Тестовое задание

Is WinterChallenge inefficient?

(data are non-applicable in reality)

Consider a typical WinterChallenge participant gaining the following utilities for their WiC experience:

+5 for participation

+4 for cooperation with 4 teammates

+0.01 x i for experience exchange with i more participants in the WiC group chat

–3 for having to download and get familiar with a new messenger app

As you might know, we use three different communication channels: Telegram, WhatsApp, and WeChat; having 400, 150, and 300 users respectively.

Which of the following policies would maximize the total utility of the participants?

(A participant may choose to use an app or not, depending on his/her personal utility at that moment of the announcement).