//Write a program to calculate compound interest.
using System;
class a
{
        public void interest(double p ,double r,double n ,double t)
        {
                double tot=0;
               for(int i=1;i<t+1;i++)
               {
                        tot=p*Math.Pow((1+r/n),(n*i));
                        Console.WriteLine("your total for year {0} "+" is {1:F0}",i,tot);
               }
        }
}
class my
{
        public static void Main()
        {
                Double p,r,n,t;
                Console.Write("Enter Pricipal Amount:");
                p=Convert.ToDouble(Console.ReadLine());
                Console.Write("Enter Rate:");
                r=Convert.ToDouble(Console.ReadLine())/100;
                Console.Write("No of year:");
                n=Convert.ToDouble(Console.ReadLine());
                Console.Write("No of years");
                t=Convert.ToDouble(Console.ReadLine());
                a a1= new a();
                a1.interest(p,r,n,t);
                Console.Read();
        }
}

//Write a program check whether the Entered Number is Prime Number or Not.
using System;
class a
{
    public void getdata(int num)
    {
        int k;
        k = 0;
        for (int i = 1; i <= num; i++)
        {
            if (num % i == 0)
            {
                k++;
            }
        }
        if (k == 2)
        {
            Console.WriteLine("Entered Number is a Prime Number and the Largest Factor is {0}", num);
        }
        else
        {
            Console.WriteLine("Not a Prime Number");
        }
    }
}
class myclass
{
    public static void Main()
    {
        int num;
        Console.WriteLine("enter number");
        num = Convert.ToInt32(Console.ReadLine());
        a a1 = new a();
        a1.getdata(num);
       Console.Read();
    }
}

//C# Program to Reverse a Number & Check if it is a Palindrome
   
    using System;
    class program
    {
        public static void Main()
        {
            int num;
       
            Console.WriteLine("Enter an integer \n");
            num = Convert.ToInt32(Console.ReadLine());
            palindrome p = new palindrome();
            p.data(num);
            Console.Read();
        }
    }
    class palindrome
    {
        public void data(int num)
        {
            int temp, remainder, reverse = 0;
            temp = num;
            while (num > 0)
            {
                remainder = num % 10;
                reverse = reverse * 10 + remainder;
                num = num / 10;
            }
            Console.WriteLine("Given number is = {0}", temp);
            Console.WriteLine("Its reverse is  = {0}", reverse);
            if (temp == reverse)
                Console.WriteLine("Number is a palindrome \n");
            else
                Console.WriteLine("Number is not a palindrome \n");
        }
    }

//Write a program to calculate the distance travelled by reading speed and time.
using System;
class program
{
    public static void Main()
    {
        int speed, time;
        Console.WriteLine("Enter the Speed : ");
        speed = Convert.ToInt32(Console.ReadLine());
        Console.WriteLine("Enter the Time : ");
        time = Convert.ToInt32(Console.ReadLine());
        dist d = new dist();
        d.distance(speed, time);
        Console.Read();
    }
}
class dist
{
    public void distance(int speed,int time)
    {
        int distance;
        distance = speed * time;
        Console.WriteLine("Distance Travelled : " + distance);
    }
}

// C# Program to Get a Number and Display the Sum of the Digits
    using System;
    class Program
        {
           public static void Main()
            {
                int num;
                Console.WriteLine("Enter a Number : ");
                num = Convert.ToInt32(Console.ReadLine());
                sum s = new sum();
                s.get(num);
            }
        }
        class sum
        {
            public void get(int num)
            {
                int sum = 0, r;
                while (num != 0)
                {
                    r = num % 10;
                    num = num / 10;
                    sum = sum + r;
                }
                Console.WriteLine("Sum of Digits of the Number : " + sum);
                Console.ReadLine();
            }
        }

//Write a program to generate the Factorial of a Given Number.
using System;
class a
{
        public void getdata(int n)
        {
                int i;
                int fact=1;
                i=1;
                while(i<=n)
                {
                        fact=fact*i;
                        i++;
                }
                Console.WriteLine(fact);
        }
}
class b
{
        public static void Main()
        {
            int n;
            Console.WriteLine("enter number");
            n = Convert.ToInt32(Console.ReadLine());
                a a1=new a();
                a1.getdata(n);
                Console.Read();
        }
}

// C#  Program to Generate Fibonacci Series
    using System;
       class Program
        {
           public static void Main()
            {
                int count;
                Console.Write("Enter the Limit : ");
                count = Convert.ToInt32(Console.ReadLine());
                fib f = new fib();
                f.get(count);
                Console.Read();
            }
        }
        class fib
        {
            public void get(int count)
            {
                int i, f1 = 0, f2 = 1, f3 = 0;
                Console.WriteLine(f1);
                Console.WriteLine(f2);
                for (i = 0; i <= count; i++)
                {
                    f3 = f1 + f2;
                    Console.WriteLine(f3);
                    f1 = f2;
                    f2 = f3;
                }
            }
       }