5. Reverse the given number.

    #include <stdio.h>
    #include <conio.h>
    void main()
    {
        int num, rem, sum = 0, temp;
        clrscr();
        printf("Enter the number:");
        scanf("%d", &num);
        temp = num;
        while (num != 0)
        {
            rem = num % 10;
            sum = sum * 10 + rem;
            num = num / 10;
        }
        printf("The Reverse of %d decimal digits is %d", temp, sum);
    }