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Coding Interview Questions

Review this list of 515 Coding interview questions and answers verified by hiring managers and candidates.

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Top Product Lines
a year ago9 answers
Write a function to do Excel-style operations.
6 months ago
Implement regular expression matching for a string and pattern, where . matches any single character and * matches zero or more of the preceding element.
8 months ago1 answer
Sales Path
3 years ago14 answers
Given a list of jobs and a list of dependencies where each job depends on another job being completed first, determine if it is possible to complete all jobs.
2 years ago1 answer
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Fizz Buzz
2 years ago
Walmart Inventory Status
3 years ago12 answers
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in clockwise spiral order. Has video answer
2 years ago
Implement Trie
+210 months ago4 answers
How can you tell if a graph is not a tree?
10 years ago4 answers
BST Successor Search
5 months ago13 answers
Given a list of Nodes, each with a unique string id and a list of subnodes it depends on, find the maximum depth of the dependencies.
2 years ago1 answer
Build a hash tree algorithm.
10 months ago
Squares of sorted array
2 years ago1 answer
Rank Salary Deviations
3 years ago11 answers
Given a castle with rooms named after flowers where each room has an instruction to the next room, write an algorithm to find the rooms containing treasure.
a year ago1 answer
Sudoku Solver
+410 months ago4 answers
Decrypt Message
3 years ago13 answers
Predict Harmful Text Has video answer
Transform an input string into a target tokenized sequence using a tree/graph-based algorithm. Embeddings must be simulated (no ML models allowed). Validate the final output.
10 months ago

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