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https://bravikov.wordpress.com/2017/10/18/%d0%be%d0%b1%d1%80%d0%b0%d0%b1%d0%be%d1%82%d0%ba%d0%b0-%d0%be%d1%88%d0%b8%d0%b1%d0%be%d0%ba-new-cpp/
Обработка ошибок при выделение памяти с помощью new в C++