On SharePoint 2013 you can not add the Web Parts to the master page the same way of 2010. Please use the Design Manager -> Snippet Gallery. In short: You must wrap the Register tag with: <!--SPM: register tag --> Like this: <!--SPM:<%@Regis…
three version are provided. disjoint set, linked list version with weighted-union heuristic, rooted tree version with rank by union and path compression, and a minor but substantial optimization for path compression version FindSet to avoid redundanc…