Big O-notations and interview questions

Introduction

Big O notation interview questions provide the extended Big O notations for top interview questions. What is Big O notation? Big O notations describe the time or space required for the execution in software program. The execution can be an operation in data structures, such as add, delete or traverse. It can also be an algorithm, such as sort or search. Big O notations include time complexity and space complexity. They indicate the worst-case scenario. You can choose the best implementation based on time and space complexity.

In this post, I list the Big O notation for major data structures and well-know algorithms. They are also called Big O notation cheat sheets. Meanwhile, I extend the basic Big O notations and cover some complicated algorithms, for example, recursion and the graph’s DFS and BFS.

Big O notation interview questions have the exhaustive list of the interview questions, aggregated from varied web sites. This extended Big O notations are the by-product of our Java Coding Interview Pocket Book. In this book, every answer for the question includes the Big O notation.


Big O-Notations of Data Structures

 
data structures O-notation cheat sheets


Big O-Notations of Java Collections


Java collections O-notation cheat sheets


Big O-Notations of Algorithms by categories


algorithms O-notation cheat sheets


Big O-Notations of Sorting Algorithms


Sorting O-notations


Big O-Notations of problems using Recursions


combinatoric questions O-notations


Big O-Notations of problems using DFS and BFS


DFS and BFS questions O-notations


Top interview questions

 
GeeksforGeeks: Top Data Structure
GeeksforGeeks: Top 10 Algorithms Interview Questions
Javarivisited: Top 30 Programming Questions asked in Interview
Javarevisited: Top 15 Data Structures and Algorithm Interview Questions for Java Programmer
Javarevisited: Top 50 Java Programs from Coding Interviews
LeetCode: Top Interview Questions
ProgramCreek: Top 10 Algorithms for Coding Interview
LaVivienPost: The complete list of coding interview questions

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