Using namespace std; namespace Mebel{

1 mashq

#include

#include

using namespace std;

namespace Mebel{

class M

{

private:

float buyi, eni, balandligi, ogirligi;

int narxi, tayyorl_yil, id;

bool yaroqliligi;

string rangi;

public:

friend void Qidirish(M m[], int n)

{

string l;

cout<<"\t\t\t\tRangi bo'yicha izlash \n rangi nomini kiriting:"; cin>>l;

for(int i=0; i

if(m[i].rangi.compare(l) == 0){

m[i].get();

}

}

}

friend void Saralash(M m[], int n){

cout<<"\t\t\t\t og'irligi bo'yicha saralash\n"<

M min = m[0];

for(int j=0; j

for(int i=0; i

if(m[i].ogirligi

min=m[i];

m[i]=m[j];

m[j]=min;

}

}

}

for (int i = 0; i

m[i].get();

}

cout<

}

friend void O_zgartirish(M m[], int n){

int k; string rang;

cout<<"\t\t\t\t Rangi haqidagi ma'lumotlarni o'zgartirish"<

cout<<"O'zgartirmoqchi bo'lgan mebel id raqamini kiriting:"; cin>>k;

for(int i=0; i

if(m[i].id == k){

cout<<"rang nomini kiriting: "; cin>>rang;

m[i].rangi =rang;

}

};

};

void get(){

cout<id<<"\t"<buyi<<"\t"<eni<<"\t"<ogirligi<<"\t\t"<rangi<<"\t"<narxi<<" so'm'\t"<<((this->yaroqliligi) ? "Yaroqli" : "\tYaroqsiz")<

cout<<"--------------------------------------------------------------------------------|"<

}

void set(int id,float buyi, float eni,float balandligi, float ogirligi, string rangi)

{

this->id = id;

this->buyi = buyi;

this->eni = eni;

this->balandligi = balandligi;

this->ogirligi = ogirligi;

this->rangi = rangi;

}

void setNarx(int tayyorl_yil, int hozirgi_yil)

{

this->yaroqliligi = true;

switch(hozirgi_yil - tayyorl_yil)

{

case 0: this->narxi = 300000; break;

case 1: this->narxi = 250000; break;

case 2: this->narxi = 200000; break;

case 3: this->narxi = 150000; break;

default:

{

this->yaroqliligi = false;

this->narxi = 0;

}

}

};

};

};

using namespace Mebel;

int main(){

for(int i=0; i<100; i++){

}

M a[100];

float buyi[] = {12, 13, 1};

float eni[] = {13, 14, 15};

float balandligi[] = {6, 8, 3};

float ogirligi[] = { 13.2,12, 14};

int tayyorl_yil[] = {2001, 2004, 2007};

string rangi[] = {"qizil", "sariq", "qizil"};

for(int i=0; i<3; i++){

a[i].set(i,buyi[i], eni[i], balandligi[i],ogirligi[i], rangi[i]);

a[i].setNarx(tayyorl_yil[i], 2008);

}

cout<<"\n\t\t\t\tMebellar\n\n ";

cout<<"id\t "<<"bo'yi\t"<<"eni\t"<<"Og'irlik\t"<<"rang\t"<<"Narxlari\t"<<"Yaroqliligi\n";

cout<<"--------------------------------------------------------------------------------|\n";

for(int i=0; i<3; i++){

a[i].get();

}

Qidirish(a, 3);

Saralash(a, 3);

O_zgartirish(a, 3);

for(int i=0; i<3; i++){

a[i].get();

}

return 0;

}

2 mashq

#include

#include

using namespace std;

class Kitob{

protected:

string nomi;

int asl_narx;

protected:

int sahifa_soni,narxi;

public:

void set(string nomi,int sahifa_soni, int narxi)

{

this->asl_narx = narxi;

this->nomi = nomi;

this->sahifa_soni = sahifa_soni;

this->narxi = narxi;

}

};

class Kitob_dukon:public Kitob{

private:

int foiz;

public:

Kitob_dukon(int foiz){

this->foiz = foiz;

};

void get()

{

cout<<"Kitob nomi: "<nomi<

cout<<"Asl narxi:"<asl_narx<

cout<<"Narxi: "<narxi<

cout<<"chegirma foizi:"<<((this->sahifa_soni<200)? this->foiz: 0)<

cout<<"Sahifa soni: "<sahifa_soni<

cout<<"-----------------------------------------------------"<

}

friend void foiz_uzgart(Kitob_dukon ki){

int f;

cout<<"\n\t\t\tYangi foiz bilan hisoblash\n\n";

cout<<"chegirma foizini kiriting:"; cin>>f;

ki.foiz = f;

ki.chegirma();

ki.get();

// cout<<"\n\t\t Kitoblar ro'yxati\n\n----------------------------------------------------- \n";

//

//

// cout<<"Nomi:"<

// cout<<"Narxi:"<<((ki.sahifa_soni<200) ? ki.narxi*(100-f)/100 : ki.narxi )<

// cout<<"Sahifa soni"<

// cout<<"-----------------------------------------------------"<

}

void chegirma(){

if(this->sahifa_soni<200){

this->narxi = this->asl_narx*(100-this->foiz)/100;

}

}

};

int main(){

Kitob_dukon ki(20) ;

string nomi="Gulliverning sayohatlari";

int narxi = 13000;

int sahifa_soni= 220;

ki.set(nomi, sahifa_soni, narxi);

ki.chegirma();

cout<<"\n\t\t Kitob haqida\n\n----------------------------------------------------- \n";

ki.get();

foiz_uzgart(ki);

ki.chegirma();

return 0;

}

3 mASHQ

#include "iostream"

#include "string"

#include "time.h"

#include "stdlib.h"

using namespace std;

class inson{

protected:

string ism, turi;

int yosh;

public:

template

friend void haqimda(F a);

template

friend void Salom(T m, F a);

template

friend void Salomlashish(T m, F a);

void get(){

cout<<"Ism:"<ism<

cout<<"Yosh:"<yosh<

cout<<"Turi:"<turi<

cout<<"--------------------------------\n";

}

void setYosh(){

srand(time(NULL));

this->yosh =rand()%21+20;

}

};

class realist :public inson{

public:

realist(string ism){

this->turi = "realist";

this->ism = ism;

this->setYosh();

}

};

class norasmiy:public inson{

public:

norasmiy(string ism){

this->turi = "norasmiy";

this->ism = ism;

this->setYosh();

}

};

class rasmiy:public inson{

public:

rasmiy(string ism){

this->turi = "rasmiy";

this->ism = ism;

this->setYosh();

}

};

template

void Salom(T m, F a){

cout<

if(m.turi == "rasmiy")cout<<"Assalomu alaykum "<

else if("norasmiy")cout<<"Salom "<

else{

if(m.yosh >=a.yosh || a.yosh<=5)

cout<<"Salom "<

else

cout<<"Assalomu alaykum "<

}

}

template

void Salomlashish(T m, F a){

Salom(m, a);

Salom( a, m);

}

template

void haqimda(F a){

cout<<"-------------------"<

cout<<"Salom, mening ismim "<

cout<<((a.turi=="norasmiy")? "Men rasmiy so'zlashmayman" : ((a.turi == "rasmiy")? "Rasmiy usulda so'zlashishni yoqtiraman." : "Men realistman. Hayotga real qarash kerak!" ))<

}

int main(){

realist Andrey("Andrey");

rasmiy Tatiana("Tatiana");

rasmiy Tamara("Tamara");

norasmiy Irina("Irina");

norasmiy Aleksandr("Aleksandr");

cout<<" Insonlar haqida ma'lumot \n------------------------------------\n";

inson A[] = {Aleksandr, Irina, Tamara, Tatiana, Andrey};

for(int i=0; i<5; i++){

A[i].get();

}

cout<<"\n\nO'zlari haqida ma'lumotlari\n\n";

for(int i=0; i<5; i++){

haqimda(A[i]);

cout<<"\n-----------------------------------\n";

}

cout<<"\n\nSalomlashish\n\n";

for(int j=0; j<5; j++){

for(int i=0; i

Salomlashish(A[i], A[j]);

cout<<"\n";

}

}

}