xrekkusu https://blog.hatena.ne.jp/xrekkusu/ バランスを取りたい https://xrekkusu.hatenablog.jp/ CTF Hi, we have a short survey with 50 questions. You can get a flag as award once you finished it. $ nc 104.197.7.111 13135 According to the description, we can get flag after solving 50 questions. It seems easy, isn't it? First 10 are questions judging the answer is integer or not.Then, problems chang… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxrekkusu.hatenablog.jp%2Fentry%2F2015%2F03%2F24%2F230921" title="BCTF 2015 experiment (English version) - バランスを取りたい" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2015-03-24 23:09:21 rich https://xrekkusu.hatenablog.jp/entry/2015/03/24/230921 1.0 100%