3. Program to check whether a given number is Armstrong, odd or even, perfect square or cube.

//3. Program to check whether a given number is Armstrong, odd or even, perfect square or cube.
#include<stdio.h>
#include<math.h>
void main()
{
    int number,i,temp,sflag=0,cflag=0;
    double remainder, result = 0,n=0;
    clrscr();
    printf("Enter a number: ");
    scanf("%d", &number);
    temp = number;
   
    while (temp != 0)
    {
    temp =temp / 10;
    ++n;
    //printf("n=%d\n",n); //This is for debugging.
    }
    temp = number;
    while (temp != 0)
    {
    remainder = temp%10;
    result = result + pow(remainder, n);
    temp = temp / 10;
    //fflush(stdin);
    }
    if(result == number)
    printf("It is an Armstrong number.\n");
    else
    printf("It is not an Armstrong number.\n");
    // True if the number is perfectly divisible by 2
    if(number % 2 == 0)
    printf("It is an even number.\n");
    else
    printf("It is an odd number.\n");


    for(i=0;i<number/2;i++)
    {
        if(i*i==number)
        {
            printf("It is a perfect square.\n");
            sflag=1;
        }

        if(i*i*i==number)
        {
            printf("It is a perfect cube.\n");
            cflag=1;
        }

    }
    if(sflag==0)
        printf("It is not a perfect square.\n");
    if(cflag==0)
        printf("It is not a perfect cube.\n");
      getch();
}