LẬP TRÌNH NÂNG CAO LÝ THUYẾT TRÒ CHƠI

#include<conio.h>

#include<stdio.h>

#include<string.h>

class cmt

{

private:

char *so;

char *ten;

int nam;

public:

cmt();

~cmt();

cmt & operator = (cmt &);

friend ostream & operator << (ostream & os, cmt &); friend istream & operator >> (istream & is, cmt &); int namsinh();

};

cmt::cmt()

{

so= new char[11];

nam=0;

ten= new char[25];

};

cmt::~cmt()

{

delete so;

nam=0;

delete ten;

};

cmt&cmt:: operator = ( cmt &a)

{

so = new char [11];

ten = new char [25];

strcpy(so,a.so);

nam=a.nam;

strcpy(ten,a.ten);

return a;

};

ostream & operator << (ostream & os, cmt &a) {

cout<<"\n ten : "<<a.ten<<endl;

cout<<"\n so cmt : "<<a.so<<endl; cout<<"\n nam sinh la : "<<a.nam; return os;

};

istream & operator >> (istream & is, cmt &a) {

cout<<"\n nhap ten ";

cin>>a.ten;

cout<<"\n nhap so cmt ";

cin>>a.so;

cout<<"\n nhap nam sinh ";

cin>>a.nam;

return is;

};

int cmt::namsinh()

{

return nam;

};

void nhap1(cmt a[],int k)

{

for(int i=0;i<k;i++)

{

cout<<"\n nhap cmt thu "<<i+1; cin>>a[i];

};

};

cmt max(cmt a[],int k)

{

cmt temp;

temp=a[0];

for(int i=1;i<k;i++)

if(temp.namsinh()>a[i].namsinh()) temp=a[i];

return temp;

};

float tb(cmt a[],int k)

{

float t=0;

for(int i=0;i<k;i++)

t=t+(2013-a[i].namsinh());

t=t/k;

return t;

int main()

{

cmt a[60];

int n;

cout<<"\n nhap so cac so chung minh thu "; cin>>n;

cout<<"\n nhap gia tri cac the chung minh thu "; nhap1(a,n);

cout<s<"\n tuoi lon nhat "<<max(a,n);

cout<<"\n gia tri trung binh "<<tb(a,n);

};