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Data Structures Interview Questions
Questions Answers Views Company eMail

What is a data structure?

Keane India Ltd,

12 15456

What does abstract data type means?

College School Exams Tests, Infosys, SBIT, TCS,

23 75017

Evaluate the following prefix expression " ++ 26 + - 1324"

College School Exams Tests, Patni,

24 38120

Convert the following infix expression to post fix notation ((a+2)*(b+4)) -1

9 13936

How is it possible to insert different type of elements in stack?

TCS,

7 28559

Stack can be described as a pointer. Explain.

Wipro,

5 21434

Write a Binary Search program

Microsoft, TCS,

7 23527

Write programs for Bubble Sort, Quick sort

Cognizant,

15 43744

Explain about the types of linked lists

5 15261

How would you sort a linked list?

5 8069

Write the programs for Linked List (Insertion and Deletion) operations

College School Exams Tests, Persistent, TCS,

9 70285

What data structure would you mostly likely see in a non recursive implementation of a recursive algorithm?

CTS,

3 19865

What do you mean by Base case, Recursive case, Binding Time, Run-Time Stack and Tail Recursion?

TCS,

2 26255

Explain quick sort and merge sort algorithms and derive the time-constraint relation for these.

MNB,

7963

Explain binary searching, Fibinocci search.

CTS, IBM, TCS,

5 20520


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Un-Answered Questions { Data Structures }

How do I push an element into a stack?

155


What is sorting in data structure?

169


How to reverse singly link list?

205


Can we increase the size of statically allocated array?

186


How can you insert a node to the beginning of a singly linked list?

197






Why concurrenthashmap is fail safe?

157


What are the properties of an algorithm?

193


Is it necessary to sort a file before searching a particular item ?

240


Define Data Structures?

235


Is boolean a data type?

182


How do you sort large data?

191


Can you please explain the difference between string and an array?

187


What is the difference between length () and size () of arraylist?

151


If I try to add enum constants to a treeset, what sorting order will it use?

256


What are the types of collection?

147