static void Main()
{
Console.WriteLine("Please enter your username");
string usrname = Console.ReadLine();
while (usrname != username)
{
Console.WriteLine("Incorrect username, please try again.");
Console.WriteLine("Please enter your username");
string usrname = Console.ReadLine();
}
if (usrname == username)
{
Console.WriteLine("Authorized");
}
Console.WriteLinne("Now Please enter your password");
string password = Console.ReadLine();
while (password != password)
{
Cosole.WriteLine("Incorrect password, please try again.");
Console.WriteLine("Please enter your Password");
string password = Console.ReadLine();
}
if (password == password)
{
Console.WriteLine("You are in!!);
}
if (usrname == username && password == password)
{
Console.WriteLine("Hello, welcome to the prgram");
}
else
{
break;
}
//To terminatethe program
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}
static void Main(string[] args)
{
int i = 1;
while (i <= 10)
{
Console.WriteLine(i);
i++;
}
// for ( (1) int i = 1; (2, 6)i <= 10; (5) i++ )
// {
// (3)
// (4)
// ...
// }
for (int i = 1; i <= 10; i++)
{
Console.WriteLine(i);
}
int a = Convert.ToInt32(Console.ReadLine());
int atz = 1;
for (int i = 2; i <= a; i++)
{
atz = atz * i;
}
Console.WriteLine(atz);
int sum = 0;
for (int i = 1; i <= 100; i++)
{
sum = sum + i;
}
Cosole.WriteLine(sum);
/*
* for ([1] int i = 1; [2] i <= 5; i++)
* {
* [3]
* for ([4] int j = 1; [5, 8, 11] j <= i; [7,10] j++)
* {
* [6,9] Console.Write( j );
* }
* ...
* Console.WriteLine();
*
* //Console.WriteLine( i );
*
* }
*/
for (int i = 5; i <= 5; i++)
{
for (int j = 1; j <= i; j++)
{
Console.Write(j);
}
Console.WriteLine();
//Console.WriteLine( i );
}
//int i = 5;
Console.WriteLine("Select your option:");
Console.WriteLine("1. Add");
Console.WriteLine("2. Subtract");
Console.WriteLine("3. Multiply");
Console.WriteLine("4. Divide");
Console.WriteLine("5. Exit");
int opt = Convert.ToInt32(Console.ReadLine());
while (opt != 5)
{
Console.WriteLine("Please enter a:");
int a = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Please enter b:");
int b = Convert.ToInt32(Console.ReadLine());
if (opt == 1)
{
Console.WriteLine(a + b);
}
else if (opt == 2)
{
Console.WriteLine(a - b);
}
else if (opt == 3)
{
Console.WriteLine(a * b);
}
else if (opt == 4)
{
Console.WriteLine(a / b);
}
else
{
Console.WriteLine("Wrong option!");
}
Console.WriteLine("Select your option:");
Console.WriteLine("1. Add");
Console.WriteLine("2. Subtract");
Console.WriteLine("3. Multiply");
Console.WriteLine("4. Divide");
Console.WriteLine("5. Exit");
opt = Convert.ToInt32(Console.ReadLine());
}
}