Is it illegal to take part in a video contest and bring other people's videos?

Article 47 of the Copyright Law

Anyone who commits one of the following acts of infringement shall, according to the circumstances, bear civil liabilities such as stopping the infringement, eliminating the influence, apologizing and compensating for the losses:

(1) publishing his work without the permission of the copyright owner; (2) publishing a work created in cooperation with others as a work created by oneself without the permission of a co-author; (three) did not participate in the creation, in order to seek personal fame and fortune, signed other people's works; (4) distorting or tampering with other people's works; (5) Plagiarizing other people's works; (6) Using a work by means of exhibition, filming or adaptation, translation or annotation without the permission of the copyright owner. Unless otherwise provided for in this law; (seven) the use of another person's work, which should be paid but not paid; (8) Renting works or audio-visual products without the permission of the copyright owner or copyright-related obligee of film works and works created by similar film production methods, computer software and audio-visual products, except as otherwise provided by this Law; (9) Using the layout design of books and periodicals published by publishers without their permission; (10) Live broadcast or public dissemination of a live performance or recording of a performance without the permission of the performer; (eleven) other acts of infringement of copyright and copyright-related rights and interests.