DSA Interview - Beginner Level
Perfect for developers with 0-2 years of DSA experience. Master arrays, strings, basic sorting, Big O notation, and fundamental problem-solving.
20-25 minutes
0-2 years of DSA experience
Who is this for?
Developers new to DSA
Students learning algorithms
Anyone preparing for coding interviews
CS students and bootcamp grads
What you'll practice
Understanding Big O notation
Working with arrays and strings
Implementing basic sorting
Using two pointers technique
Understanding stacks and queues
Basic recursion
Topics covered
Complexity Analysis
Big O notation
Time complexity
Space complexity
Basic Data Structures
Arrays
Strings
Stacks
Queues
Basic Algorithms
Linear search
Binary search
Sorting basics
Problem Solving
Two pointers
Basic recursion
Iteration
Example questions
Q:
What is Big O notation?
Q:
How do you reverse an array?
Q:
Implement binary search
Q:
What is the difference between a stack and a queue?
Q:
How do you detect if a string is a palindrome?
Q:
Explain how bubble sort works
Preparation tips
Learn Big O notation
Practice array manipulation
Implement sorting algorithms
Understand stacks and queues
Practice on LeetCode Easy
Learn problem-solving patterns
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