Software Engineer Coding Interview Questions

Review this list of 323 Coding Software Engineer interview questions and answers verified by hiring managers and candidates.

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Calculate the result of a mathematical expression written as a string.
3 years ago
Implement a SQL parser that converts raw SQL strings into programming objects or ORM primitives.
10 months ago
Implement a doubly linked list.
6 months ago1 answer
Implement wildcard pattern matching for a string (s) and a pattern (p) with '?' and '*' in a way that covers the entire input string.
4 years ago3 answers
What's a memory leak and how can we avoid it?
2 years ago1 answer
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Given a fully or partially attempted 9x9 Sudoku board, determine if it is a valid solution.
6 months ago
Implement merge-sort
2 years ago1 answer
Explain the solution for Leetcode problem 1010: Pairs of Songs With Total Durations Divisible by 60.
a month ago
How would you code an app that displays the weekly lunch menu?
2 years ago
Find the k-th smallest and k-th largest element in a binary search tree (BST).
2 years ago1 answer
Implement a function to find the minimum number of dice rolls needed to reach the end in a Snakes and Ladders game.
a year ago
Print all combinations of numbers from 1 to n that sum to n.
+22 years ago2 answers
Basic Calculator II
+19 months ago
Given an array, print the Next Greater Element (NGE) for each element. The NGE for an element x is the first greater element on the right side of x in the array, or -1 if none exists.
4 years ago3 answers
Find the maximum subarray product
a year ago2 answers
Explain the map function.
3 years ago2 answers
Given arrays of varying lengths, how would you pad them efficiently?
9 months ago
Can Jump - Given an array of non-negative integers, you're initially at the first index. Each element represents your maximum jump length at that position. Determine if you can reach the last index.
2 years ago
Given an array representing the height of buildings from a sea beach, return an array of heights of the buildings that have a sea view.
5 years ago1 answer
Given a string S, determine if it can be converted into a palindrome by making at most one swap of two characters.
2 years ago

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Software Engineer Coding Interview Questions

Calculate the result of a mathematical expression written as a string.

Implement a SQL parser that converts raw SQL strings into programming objects or ORM primitives.

Implement a doubly linked list.

Implement wildcard pattern matching for a string (s) and a pattern (p) with '?' and '*' in a way that covers the entire input string.

What's a memory leak and how can we avoid it?

Given a fully or partially attempted 9x9 Sudoku board, determine if it is a valid solution.

Implement merge-sort

Explain the solution for Leetcode problem 1010: Pairs of Songs With Total Durations Divisible by 60.

How would you code an app that displays the weekly lunch menu?

Find the k-th smallest and k-th largest element in a binary search tree (BST).

Implement a function to find the minimum number of dice rolls needed to reach the end in a Snakes and Ladders game.

Print all combinations of numbers from 1 to n that sum to n.

Basic Calculator II

Given an array, print the Next Greater Element (NGE) for each element. The NGE for an element x is the first greater element on the right side of x in the array, or -1 if none exists.

Find the maximum subarray product

Explain the map function.

Given arrays of varying lengths, how would you pad them efficiently?

Can Jump - Given an array of non-negative integers, you're initially at the first index. Each element represents your maximum jump length at that position. Determine if you can reach the last index.

Given an array representing the height of buildings from a sea beach, return an array of heights of the buildings that have a sea view.

Given a string S, determine if it can be converted into a palindrome by making at most one swap of two characters.

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