Назовём левым путём последовательность клеток, в которой каждая следующая — соседняя слева или снизу с предыдущей, правым путём – то же, но клетка соседняя снизу или справа. Клетчатый квадрат n × n разбит на левые и правые пути. Докажите, что их хотя бы n.
Назовём левым путём последовательность клеток, в которой каждая следующая — соседняя слева или снизу с предыдущей, правым путём – то же, но клетка соседняя снизу или справа. Клетчатый квадрат n × n разбит на левые и правые пути. Докажите, что их хотя бы n.
What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." Telegram, which does little policing of its content, has also became a hub for Russian propaganda and misinformation. Many pro-Kremlin channels have become popular, alongside accounts of journalists and other independent observers. In addition, Telegram now supports the use of third-party streaming tools like OBS Studio and XSplit to broadcast live video, allowing users to add overlays and multi-screen layouts for a more professional look. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress.
from fr