<a href="https://youtube.com/live/AOKvMCwInsM?feature=share" target="_blank" rel="noopener"><img src ="https://img.atcoder.jp/img/awtf2024live_english.png" class="img-responsive center-block"></a> [How to get an account / participate in contests?](http://atcoder.jp/posts/2) [AtCoder's Contest Format](http://atcoder.jp/posts/1) - [AtCoder's Testcases](https://www.dropbox.com/sh/nx3tnilzqz7df8a/AAAY