement ordering and undo executor
The interview included two coding tasks: 1. Dependency ordering: Given a set of tasks and their dependency relationships, return a valid execution ord...
Return the longest contiguous subarray with all distinct values
This question evaluates a candidate's understanding of array-processing algorithms, duplicate detection, and maintaining state to identify the longest...
Implement Caches, Undo, and Traversal
Solve the following coding tasks. For each task, define clean APIs, implement the core logic, and be prepared to explain time and space complexity. Ta...
Implement weighted-eviction cache
Question Design and implement a weighted cache supporting get(key) and put(key, value, weight) operations. The cache has a total weight limit; when in...
Implement rotating homepage title selector
This question evaluates understanding of data structures and algorithms for prioritized selection with stateful constraints, focusing on maintaining d...
Implement phrase search and JSON path
This question evaluates the ability to build an inverted index for in-memory exact phrase search and to implement JSON path traversal with wildcard ma...
Dedupe titles in per-shelf viewport
You are rendering a streaming app home page. - The home page consists of shelves displayed from top to bottom. - Each shelf contains a list of titleId...
Implement a Weighted Eviction Cache
This question evaluates proficiency with data structures and algorithmic design for resource-constrained caching, specifically weight-aware eviction p...
Compute minimum semesters to finish courses
This question evaluates graph theory and scheduling competencies, including dependency resolution, cycle detection in directed graphs, and capacity-co...
Design playlist with add/remove/shuffle
This question evaluates data structure design and algorithmic complexity skills, focusing on managing dynamic sets, uniform random selection, and aver...
Find longest run of identical consecutive shows
This question evaluates array-manipulation skills and the ability to identify contiguous runs of equal values, emphasizing algorithmic efficiency and ...
Design command executor with undo
This question evaluates understanding of the command pattern, state and history management, failure handling, and appropriate data structure use for i...