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40 interview questions on Algorithmics - Fundamentalsfor developers (2026)

Test your technical skills before an interview of Algorithmics - Fundamentals with 40 corrected questions. Beginner, Intermediate or Expert level.

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Hard
13 votes1111 runs0 comment

What is special about quick sort?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Easy
12 votes1018 runs0 comment

What is recursion?

IT Architect
recursion
Anonymous authorat Sep 19, 2022
Easy
8 votes931 runs0 comment

What type of structure are the results of a recursive function stored in?

IT Architect
recursion
stack
Anonymous authorat Sep 19, 2022
Hard
7 votes913 runs0 comment

What does the While loop do?

IT Architect
array
loop
Adrienat Sep 5, 2022
Medium
5 votes851 runs0 comment

What about the merge sort method?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Medium
2 votes895 runs0 comment

What is the complexity of this algorithm?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Medium
2 votes801 runs1 comment

What can be said about a terminal algorithm?

IT Architect
algorithm
termination
Anonymous authorat Sep 19, 2022
Medium
2 votes742 runs0 comment

Given an array of 17 elements sorted in ascending order, what is the cost of accessing the element with index 10?

IT Architect
array
sorting
Anonymous authorat Sep 19, 2022
Medium
2 votes731 runs
1 comment

How are customer requests handled on an online platform for ordering pizzas for delivery?

IT Architect
queues
FIFO
Anonymous authorat Sep 19, 2022
Medium
2 votes727 runs0 comment

What do you call a structure whose data are nodes and linked together by oriented arcs?

IT Architect
data structures
graph
Anonymous authorat Sep 19, 2022
Medium
2 votes715 runs0 comment

What is the name of the type of sort performed by the following code?

IT Architect
array
sort
Anonymous authorat Sep 19, 2022
Medium
1 vote727 runs0 comment

What is the best name for the function f in the following statement : f = amod(n) ?

IT Architect
modulo
function
Anonymous authorat Sep 19, 2022
Hard
1 vote568 runs
1 comment

What is the purpose of using a breadth-first search algorithm?

IT Architect
graph
breadth-first search
Anonymous authorat Sep 20, 2022
Medium
1 vote228 runs
1 comment

Given a list of unsorted elements, what is the best data structure to store them in order to minimize the cost of accessing them?

IT Architect
array
data structure
Anonymous authorat Mar 21, 2022
Medium
1 vote213 runs0 comment

What can we expect from an optimal algorithm?

IT Architect
algorithm
optimal
Anonymous authorat Mar 21, 2022
Easy
1 vote60 runs0 comment

How many daughter cells can a mother cell point to in a binary tree type data structure?

IT Architect
data structures
trees
Anonymous authorat Mar 21, 2022
Medium
0 vote751 runs0 comment

Write a binary search algorithm in JavaScript

IT Architect
array
binary search
Anonymous authorat Sep 19, 2022
Medium
0 vote740 runs0 comment

What can be said about a complete algorithm?

IT Architect
algorithm
completeness
Anonymous authorat Sep 19, 2022
Medium
0 vote726 runs2 comments

What can be said about a terminal algorithm?

IT Architect
algorithm
termination
Anonymous authorat Sep 19, 2022
Hard
0 vote716 runs0 comment

Write an algorithm to check if a password is strong.

IT Architect
if else
security
Anonymous authorat Sep 19, 2022