I read that you can buy highly-discounted train tickets for travel in Norway online through the national rail website (nsb.no)
However, I can't seem to get an answer from their customer service on reserved seating. It appears that if you buy a minipris ticket, the seats are not reserved. Does that mean you are not guaranteed a seat on the train? Could I buy a supplement when I get to Norway to reserve a particular seat to go along with the minipris ticket?
Are there non-smoking compartments on Norwegian trains?