| [ QuizWit ] in KIDS 글 쓴 이(By): guest (sol) <jupiter.kaist.ac> 날 짜 (Date): 2001년 12월 19일 수요일 오후 10시 13분 50초 제 목(Title): Re: can of balls When the number of balls in N. The expected number of times is (N-1)^2. This is the only thing that I know. I don't know how to solve it. |