Hi
Why I can't submit Avatar? I tried to submit .jpg, .bmp, .gif... All in 72x72 pixels... and .jpg and .gif were less then 6K as needed... Does it forum support avatars?
Hi! Can anybody explain me task 10648 (Chocolate Box)? I don't understand it while contest and now... For example, what means "n types of chocolate"? It is that we have N different chocolates? and what means "What is the probability that one or more boxes are empty?"... one or more??