Что вы подразумеваете под массивом и какие типы массивов существуют в C#?
Библиотека собеса по С#
BY Библиотека собеса по C# | вопросы с собеседований
Telegram has made it easier for its users to communicate, as it has introduced a feature that allows more than 200,000 users in a group chat. However, if the users in a group chat move past 200,000, it changes into "Broadcast Group", but the feature comes with a restriction. Groups with close to 200k members can be converted to a Broadcast Group that allows unlimited members. Only admins can post in Broadcast Groups, but everyone can read along and participate in group Voice Chats," Telegram added.
Библиотека собеса по C | вопросы с собеседований from hk