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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Given nums + window size k, return the max for each sliding window in O(n) time complexity.
2 months 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
Determine if a number is a power of two.
2 years ago2 answers
Find the length of the shortest word ladder.
2 years ago
Given the row and column, return the value at that position in Pascal's triangle.
a year ago1 answer
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Find the palindromes.
2 years ago2 answers
Given a list of conversion items between symbols, write an algorithm to return the conversion ratio for each pair of symbols.
4 years ago2 answers
Given two empty jugs with capacities a and b liters and an infinite water supply, determine a way to end up with exactly X liters of water.
a year ago1 answer
How would you rebuild one of your projects in a lower-level language to make it faster?
a year ago
Implement a SQL parser that converts raw SQL strings into programming objects or ORM primitives.
8 months ago
Design a queue using static memory allocation.
6 months ago1 answer
Design an iterator.
7 months ago
Calculate the result of a mathematical expression written as a string.
3 years ago
Given a list of integers, return 1 if the integer is a power of 2 and 0 if it is not.
5 years ago3 answers
Top k frequent elements
+12 years 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
Given a list of transactions between friends, return the minimum number of transactions required to settle the debts. For e.g. Alice gave $5 to Bob and Bob gave $5 to Bill. Answer will be 1.
2 years ago
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
Implement merge-sort
2 years ago1 answer
Find the shortest distance between two points.
4 months ago

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Software Engineer Coding Interview Questions

Given nums + window size k, return the max for each sliding window in O(n) time complexity.

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.

Determine if a number is a power of two.

Find the length of the shortest word ladder.

Given the row and column, return the value at that position in Pascal's triangle.

Find the palindromes.

Given a list of conversion items between symbols, write an algorithm to return the conversion ratio for each pair of symbols.

Given two empty jugs with capacities a and b liters and an infinite water supply, determine a way to end up with exactly X liters of water.

How would you rebuild one of your projects in a lower-level language to make it faster?

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

Design a queue using static memory allocation.

Design an iterator.

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

Given a list of integers, return 1 if the integer is a power of 2 and 0 if it is not.

Top k frequent elements

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

Given a list of transactions between friends, return the minimum number of transactions required to settle the debts. For e.g. Alice gave $5 to Bob and Bob gave $5 to Bill. Answer will be 1.

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

Implement merge-sort

Find the shortest distance between two points.

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