ChallengeMedium
Challenge · Medium problem
A sequence of distinct real numbers is written in a uniformly random order. An entry is a record if it is larger than every entry before it. If the expected number of records is in lowest terms, find .
A sequence of distinct real numbers is written in a uniformly random order. An entry is a record if it is larger than every entry before it. If the expected number of records is in lowest terms, find .