Solution of C++ Programs for Class 12

7/23/2019 Solution of C++ Programs for Class 12

http://slidepdf.com/reader/full/solution-of-c-programs-for-class-12 1/42

Program 1:#include<iostream.h>#include<conio.h>

#include<math.h>float simpleinterest(int p,float r,int t){

float sinterest=0sinterest=((p!r!t)"100)return sinterest

float compoundinterest(int p,float r,int t){

float cinterest=0cinterest=(p!(po$((1%(r"100)),t))return cinterest

&oid main(){

clrscr()

int p,t,chfloat r,interest=0

cout<<'nnter the amount'cin>>pcout<<'nnter the rate of interest'cin>>rcout<<'nnter the time'cin>>t

cout<<'nnter *our choice :'cout<<'n+alculate interest on amount using'cout<<'n1.imple -nterest'cout<<'n.+ompound -nterest'cin>>ch

s$itch(ch){

case 1:interest=simpleinterest(p,r,t)cout<<'n/mount after imple -nterest is '<<interest rea

case :

interest=compoundinterest(p,r,t)cout<<'n/mount after +ompound -nterest is '<<interest rea

default:cout<<'n2rong +hoice.'

getch()

Program :#include<iostream.h>#include<conio.h>

#include<process.h>&oid main(){

clrscr()int 3,n,iint total=1

cout<<'nnter a numer '

cin>>3cout<<'nnter the po$er '



cin>>nif(n<0){

cout<<'n4egati&e po$er'e3it(0)

for(i=1i<=ni%%){

total=total!3

cout<<'n'<<3<<' raised to '<<n<<' is '<<totalgetch()

Program 5:

#include<iostream.h>#include<conio.h>#include<stdio.h>#include<ct*pe.h>

&oid main(){

clrscr()char ch6507int cal=0,sal=0,nal=0cout<<'nnter a string'gets(ch)for(int i=0ch6i78=909i%%)

{if(isupper(ch6i7))

cal%%else if(islo$er(ch6i7))

sal%%

elsenal%%

cout<<'n 4o of +apital /lphaets '<<calcout<<'n 4o of mall /lphaets '<<salcout<<'n 4o of 4on/lphaets '<<nalgetch()

Program ;:#include<iostream.h>#include<conio.h>#include<stdio.h>#include<ct*pe.h>

&oid main(){

clrscr()char ch6507cout<<'nnter a string'gets(ch)

for(int i=0ch6i78=909i%%){

if(isupper(ch6i7))ch6i7=tolo$er(ch6i7)

else if(islo$er(ch6i7))ch6i7=toupper(ch6i7)

cout<<'ntring after change is ' puts(ch)



getch()

Program :#include<iostream.h>#include<conio.h>

&oid main(){

clrscr()

int arr6107,ncout<<'nnter sie of arra* 'cin>>ncout<<'nnter arra* elements 'for(int i=0i<ni%%)

cin>>arr6i7

cout<<'nntered elements of arra* are 'for(i=0i<ni%%)

cout<<arr6i7<<' 'getch()

Program :#include<iostream.h>#include<conio.h>&oid main(){

clrscr()

int arr6107,ncout<<'nnter sie of arra* 'cin>>ncout<<'nnter arra* elements 'for(int i=0i<ni%%)

cin>>arr6i7cout<<'n/rra* elements in re&erse order are 'for(i=n1i>=0i)

cout<<arr6i7<<' 'getch()

Program ?:#include<iostream.h>#include<conio.h>#include<process.h>&oid main(){

clrscr()int a6767,6767,c6767int i,@,,m,n,p,rcout<<'nnter the numer of ro$s and columns of matri3 / 'cin>>m>>ncout<<'nnter the numer of ro$s and columns of matri3 A '

cin>>p>>rcout<<'nnter elements of matri3 / 'for(i=0i<mi%%){

for(@=0@<n@%%)cin>>a6i76@7

cout<<'nnter elements of matri3 A 'for(i=0i<pi%%)



{for(@=0@<r@%%)

cin>>6i76@7

int chcout<<'nnter *our choice'

cout<<'n1. /ddition of Batrices / and A'cout<<'n. Cifference of Batrices / and A'cout<<'n5. Product of / and A'

cin>>chs$itch(ch){

case 1:if(m8=pDDn8=r){

cout<<'n+annot add matrices'e3it(0)

for(i=0i<mi%%)

{for(@=0@<n@%%)

{c6i76@7=a6i76@7%6i76@7

cout<<'nEesultant matri3 is n'for(i=0i<mi%%)

{for(@=0@<n@%%){

cout<<c6i76@7<<' '

cout<<endl rea

case :if(m8=pDDn8=r){

cout<<'n+annot sutract matrices'

e3it(0)for(i=0i<mi%%){

for(@=0@<n@%%){

c6i76@7=a6i76@76i76@7

cout<<'nEesultant matri3 is 'for(i=0i<mi%%){

for(@=0@<n@%%){

cout<<c6i76@7<<' 'cout<<endl

rea

case 5:if(n8=p)



{cout<<'n+annot multipl* matrices'e3it(0)

for(i=0i<mi%%){

for(@=0@<r@%%){

c6i76@7=0

for(=0<n%%){c6i76@7=c6i76@7%(a6i767!676@7)

cout<<'nEesultant matri3 is 'for(i=0i<mi%%){

for(@=0@<r@%%)

{cout<<c6i76@7<<' '

cout<<endl

rea

default:cout<<'n2rong choice'

reagetch()

Program F:#include<iostream.h>#include<conio.h>#include<process.h>&oid main(){

clrscr()int a6767int i,@,m,ncout<<'nnter the numer of ro$s and columns of matri3 / 'cin>>m>>nif(m8=n)

e3it(0)cout<<'nnter elements of matri3 / 'for(i=0i<mi%%){

for(@=0@<n@%%)cin>>a6i76@7

int sum=0cout<<'nCiagonal elements are n'for(i=0i<mi%%){

for(@=0@<n@%%)

{

if(i==@){



sum=sum%a6i76@7cout<<a6i76@7

elsecout<<' '

cout<<'num of diagonal elements is '<<sumgetch()

Program G:#include<iostream.h>#include<conio.h>#include<stdio.h>

#include<process.h>struct student{

char name6507

int rollint mar1

int marint mar5int total

st61007int main(){

int n,ch,i,@,rchar choicedo{cout << '1. -nput tudent Cetails '<<endl

cout << '. Print report'<<endlcout << '5. earch for a tudent'<<endlcout << ';. 3it'cin >> chs$itch(ch){

case 1: cout << 'nter ho$ man* students '

cin >>nfor(i=0i<ni%%){

cout << 'nter name 'gets(st6i7.name)cout <<endl<< 'nter Eoll 4umer '

cin >>st6i7.rollcout << 'nter Bar1 'cin >>st6i7.mar1cout << 'nter Bar 'cin >> st6i7.marcout << 'nter Bar5 '

cin >> st6i7.mar5st6i7.total = st6i7.mar1%st6i7.mar%st6i7.mar5

reacase :

student temp

for (i=0i<ni%%){



for(@=i@<n1@%%){

if ([email protected]>st6@%17.total)

{temp = st6@7st6@7=st6@%17

st6@%17=temp

cout <<'4ame 'cout <<'Eoll'cout <<'Bar1'cout <<'Bar'cout <<'Bar5'

cout <<'Hotal'

for(i=0i<ni%%){

cout <<st6i7.namecout <<st6i7.rollcout <<st6i7.mar1

cout <<st6i7.marcout <<st6i7.mar5cout <<st6i7.total

rea

case 5: int trollcout << 'nnter the roll numer to e searched 'cin >> trollfor(i=0i<ni%%)

{if (st6i7.roll == troll)

{cout << ' n 4ame '<<st6i7.namecout << 'n Eoll '<< st6i7.rollcout << 'n Bar1 '<<st6i7.mar1cout << 'n Bar '<<st6i7.marcout << 'n Bar5 '<<st6i7.mar5

cout << 'n total '<<st6i7.total

rea

case ;: e3it(0)

cout << 'n Co I $ant to continue'cin>>choice$hile(choice == 9J9 DDchoice ==9*9)

getch()return 0

Program 10:

#include<iostream.h>

#include<math.h>

#include<conio.h>float area(float p)



{return 5.1;!p!p

float area(int p){

return p!p

float area(float p,float K){return p!K

float area(int p, int K)

{return (0.!p!K)

float area(float p,float K, float r){

float ss=(p%K%r)"return sKrt(s!(sp)!(sK)!(sr))

&oid main()

{clrscr()int p,K,chfloat a,,rchar choicedo{

cout<<'nn+hoose from the follo$ing : 'cout<<'nn1. /rea of sKuare 'cout<<'nn. /rea of circle 'cout<<'nn5. /rea of rectangle 'cout<<'nn;. /rea of right triangle 'cout<<'nn. /rea of triangle 'cout<<'nnnter *our choice : ' cin>>ch

s$itch(ch){case 1: cout<<'nnnter side of sKuare : '

cin>>pcout<<'nnarea of sKuare is : '<<area(p)

rea

case : cout<<'nnnter radius of circle : 'cin>>acout<<'nnarea of circle is : '<<area(a) rea

case 5: cout<<'nnnter length of rectangle : 'cin>>acout<<'nnnter readth of rectangle : 'cin>>cout<<'nnarea of rectangle is : '<<area(a,)

rea

case ;: cout<<'nnnter ase and altitude of right triangle : '



cin>>pcin>>Kcout<<'nnarea of right triangle is : '<<area(K,p)

rea

case : cout<<'nnnter sides of triangle : 'cin>>acin>>

cin>>rcout<<'nnarea of triangle is : '<<area(a,,r) rea

cout<<'nn2ant to choose again : '

cin>>choice$hile(choice==9*9DDchoice==9J9)

getch()

Program 11:

#include<iostream.h>#include<conio.h>#include<stdio.h>

class tudent{

pri&ate:int rollnochar stuLname6507

int claschar address607float percent

pulic:&oid getdata(){

cout<<endl<<'nter roll numer '

cin>>rollnocout<<endl<<'nter name 'gets(stuLname)cout<<endl<<'nter address 'gets(address)cout<<endl<<'nter +lass '

cin>>clascout<<endl<<'nter percentage 'cin>>percent

&oid putdata(){

cout<<endl<<'Eoll numer '<<rollnocout<<endl<<'4ame ' puts(stuLname)cout<<endl<<'/ddress ' puts(address)cout<<endl<<'+lass '<<clas

cout<<endl<<'Percentage '<<percent

int retLrollno()



{return rollno

int retLclas(){

return clas

&oid main()

{clrscr()tudent s67int i,roll,clasnofor(i=0i<i%%){

cout<<'nter details for tudent '<<i%1s6i7.getdata()

cout<<endl<<'nter the roll numer $hose details *ou $ish to see '

cin>>rollcout<<endl<<'nter the +lass '

cin>>clasnoint flag=0for(i=0i<i%%){

if((s6i7.retLrollno()==roll) MM (s6i7.retLclas()==clasno)){

s6i7.putdata()flag=1

if(flag==0)

cout<<endl<<'4o student $ith such roll numer e3ists 'getch()

Program 15:


#include<conio.h>#include<stdio.h>class Person{

pri&ate:char name6507

char address607long int phoneno

pulic:&oid readinfo(){

cout<<endl<<'nter name '

gets(name)cout<<endl<<'nter address 'gets(address)cout<<endl<<'nter phone numer 'cin>>phoneno

&oid sho$info()

{cout<<endl<<'4ame : '



puts(name)cout<<endl<<'/ddress : ' puts(address)

cout<<endl<<'Phone 4o : '<<phoneno

class tudent:pulic Person{

pri&ate:

int rollnochar schoolnm6507int clasfloat percent

pulic:&oid readstudinfo()

{readinfo()cout<<endl<<'nter chool name 'gets(schoolnm)

cout<<endl<<'nter Eoll 4umer 'cin>>rollno

cout<<endl<<'nter +lass 'cin>>clascout<<endl<<'nter Percentage 'cin>>percent

&oid displa*studinfo()

{sho$info()cout<<endl<<'chool 4ame : ' puts(schoolnm)cout<<endl<<'Eoll 4umer : '<<rollno

cout<<endl<<'+lass : '<<clascout<<endl<<'Percentage : '<<percent

class mplo*ee:pulic Person{

pri&ate:

int empidchar compan*nm6507char designation607

pulic:&oid readempinfo(){

readinfo()cout<<endl<<'nter +ompan* name 'gets(compan*nm)cout<<endl<<'nter mplo*ee id 'cin>>empidcout<<endl<<'nter Cesignation '

gets(designation)&oid displa*empinfo(){

sho$info()cout<<endl<<'+ompan* 4ame : '

puts(compan*nm)

cout<<endl<<'mplo*ee id : '<<empidcout<<endl<<'Cesignation : '



puts(designation)

&oid main(){

clrscr()

cout<<endl<<'tudent N@ect'tudent ss.readstudinfo()

s.displa*studinfo()cout<<endlcout<<endl<<'mplo*ee N@ect'mplo*ee ee.readempinfo()e.displa*empinfo()

getch()

Program 1;:


#include<conio.h>#include<stdio.h>class Person{

pri&ate:char name6507

char address607long int phoneno

pulic:&oid readinfo(){

cout<<endl<<'nter name 'gets(name)cout<<endl<<'nter address 'gets(address)cout<<endl<<'nter phone numer 'cin>>phoneno

&oid sho$info(){

cout<<endl<<'4ame : ' puts(name)cout<<endl<<'/ddress : ' puts(address)

cout<<endl<<'Phone 4o : '<<phoneno

class tudent:pulic Person{

pri&ate:

int rollnofloat percent

pulic:&oid readstudinfo(){

readinfo()

cout<<endl<<'nter Eoll 4umer '

cin>>rollnocout<<endl<<'nter Percentage '



cin>>percent&oid displa*studinfo()

{sho$info()cout<<endl<<'Eoll 4umer : '<<rollno

cout<<endl<<'Percentage : '<<percent

class Oraduatetudent:pulic tudent{

pri&ate:char su@ect6507char collegenm6507char $oring

pulic:&oid readgstudinfo(){

readstudinfo()

cout<<endl<<'nter +ollege name 'gets(collegenm)

cout<<endl<<'nter Bain u@ect 'gets(su@ect)cout<<endl<<'2oring(J"4): 'cin>>$oring

&oid displa*gstudinfo()

{displa*studinfo()cout<<endl<<'+ollege 4ame : ' puts(collegenm)cout<<endl<<'Bain u@ect : '

puts(su@ect)char $orstatus(){

return $oring

&oid main(){

clrscr()int *ear,iint $orstud=0,non$or=0cout<<endl<<'nter *ear '

cin>>*earOraduatetudent gs67for(i=0i<i%%){

gs6i7.readgstudinfo()if(gs6i7.$orstatus()==9*9DDgs6i7.$orstatus()==9J9)

$orstud%%else

non$or%%clrscr()cout<<endl<<'E.P. BBNE-/Q 4-NE + PIAQ-+ +RNNQ '<<endl

cout<<endl<<'Cetails of /lumus for Jear '<<*ear<<' are : '

cout<<endlcout<<endl<<'Jear : '<<*ear



cout<<endl<<'4o of $oring /lumunus '<<$orstudcout<<endl<<'4o of non$oring /lumunus '<<non$orcout<<endl

for(i=0i<i%%)gs6i7.displa*gstudinfo()

getch()

Program 1:

#include<iostream.h>#include<string.h>

#include<stdio.h>#include<conio.h>class +lothing{

char +ode617char H*pe617int iechar Baterial607

float Price pulic:

+lothing(){

strcp*(+ode,' ')strcp*(H*pe,' ')strcp*(Baterial,' ')ie = 0

Price = 0"" Cestructor to deallocate &aluesS +lothing()

{cout<<'+alling Cestructor'

&oid +alPrice(){

if (strcmp(Baterial, '+NHHN4') == 0){

Price = 100

elseif (strcmp(Baterial, 'QJ+E/') == 0){

Price = 100

&oid nter(){

cout << 'nter code : 'gets(+ode)

cout << 'nter t*pe : 'gets(H*pe)cout << 'nter sie : 'cin >> iecout << 'nter Baterial : 'gets(Baterial)

+alPrice()



"" Tunction to displa* &alues&oid ho$(){

cout << '+ode : ' puts(+ode)cout << 'H*pe : '

puts(H*pe)cout << 'ie : ' << ie << endlcout << 'Baterial : '

puts(Baterial)cout << 'Price : ' << Price

&oid main(){

clrscr()+lothing ++.nter()+.ho$()

Program 1:

#include<iostream.h>#include<conio.h>#include<stdio.h>class Aan

{ pri&ate:

long int accnochar name6507char address607

float alance pulic:

&oid readdata()&oid sho$data()&oid $ithdra$(int)&oid deposit(int)

&oid Aan::readdata(){

cout<<endl<<'nter account numer 'cin>>accnocout<<endl<<'nter name 'gets(name)

cout<<endl<<'nter address 'gets(address)cout<<endl<<'nter account alance 'cin>>alance

&oid Aan::sho$data()

{cout<<endl<<'/ccount numer '<<accnocout<<endl<<'4ame ' puts(name)cout<<endl<<'/ddress ' puts(address)

cout<<endl<<'/ccount alance '<<alance

&oid Aan::$ithdra$(int amount)



{float al=0 al=alanceamount

if(al<1000){

cout<<endl<<'+annot $ithdra$ '

else{

alance=al

&oid Aan::deposit(int amount){

alance%=amount

&oid main(){

clrscr()

int chchar choice

do{cout<<endl<<'nter *our choice'cout<<endl<<'1. /dd Cetail 'cout<<endl<<'. ho$ Cetail 'cout<<endl<<'5. 2ithdra$ /mount '

cout<<endl<<';. Ceposit anount 'cin>>chAan 1int amt=0s$itch(ch)

{case 1:

1.readdata() rea

case : 1.sho$data() rea

case 5:amt=0cout<<endl<<'nter the amount *ou $ant to $ithdra$'cin>>amt 1.$ithdra$(amt) rea

case ;:amt=0cout<<endl<<'nter the amount *ou $ant to deposit'cin>>amt 1.deposit(amt) rea

default:cout<<endl<<'2rong choice'

cout<<endl<<'Co *ou $ish to continue(*"n)'cin>>choice$hile(choice==9*9DDchoice==9J9)

getch()



Program 1?:#include<iostream.h>#include<conio.h>

&oid s$ap(int !a,int !){

int temp

temp=!a!a=!!=temp

&oid main(){

clrscr()int 3,*cout<<'nnter &alues of 3 and * '

cin>>3>>*cout<<'nUalues efore s$apping are 'cout<<'n3='<<3<<'n*='<<*s$ap(M3,M*)

cout<<'nnUalues after s$apping are 'cout<<'n3='<<3<<'n*='<<*

getch()

Program 1F:


#include<conio.h>&oid main(){

clrscr()int a67={11,15,1,,,?F,G0

int !p=aint icout<<'n/rra* elements initiall* are n'for(i=0i<?i%%)

cout<<a6i7<<'n'cout<<'n/rra* elements using a pointer to arra* are n'for(i=0i<?i%%)

cout<<!p%%<<'n' p=acout<<'n/rra* elements after incrementing each element * 1 are n'for(i=0i<?i%%){

(!p)%%

cout<<a6i7<<'n'getch()

Program 1G:

#include<fstream.h>#include<stdio.h>#include<conio.h>#include<ct*pe.h>#include<process.h>&oid main()

{

clrscr()int n,@



fstream ofile,afilechar str61007char ch,ch1

do{

cout<<'nt1.+reate He3tnt.+ount &o$els"$ords"digitsnt5.ho$ He3tnt;.3it'cin>>chs$itch(ch)

{ case 919 :

ofile.open('smp.t3t',ios::out)cout<<'n nter Hhe He3t 'gets(str)ofile<<str

ofile.close() rea

case 99 :char tmp1

int &=0,d=0,$=0afile.open('smp.t3t',ios::in)

$hile(8afile.eof()){

afile.get(tmp1)if(tmp1==9a9DDtmp1==9e9DDtmp1==9i9DDtmp1==9o9DDtmp1==9u9)

&%%if(isdigit(tmp1))

d%%if(tmp1==9 9DDtmp1==9.9)

$%%

afile.close()cout<<'n 4o of Uo$els: '<<&cout<<'n 4o of digits: '<<dcout<<'n 4o of $ords: '<<$%1 rea

case 959 :afile.open('smp.t3t',ios::in)

$hile(afile){

afile.get(ch)cout<<ch

afile.close()

rea case 9;9 : e3it(0)cout<<'nt CN I $ant to continue 'cin>>ch1

$hile(ch1==9J9DDch1==9*9)

getch()

Program 0:

#include<fstream.h>

#include<conio.h>

#include<stdio.h>struct telrec



{long int telnochar custLname6507

t1&oid main(){

clrscr()int chchar choice

do{cout<<'nter *our choice '<<endlcout<<'1. /dd Cetail '<<endlcout<<'. Tind customer '<<endlcin>>ch

s$itch(ch){

case 1:ofstream f

f.open('HQPRN4.HVH',ios::out)cout<<'nter telephone numer : '

cin>>t1.telnocout<<endl<<'nter customer name : 'gets(t1.custLname)f.$rite((char!)Mt1,sieof(telrec))f.close() rea

case :long int telint flag=0ifstream f1f1.open('HQPRN4.HVH',ios::in)

cout<<'nter the numer *ou $ant to search 'cin>>telcout<<endl$hile(8f1.eof()){

f1.read((char!)Mt1,sieof(t1))if(t1.telno==tel)

{cout<<'+ustomer name is '<<t1.custLname<<endlflag=1 rea

if(flag==0) cout<<'+ustomer not found' f1.close() rea

cout<<'Co *ou $ish to continue(*"n) '

cin>>choice$hile(choice==9*9DDchoice==9J9)getch()

Program 1:

#include<fstream.h>#include<stdio.h>



#include<conio.h>#include<process.h>#include<string.h>

class donor {

char name6507

char address6507char group67 pulic:

&oid input(){

cout<<'nnter Conor 4ame: 'gets(name)cout<<'nter /ddress: 'gets(address)

cout<<'nter Alood Oroup: 'gets(group)

&oid displa*()

{cout<<'nConor 4ame: '<<name<<'t/ddress: '<<address<<'tAlood Oroup:

'<<group<<'t'

char !getgroup(){

return group

&oid main(){

clrscr()donor dint n,i,@fstream ofile,afile

char ch,ch1

do{

cout<<'nt1./dd recordsnt.earch Eecordsnt5.Qist Eecordsnt;.3it'cin>>chs$itch(ch){

case 919 :ofile.open('dnr.dat',ios::outDios::inar*)cout<<'nnter no. of records to e ntered: 'cin>>nfor(i=0i<ni%%){

d.input()ofile.$rite((char!)Md,sieof(donor))

ofile.close() rea

case 99 : cout<<'nnter Alood Oroup to e searched: '

char g67,flag=0

gets(g)afile.open('dnr.dat',ios::in)



$hile(afile){

afile.read((char !)Md,sieof(donor))

if(8afile) rea

if (strcmp(g,d.getgroup())==0)

{d.displa*()flag=1

if(flag==0)

cout<<'n 4o record Tound'afile.close()

rea case 959 :

afile.open('dnr.dat',ios::in)$hile(afile)

{afile.read((char !)Md,sieof(donor))

if(8afile) rea

d.displa*()afile.close() rea

case 9;9 : e3it(0)cout<<'nt CN I $ant to continue '

cin>>ch1 $hile(ch1==9J9DDch1==9*9)getch()

Program :

#include<fstream.h>#include<stdio.h>#include<conio.h>#include<process.h>class oo {

char name6507int nofloat price pulic:&oid input(){

cout<<'nnter Aoo 4ame: 'gets(name)cout<<'nter ANNW 4o.: 'cin>>nocout<<'nter Price'cin>>price

&oid setprice(){



cout<<'nnter Price'cin>>price

&oid displa*(){

cout<<'nAoo 4ame: '<<name<<'tAoo 4o.: '<<no<<'tPrice: '<<price<<'t'

int getno(){

return no

&oid main(){

clrscr() oo int n,i,@fstream ofile,afile

char ch,ch1

do{

cout<<'nt1./dd recordsnt.earch Eecordsnt5.Bodif* Eecordsnt;.3it'cin>>chs$itch(ch)

{ case 919 :

ofile.open('.dat',ios::outDios::inar*)cout<<'nnter no. of records to e ntered: 'cin>>n

for(i=0i<ni%%){

.input()ofile.$rite((char!)M,sieof(oo))

ofile.close() rea

case 99 : cout<<'nnter Aoo 4o. to e searched: 'int n,flag=0cin>>nafile.open('.dat',ios::in)$hile(afile){

afile.read((char !)M,sieof(oo))if(8afile)

reaif (n==.getno()){

.displa*()

flag=1 rea

if(flag==0)

cout<<'n 4o record Tound'

afile.close()

rea case 959 :



cout<<'nnter Aoo 4o. to e modified 'int n1,flag1=0,r=0cin>>n1

afile.open('.dat',ios::inDios::outDios::inar*)$hile(afile){

afile.read((char !)M,sieof(oo))if(8afile)

rea

if (n1==.getno()){

.setprice()afile.seep(r!sieof(),ios::eg)afile.$rite((char !)M,sieof(oo))flag1=1

rear%%

if(flag1==0)cout<<'n 4o record Tound'

afile.close() rea

case 9;9 : e3it(0)

cout<<'nt CN I $ant to continue 'cin>>ch1

$hile(ch1==9J9DDch1==9*9)getch()

Program 5:

#include<iostream.h>#include<limits.h>#include<process.h>#include<conio.h>

int linearLsearch(int /6 7,int n, int p)&oid inar*Lsearch(int /6 7,int n, int p)

&oid selectionLsort(int /6 7,int n)&oid uleLsort(int /6 7,int n)

&oid insertionLsort(int /6 7, int n)&oid insertLelement(int /67, int n)&oid deleteLelement(int /67, int n)

int /607,n,mg=0

&oid main(){int i,ch,o=0,h=0,t=0,,m

int A607,p,suscript

char choice

cout<<'nter the ie of arra* : '



cin>>n

cout<<'nnnter the elements : nn'

for(int i=0 i<n i%%)cin>>/6i7

cout<<'nn/rra* formed is : 'for(i=0 i<n i%%)cout<</6i7<<' '

do{cout<<'nnnn+hoose from the follo$ing : 'cout<<'nnn1. earch element in an arra* 'cout<<'nn. ort the arra* 'cout<<'nn5. -nsert element in arra* '

cout<<'nn;. Celete element in arra* 'cout<<'nn. 3it 'cout<<'nnnnter *our choice : 'cin>>ch

int flag=1s$itch(ch)

{ case 1 :

cout<<'nnnter element to e searched : 'cin>>pfor(i=0i<ni%%){

if((/6i7</6i%17MM/6i%17>/6i%7)DD(/6i7>/6i%17MM/6i%17</6i%7)){

flag=0 rea

if(flag==0){

cout<<'nnInsorted arra*. Qinear earch'suscript=linearLsearch(/,n,p)if(suscript== 1)cout<<'nnEeKuested element not found.'

else{cout<<'nnearch uccessful.'cout<<'nnnHhe reKuested element is '<<p<<'. nnuscript =

'<<suscript<<'nPosition in arra* = '<<suscript%1

else{

cout<<'nnorted arra*. Ainar* earch' inar*Lsearch(/,n,p)

rea

case :cout<<'nnt1. election ort '

cout<<'nnt. Aule ort '

cout<<'nnt5. -nsertion sort '

cout<<'nntnter *our choice : ' cin>>ch



s$itch(ch) { case 1 : if(o==1)

cout<<'nn/rra* alread* sorted using election sort 'else{if(h==0MMt==0)

{selectionLsort(/,n)cout<<'nnnnorted arra* is : nn'

for(=0 <n %%)cout<</67<<' 'o=1else if(h==1MMt==0)cout<<'nn/rra* alread* sorted using Aule sort '

elsecout<<'nn/rra* alread* sorted using -nsertion sort ' rea

case : if(h==1)

cout<<'nn/rra* alread* sorted using -nsertion sort 'else{if(o==0MMt==0) { uleLsort(/,n) cout<<'nnnnorted arra* is : nn' for( =0 <n %%)

cout<</67<<' ' h=1 else if(t==1MMo==0)cout<<'nn/rra* alread* sorted using -nsertion sort '

elsecout<<'nn/rra* alread* sorted using election sort ' rea

case 5: if(t==1)

cout<<'nn/rra* alread* sorted using -nsertion sort 'else{if(h==0MMo==0){insertionLsort(/,n)

t=1else if(h==1MMo==0)cout<<'nn/rra* alread* sorted using Aule sort 'elsecout<<'nn/rra* alread* sorted using selection sort '

rea

default: cout<<'nn 2rong input'

rea

case 5: insertLelement(/,n)



rea

case ;: deleteLelement(/,n)rea

case : e3it(0) rea default : cout<<'nn2rong input: '

cout<<'nn2ant to choose from menu again : 'cin>>choice$hile(choice==9*9DDchoice==9J9)

getch()

int linearLsearch(int /67, int n, int p){for(int i=0 i<n i%%)

{if (/6i7==p) return i return 1

&oid inar*Lsearch(int /67, int n, int p){ int Q,I,mid char ch Q=0 I=n1

$hile(Q<=I){ mid=(Q%I)"

if(/6mid7==p) { cout<<'nnlement '<<p<<' found. earch uccessful.' cout<<'nnuscript = '<<mid<<' nnPosition = '<<mid%1 rea

else if(p<=/6mid7) I=mid1

else Q=mid%1 if(Q>I)

{cout<<'nnInsuccessful search.' cout<<'nnnn2ant to search again. : ' cin>>ch if(ch==9*9DDch==9J9) {cout<<'nnnnnter the element to e searched : ' cin>>p

else e3it(1)

&oid selectionLsort(int /67, int n){int small int ,count=0 for(int i=0 i<n i%%) { small=/6i7 count%%

for(int @=i%1 @<n @%%)

{

if(/6@7<small) {small=/6@7



/6@7=/6i7 /6i7=small

if(mg==0) {

cout<<'nn/rra* after iteration '<<count<<' is :nn' for(=0 <n %%) cout<</67<<' '

&oid uleLsort (int /67, int n){ int temp int count=0for(int i=0 i<n i%%) {

for(int @=0 @<n1 @%%){ if(/6@%17</6@7)

{ count%% temp=/6@%17 /6@%17=/6@7 /6@7=tempcout<<'nn/rra* for iteration '<<count<<' is : nn'for(int =0 <n %%)

cout<</67<<' '

&oid insertionLsort(int /67, int n){int @,t /6n7=0

for(int i=n i>=0 i)/6i7=/6i17

/607=-4HLB-4for(int i=1 i<=n i%%) { t=/6i7 @=i1 $hile(t</6@7)

{ /6@%17=/6@7 @ /6@%17=t cout<<'nn/rra* after iteration '<<i<<' => nn'

for(int =1 <=n %%) cout<</67<<' ' cout<<'nn' cout<<'nnnorted arra* is : nn' for(int =1 <=n %%)

cout<</67<<' '



&oid insertLelement(int /67, int n){ int p,poschar choice

do{if(n>=0DDn<1)cout<<'nn/rra* N&erflo$.'

elsecout<<'nnnter element along $ith its position : nn'cout<<'lement = ' cin>>p

cout<<'nnPosition = ' cin>>posfor(int i=n i>=pos i){/6i7=/6i17n%%

/6n7=0/6pos17=p

cout<<'nn/rra* formed : '

for(int i=0 i<n i%%)cout<</6i7<<' '

cout<<'nn2ant to insert again : ' cin>>choice$hile(choice==9*9DDchoice==9J9)

&oid deleteLelement(int /67, int n){ int pos,flag=1

char choice do{

cout<<'nnnnter position of element to delete it : ' cin>>pos

if(pos1>n1) { cout<<'nn-n&alid ' else for(int i=0 i<n i%%) {

if(pos1 ==i) {flag=0 for(int @=pos1 @<n @%%) {

/6@7=/6@%17

n

if(flag) {

cout<<'nn-n&alid ... nter again : '

cout<<'nnn/rra* formed : ' for(int i=0 i<n i%%) cout<</6i7<<' '

cout<<'nnn2ant to delete again : '

cin>>choice $hile(choice==9*9DDchoice==9J9)



Program ;:#include<iostream.h>#include<conio.h>

&oid merge(int 67,int,int 67,int,int 67)&oid main(){

clrscr()int a607,607,c607,mn=0,m,n,icout<<'nnter numer of elements of arra* / 'cin>>mcout<<'nnter elements of arra* / in ascending order n'for(i=0i<mi%%)

cin>>a6i7cout<<'nnter numer of elements of arra* A 'cin>>ncout<<'nnter elements of arra* A in descending order n'

for(i=0i<ni%%)cin>>6i7

mn=m%nmerge(a,m,,n,c)cout<<'nlements of merged arra* are n'for(i=0i<mni%%)

cout<<c6i7<<' 'cout<<endl

getch()&oid merge(int a67,int m,int 67,int n,int c67){

int i,@,

for(i=0,@=n1,=0 i<m MM @>=0){

if(a6i7<=6@7)c6%%7=a6i%%7

elsec6%%7=6@7

if(i<m){

$hile(i<m)c6%%7=a6i%%7

else

{$hile(@>=0)

c6%%7=6@7

Program :#include<iostream.h>#include<conio.h>#include<process.h>&oid main(){

clrscr()

int a6767int i,@,m,n



cout<<'nnter the numer of ro$s and columns of matri3 / 'cin>>m>>nif(m8=n)

e3it(0)cout<<'nnter elements of matri3 / 'for(i=0i<mi%%)

{for(@=0@<n@%%)

cin>>a6i76@7

int chcout<<'nnter *our choice'cout<<'n1. ho$ Ipper Ciagonal elements'cout<<'n. ho$ Qo$er Ciagonal elements'cout<<'n5. ho$ Ciagonal elements'

cin>>chcout<<endls$itch(ch){

case 1:for(i=0i<mi%%)

{for(@=0@<n@%%){

if(i<=@)cout<<a6i76@7

else

cout<<' 'cout<<endl

rea

case :for(i=0i<mi%%){

for(@=0@<n@%%){

if(i>=@)cout<<a6i76@7

elsecout<<' '

cout<<endl

rea

case 5:for(i=0i<mi%%){

for(@=0@<n@%%){

if((i==@)DD((i%@)==m1))

cout<<a6i76@7else

cout<<' 'cout<<endl

rea

default:cout<<'n2rong choice'



reagetch()

Program :

#include<iostream.h>#include<process.h>#include<conio.h>

struct 4ode{

int info 4ode !ne3t

!start,!ne$ptr,!sa&e,!ptr,!rear 4ode !+reateL4e$L4ode(int)

&oid -nsertLAeg(4ode!)&oid Cispla*(4ode!)&oid -nsertLnd(4ode!)&oid Cel4ode()

&oid Hra&erse(4ode!)&oid main()

{clrscr()start=rear=4IQQint infint choicechar ch=9*9

$hile(ch==9*9DDch==9J9){

cout<<'nter *our choice 'cout<<'n1.-nsert at eggining'cout<<'n.-nsert at end'

cout<<'n5.Celete node'cout<<'n;.Cispla* lined list'cin>>choices$itch(choice){case 1:cout<<'nnter information for ne$ node'

cin>>infne$ptr=+reateL4e$L4ode(inf)if(ne$ptr8=4IQQ){

cout<<'n4e$ node created'

else{

cout<<'n+annot create ne$ node'e3it(1)

-nsertLAeg(ne$ptr)

reacase :cout<<'nnter information for ne$ node'cin>>infne$ptr=+reateL4e$L4ode(inf)if(ne$ptr8=4IQQ)

{

cout<<'n4e$ node created'



else{

cout<<'n+annot create ne$ node'

e3it(1)-nsertLnd(ne$ptr)

reacase 5:Cel4ode()

cout<<'n4ode deleted' reacase ;:Cispla*(start) readefault:

cout<<'n2rong choice' reacout<<'nCo *ou $ish to continue(*"n)'

cin>>ch

getch() 4ode !+reateL4e$L4ode(int n){

ptr=ne$ 4ode ptr>info=n

ptr>ne3t=4IQQreturn ptr

&oid -nsertLAeg(4ode !np){

if(start==4IQQ)start=np

else{

sa&e=startstart=npnp>ne3t=sa&e

&oid -nsertLnd(4ode !np){

if(start==4IQQ)start=rear=np

else{

rear>ne3t=nprear=np

&oid Cel4ode(){

if(start==4IQQ)cout<<'nInderflo$n'

else{

ptr=start

start=start>ne3tdelete ptr



&oid Cispla*(4ode !np)

{$hile(np8=4IQQ){

cout<<np>info<<' 'np=np>ne3t

cout<<endl

Program ?:#include <iostream.h>#include <stdio.h>

#include <conio.h>#include <stdli.h>#include <ct*pe.h>#define B/V 100

int stac6B/V7int top

&oid push(int stac67, int &al, int Mtop)int pop(int stac67, int Mtop)&oid sho$Ltac(int stac67, int top)&oid main(){

int choice, &al

char opt = 9J9top = 1clrscr()do{

cout << 'ntt Bain Benu'cout << 'nt1. /ddition of tac'cout << 'nt. Celetion from tac'cout << 'nt5. Hra&erse of tac'cout << 'nt;. 3it from Benu'cout << 'nnnter *our choice from ao&e > 'cin >> choice

s$itch (choice){ case 1:

do{

cout << 'nter the &alue to e added in the stac '

cin >> &al push(stac, &al, top)cout << 'nCo *ou $ant to add more elements <J"4> 'cin >> opt

$hile (toupper(opt) == 9J9) rea

case :opt = 9J9do{

&al = pop(stac, top)if (&al 8= 1)

cout << 'Ualue deleted from statc is ' << &al

cout << 'nCo *ou $ant to delete more elements <J"4> 'cin >> opt




case 5:

sho$Ltac(stac, top) rea

case ;:

e3it(0)

$hile (choice 8= ;)&oid push(int stac67, int &al, int Mtop){

if (top == B/V 1){

cout << 'tac Tull 'else{

top = top % 1stac6top7 = &al

int pop(int stac67, int Mtop){

int &alueif (top < 0)

{cout << 'tac mpt* '&alue = 1

else

{&alue = stac6top7top = top 1

return (&alue)

&oid sho$Ltac(int stac67, int top)

{int iif (top < 0){

cout << 'tac mpt*'return

i = topclrscr()cout << 'Hhe &alues are 'do{

cout << 'n' << stac6i7i = i 1

$hile(i >= 0)

Program F:

#include <iostream.h>

#include <stdio.h>#include <conio.h>



#include <stdli.h>#include <ct*pe.h>#define B/V 0

char Kueue6B/V7int front, rear&oid addLX(char Kueue67, int front, char &al, int Mrear) char

delLX(char Kueue67, int Mfront, int rear)&oid sho$LX(char Kueue67, int front, int rear)&oid main()

{int choicechar &alchar opt = 9J9

rear = 1front = 1

clrscr()do{

cout << 'ntt Bain Benu'

cout << 'nt1. /ddition of Xueue'cout << 'nt. Celetion from Xueue'

cout << 'nt5. Hra&erse of Xueue'cout << 'nt;. 3it from Benu'cout << 'nnnter Jour choice from ao&e 'cin >> choices$itch (choice){

case 1:do{

cout << 'nter the &alue to e added in the Kueue'

cin >> &aladdLX(Kueue, front, &al, rear)cout << 'Co *ou $ant to add more element

<J"4> 'cin >> opt


case :opt = 9J9do{

&al = delLX(Kueue, front, rear)if (&al 8= 1)

cout << 'Ualue deleted from Xueue is '<< &al

cout << 'nCo *ou $ant to delete more element<J"4> '

cin >> opt $hile (toupper(opt) == 9J9)

reacase 5:

sho$LX(Kueue, front, rear) rea

case ;:e3it(0)

$hile (choice 8= ;)



&oid addLX(char Kueue67, int front, char &al, int Mrear){

if ((rear % 1) Y B/V == front){

cout << 'Xueue Tull '

else{

rear = (rear % 1) Y B/VKueue6rear7 = &al

char delLX(char Kueue67, int Mfront, int rear){

char &alueif (front == rear){

cout << 'Xueue mpt* '

&alue = 1

else{

front = (front % 1) Y B/V&alue = Kueue6front7

return (&alue)

&oid sho$LX(char Kueue67, int front, int rear){

clrscr()cout << 'Hhe &alues are '

do{

front = (front % 1) Y B/Vcout << 'n' << Kueue6front7

$hile(front 8= rear)

Program G:#include <iostream.h>#include <stdio.h>#include <conio.h>#include <stdli.h>#include <ct*pe.h>

struct node{

int &aluenode !lin

node !push(node !top, int &al)

node !pop(node !top)&oid sho$Ltac(node !top)&oid main(){

node !topint t&al, choice

char opt = 9J9

top = 4IQQclrscr()



do{


cout << 'nt1. /ddition of tac'cout << 'nt. Celetion from tac'cout << 'nt5. Hra&erse of tac'

cout << 'Znt;. 3it from Benu'cout << 'nnnter *our choice from ao&e 'cin >> choice

s$itch (choice){

case 1:do{

cout << 'nter the &alue. : '

cin >> t&altop = push(top, t&al)cout << 'nCo *ou $ant to add more elements <J"4> 'cin >> opt


case :opt = 9J9do{

top = pop(top)if (t&al 8= 1)

cout << 'Ualue deleted from tac is ' << t&alcout << 'nCo *ou $ant to delete more elements <J"4> 'cin >> opt


case 5:sho$Ltac(top) rea

case ;:e3it(0)

$hile (choice 8= ;)node !push(node !top, int &al){

node !temptemp = ne$ node

temp>&alue = &altemp>lin = 4IQQif(top ==4IQQ)

top = tempelse{

temp>lin = toptop = temp

return(top)

node !pop(node !top)

{

node !tempint t&al



clrscr()if (top == 4IQQ ){

cout << 'tac mpt* 'troll = 1

else{

temp = top

top = top>lint&al = temp>&aluetemp>lin = 4IQQcout << 'ntPopped Ualue is : ' << temp>&aluedelete temp

return (top)&oid sho$Ltac(node !top){

node !temptemp = top

clrscr()cout << 'Hhe &alues are n'$hile (temp 8= 4IQQ){

cout << 'n' << temp>&aluetemp = temp>lin

Program 50:

#include <iostream.h>#include <stdio.h>#include <conio.h>#include <stdli.h>#include <ct*pe.h>struct node{

int nofloat alar*node !lin

node !addLX(node !rear, int &al,float &al1) "" /dd Kueuenode !delLX(node !front, int M&al, float M&al1)"" Celete Kueue

&oid sho$LX(node !front) "" ho$ Kueue&oid main(){

node !front, !rearint &alfloat &al1

int choicechar opt = 9J9front = rear = 4IQQclrscr()do{


cout << 'nt1. /ddition of Xueue'cout << 'nt. Celetion from Xueue'



cout << 'nt5. Hra&erse of Xueue'cout << 'nt;. 3it from Benu'cout << 'nnnter Jour choice from ao&e '

cin >> choices$itch (choice){

case 1:do{

cout << 'nter the &alue to e added in the Kueue'

cin >> &alcin >> &al1rear = addLX(rear, &al,&al1)if (front == 4IQQ)

front = rearcout << 'nCo *ou $ant to add more element

<J"4> 'cin >> opt


case :opt = 9J9do{

front = delLX(front, &al, &al1)if (front == 4IQQ)

rear = frontif (&al 8= 1)

cout << 'Ualue deleted from Xueue is '<< &al

cout << 'nCo *ou $ant to delete more element

<J"4> 'cin >> opt


case 5:sho$LX(front) rea

case ;:e3it(0)

$hile (choice 8= ;)

node !addLX(node !rear, int &al, float &al1){

node !temptemp = ne$ nodetemp>no = &altemp>alar* = &al1

temp>lin = 4IQQrear>lin = temprear = tempreturn (rear)

node !delLX(node !front, int M&al, float M&al1)

{

node !tempclrscr()



if (front == 4IQQ){

cout << 'Xueue mpt* '

&al = 1else

{temp = frontfront = front>lin

&al = temp>no&al1 = temp>alar*temp>lin = 4IQQdelete temp

return (front)

&oid sho$LX(node !front){

node !temp

temp = frontclrscr()

cout << 'Hhe Xueue &alues are'$hile (temp 8= 4IQQ){

cout <<'n4N : '<< temp>nocout <<'nalar* : '<<temp>alar*temp = temp>lin

Program 51:

#include<iostream.h>#include<conio.h>#include<stdli.h>#include<process.h>int -nsertLinL+X(int67,int)&oid Cispla*(int67,int,int)int CelLinL+X(int67)

const int sie=?int +Xueue6sie7,front=1,rear=1&oid main(){

clrscr()int item,res,ch

char choicedo{

cout<<'nnter *our choice'cout<<'n1.-nsert'cout<<'n.Celete'

cout<<'n5.Cispla*'cin>>chs$itch(ch){

case 1:cout<<'nnter item to insert '

cin>>item

res=-nsertLinL+X(+Xueue,item)if(res==1)



cout<<'nN&erflo$88 'else{

Cispla*(+Xueue,front,rear) rea

case :item=CelLinL+X(+Xueue)cout<<'nCeleted element is '<<item<<endl

Cispla*(+Xueue,front,rear) rea

case 5:Cispla*(+Xueue,front,rear) rea

default:

cout<<'n2rong choice 'cout<<'nCo *ou $ish to continue(*"n) 'cin>>choice

$hile(choice==9*9DDchoice==9J9)getch()

int -nsertLinL+X(int +Xueue67,int ele){

if((front==0 MM rear==sie1) DD (front==rear%1))return 1

else if(rear==1)

front=rear=0else if(rear==sie1)

rear=0else

rear%%

+Xueue6rear7=elereturn 0

int CelLinL+X(int +Xueue67){

int retif(front==1)

return 1else{

ret=+Xueue6front7if(front==rear)

front=rear=1

else if(front==sie1)front=0

elsefront%%

return ret

&oid Cispla*(int +Xueue67,int front,int rear){

int i=0cout<<'n+ircular Xueue is 'if(front==1)

return

if(rear>=front){



for(i=fronti<reari%%)cout<<+Xueue6i7<<' '

cout<<+Xueue6rear7<<endl

else{

for(i=0i<reari%%)cout<<+Xueue6i7<<' '

cout<<+Xueue6rear7<<' '

for(i=fronti<siei%%)cout<<+Xueue6i7<<' '

Date post:	17-Feb-2018
Category:	Documents
Upload:	divyabahlsr
View:	216 times
Download:	0 times

Solution of C++ Programs for Class 12

Documents