You must be logged in to view and edit your teams

1 - Here you can create any number of teams with at most 3 members in each team (you are member by default in any team you create).
2 - You can add other members for any team which you are member in it (the other user must approve it).
3 - You can register and participate in any contest using one of your teams, and when any of the team members makes a submission using his account the submission will be added for the team in the contest standings.