【Important Notice】 Please beware of fake sites impersonating AtCoder

Thank you for always participating in AtCoder. We have currently identified the existence of suspicious websites that have copied AtCoder's information. These have been published by third parties without our company's permission and are not associated with us in any way. Please be cautious and do not log in to these sites. If you have already logged in, please change your password immediately. ### Confirmed Suspicious Domains <img src="https://img.atcoder.jp/img/nisesaito240709.png" class="img-responsive center-block" style="max-width: 100%;"> Note: There may be other suspicious websites in addition to those listed above. Note: The domains are displayed as images to prevent accidental access. ### Contact Information If you experience any issues, such as being unable to log in despite using correct information, please contact us [here](https://atcoder.zendesk.com/hc/ja/requests/new) with the title "【Regarding Suspicious Website】" in your inquiry.