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Software Engineer Coding Interview Questions

Review this list of 325 Coding Software Engineer interview questions and answers verified by hiring managers and candidates.

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Given an integer array nums and an integer k, return true if nums has a subarray of at least two elements whose sum is a multiple of k. Has video answer
+62 years ago33 answers
Infection spread simulation.
3 months ago2 answers
Reverse a Sentence
+42 years ago58 answers
Design and implement an in-memory key-value store that supports set, transactional begin, commit, and abort operations. Has video answer
4 months ago1 answer
Find the first missing positive number in an array.
2 years ago15 answers
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Code an image-processing pipeline that reads per-image instruction files and applies ordered transformations (e.g., rotate, invert, crop, convert) to large sets of images of varying sizes across multiple folders.
10 months ago
Top Earning Employees
8 months ago71 answers
Given n houses in a line with money in each, find the maximum amount a robber can steal, without stealing from two adjacent houses.
+42 months ago6 answers
Tree Node. Has video answer
+45 months ago28 answers
Find the sum of all elements in a binary tree that fall within the range [low, high], where 'low' and 'high' are integers.
2 years ago11 answers
Maximum Number of Visible Points
+12 months ago1 answer
What's your approach to prompt engineering?
3 months ago
Given an array of strings, return the words that can be typed using letters of the alphabet on only one row of American keyboard.
a month ago
Merge Intervals Has video answer
+14a month ago70 answers
Group anagrams
+142 months ago2 answers
Valid Parentheses
+1316 days ago45 answers
Longest Valid Parentheses
2 years ago1 answer
Find the minimum characters to insert to make a string a palindrome.
10 months ago2 answers
Given a matrix with a rat, bread, cat, and obstacles, find a path from the rat to the bread that maximizes the minimum distance from cat.
8 months ago3 answers
Explain how to find a target sum in an array. Has video answer
2 years ago17 answers

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