/* Slip no : 15_1 Write a C++
program to create a class which contains two data members. Write member
functions to accept display and swap two entered numbers using call by
reference. */
#include<iostream.h>
#include<conio.h>
class swapp
{
public:
int
a,b;
void
accept()
{
cout<<"enter
two numbers";
cin>>a>>b;
}
void
swap(int &a,int &b)
{
int
temp;
temp=a;
a=b;
b=temp;
}
void
display()
{
cout<<"\n
no1 = "<<a<<"\t no2 = "<<b;
swap(a,b);
}
};
void main()
{
swapp
s;
clrscr();
s.accept();
cout<<"\n
Before swapping : ";
s.display();
cout<<"\n
After swapping : ";
s.display();
getch();
}
/* Slip no : 15_2 Create a base class Student(Roll_No, Name, Class) which derives two classes Internal_Marks(IntM1, IntM2, IntM3, IntM4, IntM5) and External_Marks(ExtM1 ExtM2, ExtM3, ExtM4, ExtM5). Class Result(T1, T2, T3, T4, T5) inherits both Internal_Marks and External_Marks classes. (Use Virtual Base Class) Write a C++ menu driven program to perform the following functions:
To Accept and display student
details
Calculate Subject wise total marks
obtained. Check whether student has passed in Internal and External
Exam of each subject. Also check whether he has passed in respective subject or
not and display result accordingly. */
#include<iostream.h>
#include<conio.h>
#include<string.h>
class student
{
protected:
int
rno;
char
name[10],cls[10];
public:
void
accept()
{
cout<<"\n
Enter roll no if sudent : ";
cin>>rno;
cout<<"\n
Enter the name of student :";
cin>>name;
cout<<"\n
Enter the class of student :";
cin>>cls;
}
void
display()
{
cout<<"\n
Roll no. :"<<rno<<"\n Name
:"<<name<<"\n class : "<<cls<<endl;
}
};
class Internal_Mark:public
virtual student
{
protected:
int
i_mark[6];
public:
int
internal_mark()
{ int
i;
cout<<"\n
Enter the 6 subjects marks :";
for(i=0;i<6;i++)
{ cout<<"subject
"<<i+1<<" : ";
cin>>i_mark[i];
}
for(i=0;i<6;i++)
{ if(i_mark[i]>20)
return
1;
}
return
0;
}
void
i_display()
{
cout<<"\n
Internal marks is : \n ";
for(int
i=0;i<6;i++)
{
cout<<"subject
"<<i+1<<"\t"<<i_mark[i]<<endl;
}
}
};
class External_Mark:public
virtual student
{
protected:
int
e_mark[6];
public:
int
external_mark()
{ int
i;
cout<<"\n
Enter the 6 subjects External marks :";
for(i=0;i<6;i++)
{ cout<<"\n
subject "<<i+1<<" : ";
cin>>e_mark[i];
}
for(i=0;i<6;i++)
{ if(e_mark[i]>80
|| e_mark[i]<32)
return
1;
}
return
0;
}
void
e_display()
{
cout<<"\n
eXternal marks are : \n ";
for(int
i=0;i<6;i++)
{
cout<<"subject
"<<i+1<<"\t"<<e_mark[i]<<endl;
}
}
};
class result: public
Internal_Mark,public External_Mark
{
int
total[6];
char
grade[10];
float
per;
public:
void
cal_res()
{ for(int
i=0;i<6;i++)
{
total[i]=i_mark[i]+e_mark[i];
}
}
void
dis_res()
{
display();
i_display();
e_display();
cout<<"Total
marks : \n ";
for(int
i=0;i<6;i++)
{cout<<"subject
"<<i+1<<"\t"<<total[i]<<endl;}
}
};
int main()
{
clrscr();
int
n,ch,a,b;
result
obj;
do
{
cout<<"\n
1.student info \n 2.Internal mark \n 3.Extranal mark \n 4. Result \n 0.
exit";
cout<<"\n
Enter your choice : ";
cin>>ch;
switch(ch)
{ case
1: obj.accept();
break;
case
2: a=obj.internal_mark();
break;
case
3: b=obj.external_mark();
break;
case
4: if(a==0 && b==0)
{obj.cal_res();
obj.dis_res();}
else
cout<<"Fail";
break;
case
0: break;
default:
cout<<"\n Invalid choice : ";
}
}while(ch!=0);
getch();
}
slips 15
![slips 15]()
Reviewed by Dinesh Varal
on
January 17, 2018
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