/*Slip no : 7_1 Write a C++ program
to create a class which contains
single dimensional
integer array of given size. Write a member function to
display even and odd
numbers from a given array.
(Use Dynamic Constructor
to allocate and Destructor to free memory of
an object) */
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
class dynamic
{
int
size,*ptr,*p;
public:
dynamic(int
no)
{
size=no;
ptr=new
int[size];
for(int
i=0;i<size;i++)
{
cout<<"enter
element";
cin>>ptr[i];
}
}
void
display()
{
cout<<"elements
are";
for(int
i=0;i<size;i++)
{
cout<<ptr[i]<<"\t";
}
}
void
evnodd()
{
int
i;
cout<<"even
nos are : \t";
for(i=0;i<size;i++)
{
if(ptr[i]%2==0)
{
cout<<ptr[i];
cout<<"\t";
}
}
cout<<"\n
Odd nos are : \t ";
for(i=0;i<size;i++)
{
if(ptr[i]%2!=0)
{
cout<<ptr[i];
cout<<"\t";
}
}
}
~dynamic()
{delete
ptr;
}
};
void main()
{
int
n;
clrscr();
cout<<"enter
size";
cin>>n;
dynamic
d(n);
d.display();
d.evnodd();
getch();
}
/*Slip no :7_2 Create a Base class
Train containing protected data members as Train_no, Train_Name. Derive a class
Route (Route_id, Source, Destination) from Train class. Also derive a class
Reservation(Number_Of_Seats, Train_Class, Fare, Travel_Date) from Route. Write
a C++ program to perform following necessary functions :
Enter details of n
reservations
Display details of all reservations
Display reservation details of a
specified Train class */
#include<iostream.h>
#include<conio.h>
#include<string.h>
class Train
{
protected
:
int
t_no;
char
t_name[20];
public:
void
getdata()
{
cout<<"\n
Enter train no";
cin>>t_no;
cout<<"Enter
tain name ";
cin>>t_name;
}
void
display()
{
cout<<"\nEnter
train no "<<t_no;
cout<<"\nEnter
tain name "<<t_name;
}
};
class Route : public Train
{
int
r_id;
char
src[20];
char
dest[20];
public:
void
getdata()
{ Train::getdata();
cout<<"Enter
route id \t";
cin>>r_id;
cout<<"Enter
source \t";
cin>>src;
cout<<"Enter
destination \t";
cin>>dest;
}
void
display()
{ Train::display();
cout<<"\n
route id "<<r_id;
cout<<"\nsource
is "<<src;
cout<<"\ndestination
is "<<dest;
}
};
class Reservation : public Route
{ int
seat; float f;
char
cls[20];
char
date[20];
public:
void
getdata()
{ Route::getdata();
cout<<"Enter
no of seats \t";
cin>>seat;
cout<<"Enter
classs \t";
cin>>cls;
cout<<"Enter
fare \t";
cin>>f;
cout<<"Enter
date for reservation";
cin>>date;
}
void
display()
{
Route::display();
cout<<"\nNO
of seats is "<<seat;
cout<<"\nClass
is "<<cls;
cout<<"\nFare
is "<<f<<"\nDate is "<<date;
cout<<"\n==============================="
;
}
int
search(char s[])
{
if(strcmp(s,cls)==0)
{
display();
return
1;
}
return
0;
}
};
void main()
{ int
no,ans,i;
Reservation
R[10];
cout<<"\n
Enter how many resevation";
cin>>no;
for(int
i=0;i<no;i++)
{
R[i].getdata();
}
cout<<"Information
about resrcation is : ";
for(i=0;i<no;i++)
{
R[i].display();
}
cout<<"\n
Enter name of class ";
char
scls[10];
cin>>scls ;
int
cnt=0;
for(i=0;i<no;i++)
{ ans=R[i].search(scls);
if(ans==1)
cnt++;
}
if(cnt==0)
{
cout<<"\n
Record not found";
}
getch();
}
slip 7
![slip 7]()
Reviewed by Dinesh Varal
on
January 16, 2018
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