shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ STL CPP vector自体にはfindがないのでアルゴリズムを使う vector<long> v_list; ･･･ v_list.push_back(100); v_list.push_back(200); v_list.push_back(300); vector< long >::iterator cIter = find( v_list.begin(),v_list.end() , 200 ); if( cIter != v_list.end() ){ printf("200は存在してます"); } ネタ元 http://www.kab-studio.biz/Programing/Codian/… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F20100519%2Fp3" title="vectorでの検索(find)の仕方 - shikaku&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> http://www18.a8.net/0.gif?a8mat=1NYM9B+25ZUKI+5WS+C1DUQ Hatena Blog https://hatena.blog 2010-05-19 00:00:01 rich https://blog.systemjp.net/entry/20100519/p3 1.0 100%