Generate Armstrong Numbers in C++
To generate Armstrong numbers in C++ programming, you have to ask to
the user to enter the interval to print the Armstrong number between the given interval as shown
here in the following program.
C++ Programming Code to Generate Armstrong Numbers
Following C++ program ask to the user to enter the interval, to print the Armstrong numbers in the
given interval. Since if you start from 1 then the first Armstrong number will be 153.
So enter the interval which contain 153 like enter starting number as 1, 2, 3, 4...... etc. and
enter the ending number like 154, 155, 156.......etc. It is just a clue that the first Armstrong
number is 153 so to check/print, you can follow it.
Generate Armstrong number from the following C++ program, so following C++ program illustrates it:
/* C++ Program - Generate Armstrong Numbers */
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int num1, num2, i, n, rem, temp, count=0;
//enter the interval (enter the two number)
cout<<"Enter Starting Number : ";
cin>>num1;
cout<<"Enter Ending Number : ";
cin>>num2;
for(i=num1+1; i<num2; i++)
{
temp=i;
n=0;
while(temp!=0)
{
rem=temp%10;
n = n + rem*rem*rem;
temp=temp/10;
}
if(i==n)
{
if(count==0)
{
cout<<"Armstrong numbers between the given interval are : \n";
}
cout<<i<<" ";
count++;
}
}
if(count==0)
{
cout<<"Armstrong number not found between the given interval";
}
getch();
}
When the above C++ program is compile and executed, it will produce the following result.
Above C++ Programming Example Output (for Armstrong numbers found):
Above C++ Programming Example Output (for Armstrong numbers not found):
Same Program in Other Language
You may like the same program in other programming languages:
C++ Online Test
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