/* Xay dung lop Dayso(Day so thuc)

Thuoc tinh

float a[50];//khoang chua cac pt day so: a[1],..,a[n]

int n; //Bien nguyen n chua so pt cua day

Phuong thuc :nhap , xuat,tinh gia tri lon nhat va gia tri nho nhat cua day so

sap xep day so theo chieu giam

Ham main: nhap 1 day so,tim gia tri max,gia tri min cua day */

#include<conio.h>

#include<stdio.h>

#include<iostream.h>

class dayso

{

int n;

float a[50];

public:

void nhap();

void xuat();

void max_min(float&max,float&min);

void sap_xep();

};

void dayso::nhap()

{

cout<<"

so pt N=";

cin>>n;

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

{

cout<<"

pt"<<i<<"=";

cin>>a[i];

}

}

void dayso::xuat()

{

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

{

cout<<"

pt"<<i<<"="<<a[i];

}

}

void dayso::max_min(float&max,float&min)

{

max=min=a[1];

for(int i=2;i<=n;++i)

{

if(a[i]>max) max=a[i];

if(a[i]<min) min=a[i];

}

}

void dayso::sap_xep()

{

int i,j;

float tg;

for(i=1;i<=n;++i)

for(j=i+1;j<=n;++j)

{

if(a[i]<a[j])

{

tg=a[i];

a[i]=a[j];

a[j]=tg;

}

}

}

void main()

{ clrscr();

dayso u;

float gtmax,gtmin;

u.nhap();

u.max_min(gtmax,gtmin);

cout<<"

gtmax="<<gtmax<<"

gtmin="<<gtmin;

u.sap_xep();

cout<<"

day so theo chieu giam";

u.xuat();

getch();

}