C++ Programming

Q-1- WAP to find sum and average marks of a student.

#include<iostream.h>

#include<conio.h>

void main()

{  int a,b,c,d,e,sum;

  float avg;

  clrscr();

  cout<<"ENTER MARKS OF FIVE SUBJECTS:";

  cin>>a>>b>>c>>d>>e;

  sum=a+b+c+d+e;

  cout<<"SUM OF FIVE SUBJECTS="<<sum;

  avg=sum/5;

  cout<<"\nAVERAGE="<<avg;

  getch();

};

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Q-2- WAP to convert Fahrenheit to Celsius temperature.

#include<iostream.h>

#include<conio.h>

void main()

{ float fah,cel;

  clrscr();

  cout<<"ENTER TEMPERATURE IN FAHRENHEIT:";

  cin>>fah;

  cel=(5/9)*(fah-32);

  cout<<"TEMPERATURE IN CELSIUS IS "<<cel;

  getch();

  };

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Q-3- WAP to find greatest out of two numbers.

#include<iostream.h>

#include<conio.h>

void main()

{ int a,b;

  clrscr();

  cout<<"ENTER TWO NUMBERS:";

  cin>>a>>b;

  if(a>b)

  cout<<"BIGGEST NUMBER IS "<<a;

  else

  cout<<"BIGGEST NUMBER IS "<<b;

  getch();

};           

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Q-4- WAP for the admission to a

   Professional course in subject

   to the following condition:

   1. Marks in math>=60

   2. Marks in physics>=50

   3. Marks in chemistry>=40

   4. Total marks>=200

#include<iostream.h>

#include<conio.h>

void main()

{ int a,b,c,sum;

  clrscr();

  cout<<"ENTER YOUR MARKS IN PHYSICS:";

  cin>>a;

  cout<<"ENTER YOUR MARKS IN CHEMISTRY:";

  cin>>b;

  cout<<"ENTER YOUR MARKS IN MATHEMATICS:";

  cin>>c;

  sum=a+b+c;

  cout<<"YOUR GRAND TOTAL="<<sum;

  if(a>=50&&b>=40&&c>=60&&sum>=200)

  cout<<"\n\nCONGRATULATIONS!!!"<<"\nYOU ARE ELIGIBLE FOR ADMISSION";

  else

  cout<<"\n\nSORRY!!!"<<"\nYOU ARE NOT ELIGIBLE FOR ADMISSION";

  getch();

};

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Q-5- WAP of swapping of two number using third variable.

#include<iostream.h>

#include<conio.h>

void main()

{ int a,b,temp;

  clrscr();

  cout<<"ENTER TWO NUMBERS"<<"\nA=";

  cin>>a;

  cout<<"B=";

  cin>>b;

  temp=a;

  a=b;

  b=temp;

  cout<<"\nAFTER SWAPPING";

  cout<<"\nA="<<a;

  cout<<"\nB="<<b;

  getch();

};

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Q-6- WAP to print all prime number less then 100.

#include<iostream.h>

#include<conio.h>

void main()

{ int n,i;

  clrscr();

  cout<<"ALL PRIME NUMBERS BETWEEN 1 TO 100 ARE:";

  for(n=3;n<=100;n++)

  { i=2;

   while(i<=n-1)

   { if(n%i==0)

     break;

     i++;

   }

   if(i==n)

   cout<<"\n"<<n;

  }

   getch();

};

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Q-7- WAP for factorial of a number.

#include<iostream.h>

#include<conio.h>

void main()

{ int a,i,fact=1;

  clrscr();

  cout<<"ENTER NUMBER:";

  cin>>a;

  for(i=1;i<=a;i++)

  { fact=fact*i;

  }

  cout<<"FACTORIAL OF A GIVEN NUMBER IS "<<fact;

  getch();

};

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Q-8- WAP to print Fibonacci series.

#include<iostream.h>

#include<conio.h>

void main()

{ int x,i,y,a=0,b=1;

  clrscr();

  cout<<"ENTER HOW MANY NUMBERS YOU WANT:";

  cin>>x;

  for(i=0;i<x;i++)

  { y=a+b;

    cout<<"\n"<<y;

    a=b;

    b=y;

  }

  getch();

};

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Q-9- WAP to check number is even or odd.

#include<iostream.h>

#include<conio.h>

void main()

{ int a;

  clrscr();

  cout<<"ENTER NUMBER:";

  cin>>a;

  if(a%2==0)

  cout<<"GIVEN NUMBER IS EVEN";

  else

  cout<<"GIVEN NUMBER IS ODD";

  getch();

};

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Q-10- WAP to check input is palindrome or not.

#include<iostream.h>

#include<conio.h>

void main()

{ int n,num,digit,rev=0;

  clrscr();

  cout<<"ENTER NUMBER:";

  cin>>num;

  n=num;

  do

  { digit=num%10;

    rev=(rev*10)+digit;

    num=num/10;

  }

  while(num!=0);

  cout<<"THE REVERSE OF A NUMBER IS:"<<rev<<"\n";

  if(n==rev)

  cout<<"THE NUMBER IS PALINDROME";

  else

  cout<<"\n THE NUMBER IS NOT A PALINDROME";

  getch();

};

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Q-11- WAP to find area and parameter of a circle,rectangle,triangle and square.

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{ float area,peri,r,l,b,x,y,z,w;

  int ch;

  clrscr();

  cout<<"PRESS 1 FOR AREA";

  cout<<"\nPRESS 2 FOR PERIMETER";

  cout<<"\nENTER YOUR CHOICE:";

  cin>>ch;

  if(ch==1)

  { cout<<"\n\t AREA MENU\n";

    cout<<"\nPRESS 1 FOR AREA OF CIRCLE";

    cout<<"\nPRESS 2 FOR AREA OF RECTANGLE";

    cout<<"\nPRESS 3 FOR AREA OF TRIANGLE";

    cout<<"\nPRESS 4 FOR AREA OF SQUARE";

    cout<<"\nENTER YOUR CHOICE:";

    cin>>ch;

    switch(ch)

    { case 1:cout<<"\nENTER THE RADIUS OF A CIRCLE:";

               cin>>r;

               area=3.14*r*r;

               cout<<"\nAREA OF CIRCLE IS "<<area;

               break;

      case 2:cout<<"\nENTER LENGTH AND BREATH OF A RECTANGLE:";

               cin>>l>>b;

               area=l*b;

               cout<<"\nAREA OF RECTANGLE IS "<<area;

               break;

      case 3:cout<<"\nENTER THE THREE SIDE OF A TRIANGLE:";

               cin>>x>>y>>z;

               w=(x+y+z)/2;

               area=sqrt(w*(w-x)*(w-y)*(w-z));

               cout<<"\nAREA OF TRIANGLE IS "<<area;

               break;

      case 4:cout<<"\nENTER THE SIDE OF SQUARE:";

               cin>>w;

               area=w*w;

               cout<<"\nAREA OF A SQUARE IS "<<area;

               break;

      default:cout<<"\nWRONG CHOICE!!!";

               break;

      }

  }

  else if(ch==2)

  { cout<<"\n\tPERIMETRE OF A CIRCLE";

    cout<<"\nPRESS 1 FOR PERIMETRE OF CIRCLE";

    cout<<"\nPRESS 2 FOR PERIMETRE OF RECTANGLE";

    cout<<"\nPRESS 3 FOR PERIMETRE OF TRIANGLE";

    cout<<"\nPRESS 4 FOR PERIMETRE OF SQUARE";

    cout<<"\nENTER YOUR CHOICE:";

    cin>>ch;

  switch(ch)

  { case 1:cout<<"\nENTER THE RADIUS OF A CIRCLE:";

             cin>>r;

             peri=3.14*r*2;

             cout<<"\nPERIMETRE OF A CIRCLE IS "<<peri;

             break;

    case 2:cout<<"\nENTER LENGTH AND BREATH OF RECTANGLE:";

             cin>>l>>b;

             peri=2*(l+b);

             cout<<"\nPERIMETRE OF RECTANGLE IS "<<peri;

             break;

    case 3:cout<<"\nENTER THREE SIDES OF TRIANGLE:";

             cin>>x>>y>>z;

             peri=x+y+z;

             cout<<"\nPERIMETRE OF TRIANGLE IS "<<peri;

             break;

    case 4:cout<<"\nENTER THE SIDE OF SQUARE:";

             cin>>w;

             peri=4*w;

             peri=4*w;

             cout<<"\nPERIMETRE OF SQUARE IS "<<peri;

             break;

    default:cout<<"\nWRONG CHOICE!!!";

              break;

   }

  }

  else

  cout<<"\nYOU HAVE ENTERDE WRONG CHOICE!!!";

   getch();

};

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Q-12- WAP to print pyramid of a number.

#include<iostream.h>

#include<conio.h>

void main()

{ int i,j,k,l,m=5;

  clrscr();

  for(i=1;i<m;i++)

  { for(j=1;j<=m-i;j++)

    { cout<<" ";

    }

    for(k=1;k<=i;k++)

    { cout<<k;

    }

    for(l=i-1;l>=1;l--)

    { cout<<l;

    }

    cout<<"\n";

  }

  getch();

};

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Q-13- WAP to enter name and age of a person and display using class.

#include<iostream.h>

#include<conio.h>

class person

{ char name[30];

  int age;

  public:

  void getdata();

  void dispdata();

};

 void person::getdata()

 { cout<<"ENTER YOUR NAME:";

   cin>>name;

   cout<<"ENTER YOUR AGE:";

   cin>>age;

 }

 void person::dispdata()

 { cout<<"\nYOUR NAME IS "<<name;

   cout<<"\nYOUR AGE IS "<<age;

 }

 void main()

 { clrscr();

   person a;

   a.getdata();

   a.dispdata();

   getch();

 }

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Q-14- WAP to calculate and display sum,average and percentage of a student’s marks.

#include<iostream.h>

#include<conio.h>

class marks

{ int a,b,c,d,e,sum;

  float avg,per;

  public:

  void getdata();

  void dispdata();

};

 void marks::getdata()

 { cout<<"ENTER MARKS OF FIVE SUBJECTS:";

   cin>>a>>b>>c>>d>>e;

   sum=a+b+c+d+e;

   avg=sum/5;

   per=sum/5;

 }

 void marks::dispdata()

 { cout<<"\nSUM IS "<<sum;

   cout<<"\nAVERAGE IS "<<avg;

   cout<<"\nYOUR PERCENTAGE="<<avg;

 }

 void main()

 { clrscr();

   marks m;

   m.getdata();

   m.dispdata();

   getch();

 }

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