數(shù)據(jù)結構（全英文）智慧樹知到期末考試答案章節(jié)答案2024年山東科技大學

數(shù)據(jù)結構（全英文）智慧樹知到期末考試答案+章節(jié)答案2024年山東科技大學The

________notation

is

used

in

Computer

Science

to

describe

the

performance

or

complexity

of

an

algorithm.（

）

答案:Big

Oh26.

Identify

the

recursive

expression

to

obtain

the

nth

Fibonacci

number

using

recursion.

(

)

答案:fib(n)=fib(n-1)+fib(n-2)7.

The

data

structure

which

is

designed

to

determine

whether

the

left

and

right

brackets

are

paired

in

the

expression

is:

(

)

答案:StackThetimecomplexityofBinarysearchalgorithmwithnelementsis________.

答案:26.

Binary

search

works

on

________arrays.（

）

答案:sortedConsider

the

following

definition

in

C

programming

languagestruct

node

{

int

data;

struct

node

*

next;}typedef

struct

node

NODE;NODE

*ptr;Which

of

the

following

c

code

is

used

to

create

new

node?(

)

答案:ptr=(NODE*)malloc(sizeof(NODE));If

we

store

the

nodes

of

a

binary

tree

in

an

array

with

index

starting

from

zero,

the

left

child

of

a

node

having

index

n

can

be

obtained

by(

)

答案:2n+1The

common

feature

of

stacks

and

queues

is

(

).

答案:Only

elements

are

allowed

to

be

inserted

and

deleted

at

the

end

pointsIn

a

stack,

the

process

of

removing

an

element

is

called

as

（

）

答案:POPEach

node

in

a

linked

list

contain

minimum

two

fields

one

field

called

data

field

to

store

data.

Another

field

is

of

type

(

)

答案:Pointer

to

node40.

In

the

polynomial,

A(x)=

x4+10x3+3x2+1,

what

is

(exponent,

coefficient)

pair

of

first

term?

(

)

答案:(4,1)Consider

the

following

C

code,

where

stack

is

implemented

using

the

array.#define

MAX

10struct

STACK

{

int

arr[MAX]

int

top

=

__________;}What

will

be

the

initial

value

with

which

top

is

initialized?(

)

答案:-1Array

is

an

example

of

_______

type

memory

allocation.(

)

答案:compile

time59.

Consider

an

integer

array

which

stores

the

values

of

binary

tree

as

(91,6,82,18,4,2,100).

What

is

the

value

of

father

node

of

node

with

value

2?

(

)

答案:82Pushing

element

to

stack

means(

).

答案:Placing

element

at

the

topThe

preorder

traversal

sequence

of

a

binary

search

tree

is

30,

20,

10,

15,

25,

23,

39,

35,

42.Which

one

of

the

following

is

the

postorder

traversal

sequence

of

the

same

tree?(

)

答案:15,

10,

23,

25,

20,

35,

42,

39,

30The

elements

are

removed

form

stack

in

__________order(

)

答案:ReverseIf

we

store

the

nodes

of

a

binary

tree

in

an

array

with

index

starting

from

zero,

the

father

of

a

node

having

index

n

can

be

obtained

by(

)

答案:(n-1)/2User

perform

following

operations

on

stack

of

size

five

:

push(1);pop();push(2);push(3);pop();push(4);pop();pop();push(5);

at

the

end

of

last

operation,

total

number

of

elements

present

in

the

stack

are(

)

答案:D.1Which

of

the

following

tree

traversal

visits

the

root

first?(

)

答案:PreorderA

linear

list

of

elements

in

which

deletion

can

be

done

from

one

end

(front)

and

insertion

can

take

place

only

at

the

other

end

(rear)

is

known

as

a(

)

答案:QueueWhich

of

the

following

term

is

not

used

with

stacks

in

general?

(

)

答案:Front64.

What

of

the

following

statements

is

incorrect

regarding

linked

lists?

(

)

答案:Linked

lists

is

an

example

of

nonlinear

data

structure17.

Logically,

data

structures

can

be

divided

into

two

categories:

(

)

答案:Linear

and

nonlinear18.

Which

of

the

following

data

structures

is

a

linear

structure?

(

)

答案:String25.

Identify

the

recursive

expression

to

find

the

factorial

of

a

number

using

recursion.

(

)

答案:fact(n)=n*fact(n-1)In

algorithm

which

converts

infix

expression

to

postfix

expression.

the

ICP

stands

for(

)

答案:In-Coming

PriorityWhich

of

the

following

data

structures

is

a

nonlinear

structure?

(

)

答案:Binary

tree37.

In

the

polynomial,

A(x)=

x4+10x3+3x2+1,

what

is

the

correct

list

of

exponents

only?

(

)

答案:(4,3,2,0)What

is

the

maximum

number

of

nodes

in

a

binary

tree

with

depth

of

4?

(

)

答案:15If

the

elements

“A”,

“B”,

“C”

and

“D”

are

placed

in

a

queue

and

are

deleted

one

at

a

time,

in

what

order

will

they

be

removed(

)

答案:ABCDIf

two

numbers

in

sequence

in

the

Fibonacci

series

are

13,

21,

what

is

the

next

number?

(

)

答案:3462.

Which

of

the

following

statement

about

the

algorithm

is

wrong:

(

)

答案:All

the

above

statements

are

incorrectA

linear

collection

of

data

element

given

by

means

of

pointer

is

called

(

)

答案:Linked

list23.

Arrows

in

the

flowchart

is

used

for

the

purpose

of

______.(

)

答案:to

decide

the

order

of

steps19.

In

the

following

data,__________is

a

nonlinear

data

structure.

(

)

答案:binary

treeArray

which

is

having

____________

dimensions

is

called

as

2-D

array.(

)

答案:2While

evaluating

expressions

using

computers,

computer

prefer

___________expression.(

)

答案:postfix20.

The

word

algorithm

is

derived

from

the

name

of

__________________.

(

)

答案:Ibn

Musa

Al-KhwarizmiThemaximumnumberofnodesofleveliofabinarytreeis___,fori≥1.

答案:Queues

serve

major

role

in(

)

答案:Simulation

of

limited

resource

allocationConsider

the

following

C

code,

where

stack

is

implemented

using

the

array.#define

MAX

10struct

STACK

{

int

arr[MAX]

int

top

=

-1;}In

this

implementation

of

stack,

maximum

value

of

top

which

cannot

cause

overflow

will(

)

答案:9The

following

numbers

are

inserted

into

an

empty

binary

search

tree

in

the

given

order:

10,1,

3,

5,

15,

12,

16.

What

is

the

height

of

the

binary

search

tree?(

)

答案:4Find

the

correct

statement

(

)

答案:Generating

Fibonacci

series,

and

finding

a

factorial

of

number

programs

can

be

implemented

using

both

iteration

and

recursion.55.

Consider

an

integer

array

which

stores

the

values

of

binary

tree

as

(91,6,82,18,4,2,100).

What

is

the

depth

of

this

binary

tree?

(

)

答案:3Which

of

the

following

case

does

not

exist

in

complexity

theory

（

）

答案:Null

case45.

If

there

are

n

non-zero

terms

in

a

polynomial,

the

size

of

the

array

required

would

be________.(

)

答案:2n+116.

In

a

Binary

Search

Tree,

for

any

root

of

subtree,

the

keys

of

all

nodes

in

its

left

subtree

is

____________to

the

keys

of

all

nodes

in

its

right

subtree.

(

)

答案:less

than

or

equal

to13.

Which

of

the

following

term

is

used

with

queues

in

general?

(

)

答案:rearIn

the

polynomial,

A(x)=

x4+10x3+3x2+1,

if

we

start

representing

using

array,

what

is

the

maximum

size

of

array?

(

)

答案:9Ifwestorethenodesofabinarytreeinanarraywithindexstartingfromzero,therightchildofanodehavingindexncanbeobtainedat:

答案:2n+2Themaximumnumberofnodesinatreeforwhichpostorderandpreordertraversalsmaybeequaltois_______.

答案:1WhichofthefollowingtraversaloutputsthedatainsortedorderinaBST?

答案:InorderWhatisthemaximumnumberchildrenthatabinarytreenodecanhave?

答案:2Supposethenumbers7,5,1,8,3,6,0,9,4,2areinsertedinthatorderintoaninitiallyemptyBinarySearchTree.TheBinarySearchTreeusestheusualorderingonnaturalnumbers.Whatistheinordertraversalsequenceoftheresultanttree?

答案:0123456789Theinordertraversaloftreewillyieldasortedlistingofelementsoftreein

答案:BinarysearchtreesAcompletebinarytreeisatreewhere________________.

答案:everylevelofthetreeiscompletelyfilledexceptthelastlevelAfullbinarytreeisatreewhere________________.

答案:eachnodehasexactlyzeroortwochildren.Toobtainaprefixexpression,whichofthefollowingtraversalsisused?

答案:PreorderTorepresenthierarchicalrelationshipbetweenelements,whichdatastructureissuitable?

答案:treeA

linearlistofdataelementswhereeachelementcallednodeisgivenbymeansofpointeriscalled

答案:linkedlistIndoublylinkedlists,traversalcanbeperformed?

答案:InbothdirectionsWhatisthetimecomplexitytocountthenumberofelementsinthelinkedlist?

答案:O(n)Whatkindoflistisbesttoanswerquestionssuchas:“Whatistheitematpositionn?”

答案:ListimplementedwithanarrayConsideranimplementationofunsortedsinglylinkedlist.Supposeithasrepresentationwhichaheadpointeronly.Giventherepresentation,whichofthefollowingoperationcanbeimplementedinO(1)time?(I).Insertionatthefrontofthelinkedlist.(II).Insertionattheendofthelinkedlist.(III).Deletionofthefrontnodeofthelinkedlist.(IV).Deletionofthelastnodeofthelinkedlist.

答案:IandIIIInwhichofthefollowinglinkedliststherearenoNULLlinks?

答案:CircularlinkedlistThelinkfieldinanodecontains:

答案:addressofthenextnodeInasinglylinkedlistwhichoperationdependsonthelengthofthelist.

答案:DeletethelastelementofthelistLinkedlistdatastructureoffersconsiderablesavingin:

答案:SpaceutilizationandcomputationaltimeAlinearlistinwhicheachnodehaspointerstopointtothepredecessorandsuccessorsnodesiscalledas:

答案:Doubly-linkedlistsOnedifferencebetweenaqueueandastackis:

答案:Queuesusetwoendsforaddinganddeleting,butstacksuseone.Whatisthetimecomplexityofalinearqueuehavingnelements?

答案:O(n)Inaqueuethedeletionsaretakeplaceat_________.

答案:frontOneoftheadvantageofcircularqueueis_____________.

答案:effectiveuseofmemoryInaqueuetheinsertionsaretakeplaceat_________.

答案:rearAqueueisadatastructureinwhichallinsertionsanddeletionsaremaderespectivelyat:

答案:rearandfrontWhatisadequeue?

答案:Aqueuewithinsert/deletedefinedforbothfrontandrearendsofthequeueWhichofthefollowingisnotthetypeofqueue.

答案:singleendedqueueIncircularqueue,thefrontwillalwayspointtooneposition__________fromthefirstelementinthequeue.

答案:counterclockwiseThefollowingdatastructureisusedforschedulingofjobsduringbatchprocessingincomputers.

答案:queueTheelementisinsertedfirstandwillberemovedlastin

_____________.

答案:stackThepostfixformofA*B+C/Dis?

答案:AB*CD/+Thedatastructurerequiredtocheckwhetheranexpressioncontainsbalancedparenthesisis?

答案:StackWhichofthefollowingstatementiscorrect.

答案:ApostfixexpressionisnotthereverseoftheprefixexpressionWhichofthefollowingapplicationsmayuseastack?:

答案:AlloftheaboveAstackisadatastructureinwhichallinsertionsanddeletionsaremaderespectivelyat:

答案:oneendWhichdatastructureisneededtoconvertinfixnotationtopostfixnotation?

答案:StackTransformthefollowinginfixexpressiontopostfixform.

(A+B)*(C-D)/E

答案:AB+CD-*E/Transformthefollowinginfixexpressiontoprefixform.

((C*2)+1)/(A+B)

答案:/+*C21+ABTheexpression1*2^3*4^5*6isevaluatedas(^isforpower,asina^b=ab):

答案:49152WhilerepresentingthesparsematrixA(m×n)withtnon-zerotermsin3-tuplesform,thesizeofthematrixbecomes

答案:(t+1)×3Amatrixhavingalargernumberofelementswithzerovaluesthanthenumberofnon-zeroelementsissaidtobea_____________.

答案:sparsematrixDeletionofanelementfromthearrayreducesthesizeofarrayby___________.

答案:oneWhichofthefollowingstatementistrueregardingTRANSPOSEandFAST_TRANSPOSEalgorithms.

答案:TheTRANSPOSEalgorithmisslowerthanFAST_TRANSPOSEConsideringasparseofm×nmatrixwithtnon-zeroterms,inFAST_TRANSPOSEalgorithm,thesizeofone-dimensionalarray(SorT)isequalto:

答案:nTwodimensionalarraysareusefulwhentheelementsbeingprocessed