StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

How to find out the sum of products of all combinations of first n natural numbers taken r at a time

Author Votes Δ
Lutz Lehmann 2 +2.36
Robert Dodier 1 -2.36
Last visited: May 4, 2016, 10:15:38 AM