C#

say i hard many people like started in interview face question like to find out palindrome word writing program. so is there any web site which show basic question asked for various algo during interview.
i like similar question like palindrome word or number which many people learn during programming with c and c++ for developing logic sense.
anyone can redirect me to those web site from where i can acquire many also like  palindrome which people learn during programming and also asked during interview. thanks

//mouse event and clicking
        [DllImport("User32.dll")]
        public static extern void mouse_event(MouseEventType dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);
 
        // API which moves the mouse
        [DllImport("User32.dll")]
        public static extern int SetCursorPos(int x, int y);
 
 
        public enum MouseEventType : int
        {
            LeftDown = 0x02 , LeftUp= 0x04, RightDown= 0x08, RightUp= 0x10
 
        }

private void button1_Click(object sender, EventArgs e)
{
    SetCursorPos(300, 200);
    mouse_event(MouseEventType.LeftDown, Cursor.Position.X, Cursor.Position.Y, 20, 20);
    mouse_event(MouseEventType.LeftUp, Cursor.Position.X, Cursor.Position.Y, 20, 20);
}