# How to write armstrong number program in c++  An Armstrong Number can be defined an n-digit number which is equal to the nth power sum of the individual digits of the number. Separate each digit of the numbers in the interval. If both are equal than number is an armstromg number otherwise not an armstromg number. Here, 3 has been used as the power of digit because is a three-digit number. Using a for loop, we iterate from x till y and check for each number whether it is armstrong number or not.

If the sum is equal to number, print the number as an Armstrong number and jump to next number.

## 4 digit armstrong number in c++

We have defined a function "getCubicSumOfDigits", which takes an integer parameter as input and then returns the sum of cubes of digits of a number. If both are equal than number is an armstromg number otherwise not an armstromg number. Compare inputNumber and sum. Add the cube of all the digits. In this tutorial post, we are going to write a program for Armstrong Number in C programming with its algorithm, source code and sample output. Finally, we compare the cubic sum of digits of a number with the number itself. Find the cube of each digit. Here is a brief introduction of armstrong number: An Armstrong number is a number whose sum of cubes of every digit of a number is equal to the number itself. Find the cubic sum of digits of inputNumber, and store it in sum variable. Separate each digit of the numbers in the interval. It gives the fundamental idea of input and output functions and simple mathematical operations that come along with the loops. Declare and initialize the variables. Inside getCubicSumOfDigits function, we extract digits of number one by one add the cube of the digit to a variable sum. In this program, we will take two two integers as input from user and then print all armstrong numbers between given two integers.

WhatsApp An Armstrong Number is an n-digit number which is equal to the nth power sum of its individual digits.

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