Hexaware GET Interview Questions 2024

// Write a C Program to display the Armstrong numbers in between the given range
#include<stdio.h>
#include<string.h>
using namespace std;
// number of digits in a number is order
int order(int x)
{
    int len = 0;
    while (x)
    {
        len++;
        x = x/10;
    }
    return len;
}
void armstrong(int low, int high){

for(int num = low; num <= high; num++){

int sum = 0, temp, digit, len;
temp = num;

// function to get order(length)
len = order(num);

// loop to extract digit, find powers & add to sum
while(temp != 0)
{
// extract digit
digit = temp % 10;

// add power to sum
sum = sum + pow(digit,len);;
temp /= 10;
};

if(sum == num)
printf("%d ",num);
}
}

// Driver Code
int main ()
{
int low, high;

printf("Enter a lower & upper bounds: ");
scanf("%d %d",&low,&high);

// get armstrong numbers
armstrong(low, high);
}