PRACTICAL FILE

PROGRAMMING FOR PROBLEM SOLVING

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

SUBMITTED BY: SUBMITTED TO:

AMARJIT KUMAR MRS: SUKHPREET KAUR

24BCSE003 ASSISTANT PROFESSOR

CSE DEPT

SCHOOL OF ENGINEERING

RIMT UNIVERSITY, MANDI GOBINDGARH, PUNJAB

#include<conio.h>

void main()

clrscr();

cout<<”Hello,World”;

getch();

}
PROGRAM 2 : WAP TO DISPLAY THE SIZE OF CHAR,INT,FLOAT AND DOUBLE
(in btyes).
#include<iostream.h>

#include<conio.h>

void main()

clrscr();

cout<<”size of char : “<<sizeof(char)<<”byte”<<endl;

cout<<size of int : “<<sizeof(int)<<”byte”<<endl;

cout<<size of float : “<<sizeof(float)<<”byte”<<endl;

cout<<size of double : “<<sizeof(double)<<”byte”<<endl;

Getch();

}
PROGRAM 3; WAP FOR THE ADDITION OF TWO NUMBERS.
#include<iostream.h>

#include<conio.h>

void main()

int a,b,c;

clcscr()

cout<<”Enter Two Numbers : ”;

cin>>a>>b;

c=a+b;

cout<<”\nAddition =”<<c;

getch();

}
PROGRAM 4: WAP FOR THE SUBTRACTION OF TWO NUMBERS.
#include<iostream.h>

#include<conio.h>

void main()

int a,b,c;

clcscr()

cout<<”Enter Two Numbers : ”;

cin>>a>>b;

c=a+b;

cout<<”\nSubtraction=”<<c;

getch(); }
PROGRAM 5 : WAP FOR THE DIVISION OF TWO NUMBERS.
#include<iostream.h>

#include<conio.h>

void main()

float a,b,c;

clcscr()

cout<<”Enter Two Numbers : ”;

cin>>a>>b;

if(b!=0){

c=a/b;

cout<<”\nDivision =”<<c;

else {

cout<<”\nError:Division by zero is not allowed.”;

Getch()

}
PROGRAM 6: WAP TO SWAP ANY TWO RANDAM GIVEN NUMBER.
#include<iostream.h>

#include<conio.h>

void main()

clcscr()

int a.b;

cout<<”Enter Two Numbers : ”;

cin>>a>>b;

a=a+b;

b=a-b;

c=a-b;

cout<<”\nAfter swapping:”;

cout<<”\nFirst number =”<<a;

cout<<”\nSecond number =”<<b;

getch();

}
PROGRAM 7: WAP TO CHECK WHETHER A NUMBER IS EVEN OR ODD.
#include<iostream.h>

#include<conio.h>

void main()

clcscr()

int num;

cout<<”Insert any Two Numbers : ”;

cin>>num;

if(num%2=0)

cout<<”The number is even “;

}else

Cout<<”The number is odd”;

Getch(); }
Program 8 : PROGRAM TO SHOW THE USE OF ENDL.
#include<iostream.h>

#include<conio.h>

int main()

int a=100;

double b=3.14;

clrscr();

cout<<”a=”<<a;

cout<<endl;

cout<<”b=”<<endl<<”a*b=”<<a*b;

getch();

return 0;

}
Program 9 : PROGRAM TO SHOW THE USE OF ENDL.
#include<iostream.h>

#include<conio.h>

int main(){

int a,b;

clrscr();

a=10;

cout<<”a:”<<a;

b=4;

cout<<”\nb:”<<b;

a=b;

b=7;

cout<<\na:<<a;

cout<<\nb:<<b;

getch();

return 0;

}
Program 10: Program to show the significance of conditional operators.
#include<iostream.h>

#include<conio.h>

int main()

int a,b,c;

clrscr();

a=2;

b=7;

c=(a>b)?a:b;

cout<<c;

getch();

return 0;

}
Program 11: PROGRAM TO ENTER AN INTGERS AND FIND THE NUMBER IS EVEN OR ODD.
#include<iostream.h>

#include<conio.h>

void main()

clrscr();

int x;

cout<<”enter an intgers : “;

cin>>x;

if(x%2==0)

cout<<”the number “<<x<<”is even “;

else

cout<<”the number “<<x<<”is odd”;

getch();

}
Program 12: PROGRAM TO PRINT THE FIBONACCI SERIES.
#include<iostream.h>

#include<conio.h>

void main()

clrscr();

int a,b,x,y,count,num;

a=0;

b=1;

cout<<”Enter the number of terms(less than 25);”<<endl;

cin>>num;

cout<<a<<”\t”;

cout<<b<<”\t”;

for(count=3;count<=num;count++)

{x=a+b;

Cout<<x<<’\t”;

a=b;

b=x;

getch();}
Program 13: PROGRAM TO SHOW THE IMPORTANCE OF CONTINUE STATEMENT.
#include<iostream.h>

#include<conio.h>

int x=0;

while(x<10)

++x;

if(x%2==0)

continue;

cout<<<x<<”is an odd number.”<<endl;

getch();

return 0;

}
Program 13 : PROGRAM TO ILLUSTRATE THE WORKING OF PASS BY VALUE.
#include<iostream.h>

#include<conic.h>

int add(int n);

int main(){

int number.result;

number=5;

cout<<”the initial value of number : “<<number<<endl;

result=add(number);

cout<<”the final value of number:”<<number<<endl;

cout<<”the result is :”<<result<<endl;

getch();

return 0;

int add(int number)

number=number+100;

return(number);

}
Program 14 : PROGRAM TO ILLUSTRATE THE WORKING OF PASS BY REFERENCE.
#include<iostream.h>

#include<conio.h>

void fun1(int&y)

cout<<”y=”<<y<<endl;

y=6;

cout<<”y=”<<y<<endl;

int main()

int x=5;

cout<<”x=”<<x<<endl;

fun1(x);

cout<<”x=”<<x<<endl;

getch();

return 0;

}
Program 15: PROGRAM TO SHOW THE AVERAGE AGE,MAXIMUM AGE AND MINIMUM AGE
OF THE STUDENT OF A CLASS.

#include<iostream.h>

#include<conio.h>

int main()

int age[10];

int i,sum=0,avg=0;

int max=0,min=100;

for(i=0;i<5;i++){

cout<<”Enter the age of the student”<<i+1<<emdl;

cin>>age[i];

if(age[i]>max)

max=age[i];}

if(age[i]>min)

{ min=age[i];

avg=sum/5;

cout<<”average age of the student of the class:”<<avg<<endl;

cout<<”maximum age of the student of the class:”<<max<<endl;

cout<<”minimum age of the student of the class:”<<min<<endl;

getch();

return(0);}
Program 16: PROGRAM TO FIND THE TOTAL DAYS IN THE YEAR TILL DATES.
#include<iostream.h>

#include<conio.h>

void main(){

clrscr();

int day,month,total;

int days_per_month[12]={31,28,31,30,31,30,31,31,30,31);

cout<<”Enter the month:”<<endl;

cin>>month;

cout<<’Enter the day:”<<endl;

cin>>day;

total=day;

for(int x=0;x<month-1;x++)

total+=days_per_month[x];

cout<<”The number of days in this year till date =”<<total<<endl;

getch();

}
Program :17 ; PROGRAM TO CALCULATE THE FACTORIAL OF A NUMBER WITH THE HELP OF
LOOP.

#include<iostream.h>

#include<conio.h>

int main()

int n,fact=1,i;

cout<<”Enter the number whose factorial has to be calculated”<<endl;

cin>>n;

if(n<=1)

fact=1;

else{

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

fact=fact*i;

cout<<”the factorial of “<<n<<”is”<<fact<<endl;

getch();

return(0);