C++ Programming
****************************
#include <iostream>
using namespace std;

int main()
{

cout<<"Hello World!";

return 0;
}

#include <iostream>
#include<conio.h>
 using namespace std;
int main()
{
cout<<"Md. Abdul Karim";
getch();
}
***********
for loop
***********
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int a=1;
for(a=1;a<6;a++){
    cout<<"Value of a= "<<a<<endl;
}
getch();
}
**********************************************
**************************************************************************
While loop
**************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int a=1;
while(a<6)
    {
    cout<<"Value of a= "<<a<<endl;
    a=a+1;
    }
getch();
}
****************
do while loop
****************
//do while loop
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int a=1;
do{
    cout<<"Value of a= "<<a<<endl;
    a=a+1;
}while(a<6);
getch();
}
*******************
Switch case
******************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
char grade='B';
switch(grade){
    case'A':
cout<<"Excellent!"<<endl;
break;
    case'B':
cout<<"Wel done"<<endl;
break;
    case'C':
cout<<"Average"<<endl;
break;
    case'D':
cout<<"You passed"<<endl;
break;
    case'E':
cout<<"Better try again"<<endl;
break;
    default:
cout<<"Invalid grade"<<endl;
}
cout<<"Obtained Grade:"<<grade<<endl;

getch();


**************************************************************************
Nested Switch case
**************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int a=10;
    int b=20;
switch(a){
    case 10:
cout<<"Outer Switch case"<<endl;
switch(b){
    case 20:
cout<<"Inner Switch case"<<endl;
}
}
cout<<"Value of a is="<<a<<endl;
cout<<"Value of a is="<<b<<endl;
getch();
}
**************************************************************************

**************************************************************************
Nested else if
**************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int marks;
cout<<"Enter your marks= ";
cin>>marks;
if(marks>100){
cout<<"Not valid marks";
}else if(marks>=80){
cout<<"Your grade is= A+";
}else if(marks>=70){
cout<<"Your grade is= A";
}else if(marks>=60){
 cout<<"Your grade is= A-";
}else if(marks>=50){
cout<<"Your grade is= B";
}else if(marks>=40){
cout<<"Your grade is= C";
}else if(marks>=33){
cout<<"Your grade is= D";
}else{
cout<<"Your grade is= F";
}
getch();
}
 *******************************
Even or Odd
********************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int n;
if(n%2==0)
    cout<<"Even\n";
else
    cout<<"Odd\n";
getch();
}
**********************************************
**************************************************************************
Sum of digits of a big integer
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int n,sum=0,remainder;
cout<<"Enter an big integer= ";
cin>>n;
while(n!=0)
{
    remainder=n%10;
    sum=sum+remainder;
    n=n/10;
}
cout<<"Sum of digits of entered number= "<<sum<<endl;
getch();
}
**********************************************
**************************************************************************
Find out greatest number from three integers
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int a,b,c;
cout<<"enter any three numbers= ";
cin>>a>>b>>c;
if(a>b && a>c)
    cout<<"Greatest number is= "<<a;
else if(b>c)
    cout<<"Greatest number is= "<<b;
else
    cout<<"Greatest number is= "<<c;
getch();
}
**********************************************
**************************************************************************
Swapping (alter) two numbers
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int x,y,temp;
cout<<"Enter the value of x and y\n";
cin>>x>>y;
cout<<"Before Swapping\nx="<<x<<"\ny="<<y<<"\n";
temp=x;
x=y;
y=temp;
cout<<"After Swapping\nx="<<x<<"\ny="<<y<<"\n";
getch();
}
**********************************************
**************************************************************************
Calculate Percentage
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int s1,s2,s3,s4,s5,sum,total=500;
float per;
cout<<"\nEnter marks of five subjects= ";
cin>>s1>>s2>>s3>>s4>>s5;
sum=s1+s2+s3+s4+s5;
cout<<"\nSum= "<<sum;
per=(sum*100)/500;
cout<<"\nPercentage= "<<per<<"%";
getch();
}
**********************************************
Calculate gross salary
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int gross_salary,basic,da,ta;
cout<<"\nEnter Basic salary= ";
cin>>basic;
da=(10*basic)/100;
ta=(12*basic)/100;
gross_salary=basic+da+ta;
cout<<"\nGross salary= "<<gross_salary<<endl;
getch();
}
******************
Simple Interest
******************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
float p,n,r,I;
cout<<"\nEnter Principal Amount= ";
cin>>p;
cout<<"\nEnter Rate of Interest= ";
cin>>r;
cout<<"\nEnter Period of time in year= ";
cin>>n;
I=p*n*r/100;
cout<<"\nSimple Interest= "<<I<<endl;
getch();
}
**********************************************
**************************************************************************
18. Program to display numbers from 1 to 50 using while loop
**************************************************************************
  #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int number=1;
while(number<=50){
cout<< number<<",";
    number=number+1;
}
getch();
}


**********************************************
**************************************************************************
18. Program to display numbers from 1 to 50 using while loop
**************************************************************************
  #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int number=1;
while(number<=50){
cout<< number<<",";
    number=number+1;
}
getch();
}


**********************************************
**************************************************************************
Check Leap Year
**************************************************************************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int year;
cout<<"Enter a year to check if it is a leap year\n";
cin>>year;
if(year%400==0)
    cout<<year<<"is a leap year.\n";
else if(year%100==0)
    cout<<year<<"is a leap year.\n";
else if(year%4==0)
    cout<<year<<"is a leap year.\n";
    else
    cout<<year<<"is not a leap year.\n";
getch();
}
**********************************************

#include<iostream>
using namespace std;

int main(){

cout<<"Hello World!";

return 0;
}
********************************
Print Integer
*************************
 #include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int a;
cout<<"Enter an integer= ";
cin>>a;
cout<<"integer that you have pressed is= "<<a<<"\n";
getch();

}
******************************************
2. Accept a number from user and display it on Screen
******************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int a;
cout<<"Enter any Number ";
cin>>a;
cout<<"The number entered is "<<a;
getch();
}*****************************************
Use of data type integer and float
*******************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int a,b,c;
float e;
a=5;
b=10;
c=a+b;
cout<<c<<endl;
e=15.0/4.0;
getch();
cout<<e<<endl;
}

******************************************
3. Accept two numbers and display the sum of these
*******************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int a,b,c;
cout<<"Enter 1st Number= ";
cin>>a;
cout<<"Enter 2nd Number= ";
cin>>b;
c=a+b;
cout<<"Sum of two number is= "<<c;
getch();
}
**********
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
cout<<"Md."<<" "<<"Abdul"<<" "<<"Karim"<<" "<<"Sarkar";
getch();
}
********Word space*******
#include <iostream>
#include<conio.h>
using namespace std;

int main()
{
cout <<"Md .  ";
cout <<"Abdul  ";
cout<<"Karim  ";
cout <<"Sarkar   ";

getch();
}
**********************
Addition of two numbers.
**********************
 #include <iostream>
#include <conio.h>
using namespace std;

int main()
{
int first,second,sum;
cout<<"Enter two  integers= ";
cin>>first>>second;
sum=first+second;
cout<<"Sum of entered numbers is= "<<sum<<"\n";
getch();
}
  *************************
4. Program to find area of a square
**************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int s,a;
cout<<"\n Enter the side of a square= ";
cin>>s;
a=s*s;
cout<<"\n Area of the square is= "<<a;
getch();
}
   **********************************************
5. Accept length and breadth of Rectangle and display its area
************************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
float l,b,a;
cout<<"\n Enter length of rectangle= ";
cin>>l;
cout<<"\n Enter breadth of rectangle= ";
cin>>b;
a=l*b;
cout<<"\n Area of the rectangle is= "<<a;
getch();
}
**************
#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
cout <<" \t Md. Abdul Karim\n";
cout <<"\t Rohanpur\n";
cout <<"\t 01818-830761";

getch();
}
  *********
New line
**********
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
cout <<"\t Md.";
cout<<"\t Abdul";
cout<<"\t Karim";
getch();
}
 **************************************
6. Accept radius of a  circle and display its area
***************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
float r,a;
cout<<"\n Enter radius of circle= ";
cin>>r;

a=3.1416*r*r;
cout<<"\n Area of the circle is= "<<a;
getch();
}
*********

cout<<"Md.\n Abdul \n Karim \n Sarkar";
getch();
}

*********************************
7. Calculate Average
*********************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int eng,comp,math;
float avg;
cout<<"\n Enter marks for English= ";
cin>>eng;
cout<<"\n Enter marks for Computer= ";
cin>>comp;
cout<<"\n Enter marks for Math= ";
cin>>math;

avg=(float)(eng+comp+math)/3;
cout<<"\n The Avarage marks of three subject is= "<<avg;
getch();
}
*********

#include <iostream>
using namespace std; 
int main()
{

cout <<"Md." <<endl <<"Abdul" <<endl <<"Karim "<<endl <<"Sarkar";
return 0;
}

***************************
If Else Basic Program(Check Number)
******************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int a;
cout<<"Enter any Number= ";
cin>>a;
if(a>10)
{
    cout<<"\n Number is Grater than 10";
}else{
  cout<<"\n Number is less than 10";
}
getch();
}
******************

******************************************************
8. Accept marks of 5 subject and print Percentage and Grade Point
******************************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int eng,beng,maths,comp,social;
float per;
cout<<"\n Please enter marks for English = ";
cin>>eng;
cout<<"\n Please enter marks for Bengoli = ";
cin>>beng;
cout<<"\n Please enter marks for Mathematics = ";
cin>>maths;
cout<<"\n Please enter marks for Computer = ";
cin>>comp;
cout<<"\n Please enter marks for Social = ";
cin>>social;
per=(eng+beng+maths+comp+social)*100/500;
cout<<"\n Your Percentage is = "<<per<<"%";
if(per<33)
    {cout<<"\n You obtained grade = "<<"F";}
else if(per>=33 && per<=39)
    {cout<<"\n You obtained grade = "<<"D";}
else if(per>=40 && per<=49)
    {cout<<"\n You obtained grade = "<<"C";}
else if(per>=50 && per<=59)
    {cout<<"\n You obtained grade = "<<"B";}
else if(per>=60 && per<=69)
    {cout<<"\n You obtained grade = "<<"A-";}
else if(per>=70 && per<=79)
    {cout<<"\n You obtained grade = "<<"A";}
else if(per>=80 && per<=100)
    {cout<<"\n You obtained grade = "<<"A+";}
else if(per>100)
    {cout<<"\n Invalid number";}
getch();
}
********

#include <iostream>

#include <conio.h>
using namespace std; 
int main()
{

cout<<"Md. Abdul Karim "<< "Sarkar";

getch();

}

**********************************
9. Simple Interest
**********************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
int p;
float r,n,I;
cout<<"\n Please enter the Principal amount = ";
cin>>p;
cout<<"\n Please enter the rate = ";
cin>>r;
cout<<"\n Please enter the time(years) = ";
cin>>n;
I=(p*n*r)/100;
cout<<"\n Interest for "<<p<<" will be RS = "<<I;
getch();
}
**************

#include <iostream>

#include <iostream>
using namespace std; 
int main()
{

Cout<<”Md. Abdul Karim ”<<” Sarkar”;
getch();
}

***********************************************************************
10. Accept a character from user and display it.
***********************************************************************
#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
char a;
cout<<"\n Please enter any character = ";
cin>>a;
cout<<"\n You have pressed = "<<a;
getch();
}
*********************

\a=(alert) Bell          \b = Back Space

\f = Form Feed       \n = New line

\r = C
 *******New line  endl ********

#include <iostream>
#include<conio.h>
using namespace std;
int main()
{
cout <<"Md." <<endl <<"Abdul" <<endl <<"Karim "<<endl <<"Sarkar";
getch();
}

***********************************************************************
12. Accept Sentence (without space using under_score) from user and display it.
***********************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
char a[100];
cout<<"Enter any Sentence (without space using under_score)= ";
cin>>a;
cout<<"You have pressed = "<<a;
getch();
}
********

**********
Tab \t
 ***********

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1=10,num2=20;

cout<< num1<<endl;

cout<< num2;

getch();

}

*********************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1=10,num2=20;

cout<<"number1= "<< num1<<endl <<"number2= "<<num2;

getch();

}

*********************

String variable:

*********************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

char name[16] ="Md. Abdul Karim";

cout<<name;

getch();

}

******************************************

******************************************

*********************

Character

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

char ch;

cout<<"Enter a character= ";

cin>>ch;

cout<<"You press the character is= "<<ch;

getch();

}

*********************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

char name[20];

cout<<"Enter your name= ";

cin>>name;

cout<<"Welcome "<<name;  

getch();

}

***********

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

char name[20];

cout<<"Enter your name= ";

cin>>name;

cout<<"Your name is: "<<name;  

getch();

}

Arithmetic Operator

*********************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1,num2,num3,sum;

cout<<"Enter three integers= ";

cin>>num1>>num2>>num3;

sum=num1+num2+num3;

cout<<"Total= "<<sum;   

getch();

}

11.

Operator, Operand, Expression:

a=b+7  ie, Expression

 here a and b Operand

 = and + Operator

Arithmetic Operator: +, -, *, /, %

X=15+6 ie, x=21

X=15-6  ie, x=9

X=15*6  ie, x=90

X=15/6  ie, x=2.5

X=15%6  ie, x=3

Arithmetic Operator

*********************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1,num2,sum;

cout<<"Enter two integers= ";

cin>>num1>>num2;

sum=num1+num2;

cout<<"Total= "<<sum;    

getch();

}

*************************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

double num1,num2,sum;

cout<<"Enter first decimal fraction number= ";

cin>>num1;

cout<<"Enter second decimal fraction number= ";

cin>>num2;

 sum=num1+num2;

cout<<"result is= "<<sum;

getch();

}

*********

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1,num2,sum,sub,mul,divi,redu;

cout<<"Enter first decimal fraction number= ";

cin>>num1;

cout<<"Enter second decimal fraction number= ";

cin>>num2;

 sum=num1+num2;

 sub=num1-num2;

 mul=num1*num2;

 divi=num1/num2;

 redu=num1 % num2;

cout<<"Sum is= "<<sum;

cout<<endl;

cout<<"substruction is= "<<sub;

cout<<endl;

cout<<"Multiplication is= "<<mul;

cout<<endl;

cout<<"Division is= "<<divi;

cout<<endl;

cout<<"Reduces is= "<<redu;

getch();

}

************

#include <iostream>

#include <conio.h>

using namespace std;

int main()

{

int num1,num2,sum,sub,mul,divi,redu;

cout<<"Enter first decimal fraction number= ";

cin>>num1;

cout<<"Enter second decimal fraction number= ";

cin>>num2;

 sum=num1+num2;

cout<<"Sum is= "<<sum;

cout<<endl;

sub=num1-num2;

cout<<"substruction is= "<<sub;

cout<<endl;

mul=num1*num2;

cout<<"Multiplication is= "<<mul;

cout<<endl;

divi=num1/num2;

cout<<"Division is= "<<divi;

cout<<endl;

redu=num1 % num2;

cout<<"Reduces is= "<<redu;

getch();

}

**********
{
int first,second,add,subtract,multiply;
float divide;

cout<<"Enter two integers\n";
cin>>first>>second;

add=first+second;
subtract=first-second;
multiply=first*second;
divide=first/(float)second;

cout<<"sum="<<add<<"\n";
cout<<"subtract="<<subtract<<"\n";
cout<<"multiply="<<multiply<<"\n";
cout<<"divide="<<divide<<"\n";
getch();

}
************************************************************************
14. Find out which is grater between two integers
*************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int a,b,gr_no;
cout<<"Please enter any two Numbers= ";
cin>>a>>b;
if(a>b)
{
   gr_no=a;
}else{
gr_no=b;
}
cout<<"\n Grater number is= "<<gr_no;
getch();
} 
********************************************************************************
15. Accept 5 numbers and check which one is the greatest
*********************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int a,b,c,d,e,gr_no;
cout<<"Please enter five Numbers= ";
cin>>a>>b>>c>>d>>e;
gr_no=a;
if(b>gr_no)
{
   gr_no=b;
}
if(c>gr_no)
{
   gr_no=c;
}
if(d>gr_no)
{
   gr_no=d;
}
if(e>gr_no)
{
   gr_no=e;
}
cout<<"\n Grater number is= "<<gr_no;
getch();
} 
*********************************************************************
16. Accept a no and check  whether it is odd or even
*********************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int number,a;
cout<<"Please enter any Number= ";
cin>>number;
a=number%2;
if(a==0)
{
   cout<<"\n Number is Even";
}
else
{
cout<<"\n Number is Odd";
}
getch();
}
******************* ********************************************************
17. Accept two numbers and Swap(বিনিময় করা ) them
*****************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int first,second,temp;
cout<<"\n Please enter 1st Number= ";
cin>>first;
cout<<"\n Please enter 2nd Number= ";
cin>>second;
temp=first;
first=second;
second=temp;
cout<<"\n After Swapping : ";
cout<<"\n First Number: "<<first;
cout<<"\n Second Number: "<<second;
getch();
}
**************************************************************************
18. Program to display numbers from 1 to 50 using while loop
**************************************************************************
  #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int number=1;
while(number<=50){
cout<< number<<",";
    number=number+1;
}
getch();
}
**********************************************
19. Program to display numbers from 1 to 50 using for loop
***********************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
for(int number=1;number<=50;number++)
{
cout<< number<<",\n";
}
getch();

}
*********************************************
18. Program to display numbers from 1 to 50 using DO WHILE loop
**********************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{

int number=1;
do
{
cout<< number<<endl;
number=number+1;
}
while(number<=50);
getch();

}
********************************************
21.Display all the numbers from 8 to n
*********************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{

int number,n;

cout<<"\n Please enter the value of n= ";
cin>>n;
for(number=8;number<=n;number++)
{
cout<<number<<endl;
}
getch();
}
**************************************************
22.Display even number (if condition into for loop)
*************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{

int number,n,r;

cout<<"\n Please enter the value of n= ";
cin>>n;
for(number=1;number<=n;number++)
{
    r=number%2;
    if(r==0)
        {cout<<number<<endl;}
}
getch();

}
******************************************
22.Display odd number (if condition into for loop)
*********************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{

int number,n,r;

cout<<"\n Please enter the value of n= ";
cin>>n;
for(number=1;number<=n;number++)
{
    r=number%2;
    if(r==!0)
        {cout<<number<<endl;}
}
getch();

}
**********************************************
24. Sum of natural numbers
************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
double sum;
int n,i;

cout<<"\n Please enter number till where you want the sum= ";
cin>>n;
for(i=1;i<=n;i++)
{sum=sum+i;}
cout<<"\n Sum is="<<sum;
getch();

}
**************************************************
26. Accept a number and show factorial of it
*****************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int num;
double fact=1;
cout<<"\n Please enter any positive number= ";
cin>>num;
for(int i=1;i<=num;i++)
{
    fact=fact*i;
}
cout<<"\n Factorial is= "<<fact;
getch();

}
*******************************************************
24. L.C.M of two integer numbers
**********************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int m,n,i,x;
cout<<"Enter 1st Number= ";
cin>>m;
cout<<"Enter 2nd Number= ";
cin>>n;
x=m*n;
cout<<"L.C.M of "<<m<<" and"<<n<<" is= ";
for(i=1;i<=x;i++){
    if(x%i==0 && i%m==0 && i%n==0){
        cout<<i;
        break;
    }
}
getch();
}
*******************************************************
#include <iostream>
#include <conio.h>
using namespace std;
int main(){

int n,sum=0,c,value;

cout<<"Enter the number of integers you want to add\n";

cin>>n;

cout<<"Enter number of these integers="<<"\n";

for(c=1;c<=n;c++){
    cin>>value;
    sum=sum+value;
}
cout<<"sum of entered integers="<<sum<<"\n";
getch();

}
******************************************************
25. Accept a number from user and display table of it
********************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int n;
cout<<"\n Please enter any number= ";
cin>>n;
for(int i=1;i<=10;i++){cout<<n*i<<endl;}
getch();
}
********************************************************** 
26. Accept a number and display its table if it is even
******************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int n;
cout<<"\n Please enter any number= ";
cin>>n;
for(int i=1;i<=10;i++)
    {
    if(n%2==0)
    {cout<<n*i<<endl;}
    else
    {cout<<"\n Number intered is odd";}
    }
getch();
}
********************************************************** 
27. Accept a number and display its table if it is odd
************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int n;
cout<<"\n Please enter any number= ";
cin>>n;
for(int i=1;i<=10;i++)
    {
    if(n%2==!0)
    {cout<<n*i<<endl;}
    else
    {cout<<"\n Number intered is even";}
    }
getch();
}
***************************************************************************************
28. Palindrome or not.( ie, "12344321" is palindrome and "123456"  is not palindrome)
****************************************************************************************
 #include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int n,h,a,p=0;
cout<<"\n Please enter any number= ";
cin>>n;
h=n;
while(h>0)
    {
    a=h%10;
    p=(p%10)+a;
    h=h/10;
    }
if(h==p)
{cout<<"\n Entered number is Palindrome";}
else
    {cout<<"\n Entered number is not Palindrome";}
getch();
}
*********************************************************************