Is lunchtime contest rated?If yes,how much time we usually wait for rating update,sorry I’m new on codechef.
yes it is rated.
Ratings are usually updated within 1-10 working days.
Sometimes not 
Is lunchtime contest rated?If yes,how much time we usually wait for rating update,sorry I’m new on codechef.
yes it is rated.
Ratings are usually updated within 1-10 working days.
Sometimes not