The following letter sequence was generated by using a postorder traversal of a complete binary tree T. d e b f g c h What is the root of this tree?

Select one:
h
d
None of the above
f

KLA

• Feb 10th, 2015

H

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Select one:
O(n)
O(log n)
O(n²)
O(n log n)

B.V. KUMAR

• Feb 10th, 2015

O(n)

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Select one:
O(n)
O(n²)
O(nlog n)
None of the above

dontangryme

• Mar 9th, 2015

O(nlogn)

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Skill/Topic: Stacks and Queues: Insert, Delete, Peek, FindA) OneB) ZeroC) -1D) None of the above

laxmanavasu

• Mar 11th, 2015

B)Zero

Softwaredeveloper

 Profile Answers by Softwaredeveloper Questions by Softwaredeveloper

• Mar 27th, 2010

No, the answer is zero

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You have a 100-story building and a couple of marbles. You must identify thelowest floor for which a marble will break if you drop it from this floor. How fastcan you find this floor if you are given an infinite supply of marbles? What if youhave only two marbles?

Tyler

• May 20th, 2015

Start at floor 10. If the marble breaks start at 1. If it Doesnt go to 20: repeat for 11-19, and Repeat the process for 30,40,... to 100. Max amount of Drops will be 19: at 91. Up all the way to 100(10 drops) and 9 floors down(9 drops)

lily

• Apr 15th, 2015

With 2 marbles: Go to floor 50. If the marble breaks, go to floor 1 then floor 2 and so on up to floor 49 or until your marble breaks. Then the solution is the previous floor. If the marble doe...

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Which of the following data structure is linear type?a. Stringsb. Listsc. Queuesd. All of above

keben

• Jun 1st, 2015

C. Queues

Master

• Feb 26th, 2015

C

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aahwini m

• Feb 8th, 2016

Quicksort is faster than bubble sort and the main difference is time complexity.

Aqan12

 Profile Answers by Aqan12 Questions by Aqan12

• May 26th, 2010

Bubble sort is a very simple algorithm which compares two neighbouring elements and swaps them if they are not in the right order.   In a worst case scenario when the list is alrea...

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Select one:
4
None of the above
5
10

Harsh Gupta

• Feb 20th, 2016

N^2+9n is O(nn), if n^2+9n

sowbarnika

• Feb 10th, 2016

None of the above

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Your job is to build a data structure to maintain a set of photographs. Your photograph database should allow you to insert and search for photographs, as well as to designate some of the photographs as favourites by marking them. In more detail, your data structure should support the following operations:

Insert(x, t, m): inserts photograph x that was taken at time t. If m = 1, then the...

neha

• Oct 12th, 2016

We can maintain the photograph database with the help of the binary tree data structure in which each node represents the photograph and to mark the favorite photograph we can use the flag variable which gets incremented on each favorite photograph.

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Skill/Topic: ArrayA) A multidimensional array can be useful to organize subgroups of data within an array. In addition to organizing data stored in elements of an array, a multidimensional array can store memory addresses of data in a pointer array and an array of pointers

jr ternko

• Dec 20th, 2016

It is used to store data in tabular form.

samiksc

 Profile Answers by samiksc Questions by samiksc

• Jan 19th, 2006

Multidimensional arrays are used to store information in a matrix form -- e.g. a railway timetable, schedule cannot be stroed as a single dimensional array.You may want to use a 3-D array for storing height, width and lenght of each room on each floor of a building.

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Let A be an adjacency matrix of a directed graph in G. Then sum of all entries in the matrix is equal to
Select one:

a) twice the number of vertices in G
b) the number of edges in G
c) the number of vertices in G
d) twice the number of edges in G

Jenny

• May 10th, 2017

No. edges in graph G

Piyush Goyal

• Jan 24th, 2016

B) the number of edges in G

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Select one:
None of the above
5
4
10

Jenny

• May 10th, 2017

None of the above

Babuns

• Sep 9th, 2016

10

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n be the number of nodes and m be number of edges in a graph.

The number of edges in any undirected connected graph is at least
Select one:
a) n
b) n-1
c) None of the above
d) n(n-1)/2

Jenny

• May 10th, 2017

N-1

SHABNAM

• Mar 24th, 2016

N-1

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A multi-way search tree has n items. The number of external nodes is Select one:

a) n2
b) logn
c) n
d) n+1

Jenny

• May 10th, 2017

N+1

Haneesha

• Oct 15th, 2015

N+1

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Select one:
O(1+dv)
O(n)
O(1)
O(dv)

Jenny

• May 10th, 2017

O(1+dv)

jagadish dachepalli

• Jun 2nd, 2016

Can you explain it?

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Jenny

• May 10th, 2017

In 32 bit system - 4 byte
In 64 bit System - 8 byte

uvesh

• Jun 21st, 2016

It is only possible when we declare char pointer (char *p) and print the ("%d",sizeof(p)) while not giving 4 bytes on ("%d",sizeof(*p)) why?

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Skill/Topic: TreeA) TrueB) False

Jenny

• May 10th, 2017

True

mahalakshmi

• Oct 23rd, 2016

B) False

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Skill/Topic: Stacks and Queues: Insert, Delete, Peek, FindA) An IntegerB) a variableC) a characterD) a boolean

Jenny

• May 10th, 2017

An Integer

shivam singh

• May 11th, 2016

B) a variable

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Skill/Topic: Stacks using Linked ListA) Back of the linked listB) Front of the linked listC) Middle of the Linked listD) None of the above

Jennny

• May 10th, 2017

Back of the linked list

Rishabh Bansal

 Profile Answers by Rishabh Bansal Questions by Rishabh Bansal

• Jul 19th, 2015

B) Front of the linked list

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Jenny

• May 10th, 2017

14

Diksha

• Oct 12th, 2015

14 is the answer

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