Data Structures Interview Questions
Questions Answers Views Company eMail

What is binary tree?

BMC,

13 18072

What are the parts of root node?

BMC, JCE, TCS,

7 13995

What is B+ tree?

BMC, CMC, Satyam, TCS,

6 28806

sir plz. send me a bunch of questions related to this topic which may help me in campus selection

ABC,

1 6050

1) Program A and B are analyzed and found to have worst- case running times no greater than 150nlog2n and n2 respectively.Answer the folloWing questions if possible.. i) which program has the better guarantee on the running time,for larger values of n(n>10000) ? ii) which program has the better guarantee on the running time,for small values of n(n<100) ? iii) which program will run faster on average for n =1000 2) wRite a program to compute the number of collisions required in a long random sequence of insertions using linear probing ,quadratic probing and double hashing 3) what is the optimal way to compute A1 A2 A3 A4 A5 A6 where the dimensions of the matrices are A1:10*20 A2 : 20 * 1 A3 : 1 * 40 A4 : 40*5 A5 : 5 * 30 A6 : 30 X 15

KPIT,

5 17111

create an singly linked lists and reverse the lists by interchanging the links and not the data?

Microsoft, TCS,

13 16408

Q#1: An algorithm is made up of 2 modules M1 and M2.If order of M1 is F(n) and order of M2 is g (n) then what is the order of the algorithm. Q # 2 : How many binary trees are possible with 3 nodes? with 4 nodes?

4 15088

Q # 1 : in which graph algorithm do we start finding vertices that should be first in the topological order and then apploy the fact that every vertex must come before its successors in the topolgical order.

3 4830

Let the G be a graph with 100 vertices numbered 1 to 100 Two vertices i and j are adjecnt if | i-j| =8 or | i-j| =12. The Number of connected components in G is ?

4 12697

I am given a sequential algorithm that does a routine search on an unordered list. N = 20. The probability that the value x does NOT appear in the list is exactly 60%, and the probability that x DOES appear is 40%. The 3 questions that I could not get were: A) What is the avg number of element comparisons performed when n = 20 and x does NOT appear in the List. (my answer was 20, is this correct?) B) What is the avg number of element comparisons peformed when n = 20 and x DOES appear in the list? C) What is the avg number of element comparisons performed when n = 20. This should be a single number answer they said.

3 5401

what is binary tree?

BMC,

12 16580

How can one find a cycle in the linked list? IF found how to recognize the cycle and delete that cycle?

Citrix,

12 18850

wt is a datastructure

CybAge,

8 13261

Convert following infix expression to the prefix expression. a - b + c * (d / e - (f + g))

Amazon, Microsoft, Star Technologies, Sun Microsystems, Wipro,

33 51627

what is atmost complete binary tree?

6 14389


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Un-Answered Questions { Data Structures }

Is array faster than arraylist?

438


What is the use of treemap?

467


Can we use ordered set for performing binary search?

531


What is binary tree in computer science?

482


How do you rotate an AVL tree?

554






What is data structure in programming language?

465


What are the disadvantages of using collection classes over arrays?

508


What is a Queue? Explain its operation with example?

507


What is non linear data structure with example?

496


What is bubble sort in data structure?

492


Which sorting is best?

479


What is fibonacci search?

591


How do you sort an arraylist?

477


Does treeset allow duplicates?

451


What is binary search tree and explain its time complexity?

503