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Data Structures Interview Questions
Questions Answers Views Company eMail

On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.

Aspiring Minds,

973

Explain the implementation of an AVL tree and Binary tree.

Ittiam Systems,

949

Describe the complexity of Quick Sort

Honeywell, Zomato,

933

Explain different methods in which you can traverse a tree?

NIIT,

914

How can you implement a stack?

NIIT,

1073

What is a Breadth First Search? Give a few of its applications.

Ciena,

888

How would you check if a binary tree is BST or not ? Write a program.

DELL,

905

What the principle of quick sort and its complexity?

Honeywell, Zomato,

992

Describe the complexity of Binary search

Honeywell, Zomato,

899

What is peep stack?

HCL,

1005

What is the prerequisite for binary searching?

Expedia,

1041

Write a program for reversing the Single Linked List?

Honeywell, Zomato,

1103

What are stacks? Give some of its applications.

TCS,

977

You are given a singly linked list. How would you find out if it contains a loop or not without using temporary space?

TCS,

1110

Given an array of integers, devise a program to replace every element with the next greatest element on the right side in the array. Also, replace the last element with 5 as there no element on the right side of it.

Wipro,

1076


Post New Data Structures Questions

Un-Answered Questions { Data Structures }

What is modcount in hashmap?

886


What is stack in geography?

861


How do I sort hashset?

907


What is data structure geeksforgeeks?

1299


What is comparator interface used for?

1070


What is circular queue in data structure?

899


What are some of the best practices relating to the java collection framework?

907


What is an algorithm in coding?

869


What is the application of queue?

902


How would you implement two stacks using a single array?

989


Define a set?

945


State the difference between primitive and non-primitive data types?

1156


What is the difference between hashset and treeset?

995


What are the major data structures used in the network data model?

1061


How can we delete the first node from the singly linked list?

953