Software Engineer Coding Interview Questions

Review this list of 295 Coding Software Engineer interview questions and answers verified by hiring managers and candidates.

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Find the shortest subsequence of a cyclic string S that contains all characters of a pattern k.
2 years ago1 answer
Implement regular expression matching for a string and pattern, where . matches any single character and * matches zero or more of the preceding element.
6 months ago
Given an integer n, return the number of steps to reach 1 following these rules: if n is even, divide by 2; if odd, multiply by 3 and add 1.
2 years ago1 answer
What are virtual functions?
2 years ago2 answers
Explain callback functions.
2 years ago1 answer
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Explain the sort function.
3 years ago3 answers
Determine a ship's capacity to ship packages in D days.
3 years ago
Maximum Path Quality of a Graph
5 months ago
Implement a queue.
7 months ago
Implement a JavaScript function for Promise.all().
3 years ago1 answer
Find the shortest path in a graph.
3 months ago3 answers
Find the lowest common ancestor (LCA) of two nodes in a binary tree.
+2a year ago9 answers
Coin Change
+15 months ago12 answers
Implement a card game with classes like car/card and player, including functionality like shuffling and assigning cards to players.
6 months ago
Given an array of daily stock returns and at most k deletions, determine the maximum number of contiguous days with the same return value after omitting up to k days.
6 months ago
Find the longest palindromic subsequence using dynamic programming.
+36 months ago10 answers
Given the root of a binary tree, return the vertical order traversal of its node values from top to bottom, column by column. Nodes in the same row and column should be ordered left to right.
5 months ago
Given an array of n integers and a number k, find the maximum number of elements whose sum is less than k, and return their sum.
2 years ago1 answer
Array Manipulation: Given an array, implement functions to perform add, remove, update operations and return the resulting array.
a year ago
Given a large n-ary tree where the root node can pass information to one child per iteration, and in subsequent iterations, nodes can pass information to one child while the root continues with others, find the minimum number of iterations to reach all nodes.
4 years ago1 answer

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Software Engineer Coding Interview Questions

Find the shortest subsequence of a cyclic string S that contains all characters of a pattern k.

Implement regular expression matching for a string and pattern, where . matches any single character and * matches zero or more of the preceding element.

Given an integer n, return the number of steps to reach 1 following these rules: if n is even, divide by 2; if odd, multiply by 3 and add 1.

What are virtual functions?

Explain callback functions.

Explain the sort function.

Determine a ship's capacity to ship packages in D days.

Maximum Path Quality of a Graph

Implement a queue.

Implement a JavaScript function for Promise.all().

Find the shortest path in a graph.

Find the lowest common ancestor (LCA) of two nodes in a binary tree.

Coin Change

Implement a card game with classes like car/card and player, including functionality like shuffling and assigning cards to players.

Given an array of daily stock returns and at most k deletions, determine the maximum number of contiguous days with the same return value after omitting up to k days.

Find the longest palindromic subsequence using dynamic programming.

Given the root of a binary tree, return the vertical order traversal of its node values from top to bottom, column by column. Nodes in the same row and column should be ordered left to right.

Given an array of n integers and a number k, find the maximum number of elements whose sum is less than k, and return their sum.

Array Manipulation: Given an array, implement functions to perform add, remove, update operations and return the resulting array.

Given a large n-ary tree where the root node can pass information to one child per iteration, and in subsequent iterations, nodes can pass information to one child while the root continues with others, find the minimum number of iterations to reach all nodes.

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