{"width":"100%","published":"2016-08-14 10:19:19","url":"https://secret-garden.hatenablog.com/entry/2016/08/14/101919","type":"rich","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/osyo-manga/","description":"\u524d\u56de\u306f\u81ea\u5206\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u6c42\u3081\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082 <bitset> \u4f7f\u3048\u3070\u7c21\u5358\u306b\u6c42\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002 #include <bitset> #include <iostream> int main(){ std::cout << std::bitset<32>(100).count() << std::endl; std::cout << std::bitset<32>(9859712).count() << std::endl; std::cout << std::bitset<32>(0b10111110).count() << std::endl; return 0; } /* out\u2026","version":"1.0","image_url":null,"title":"C++ \u3067\u30cf\u30df\u30f3\u30b0\u91cd\u307f\u3092\u6c42\u3081\u308b \u305d\u306e2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2016%2F08%2F14%2F101919\" title=\"C++ \u3067\u30cf\u30df\u30f3\u30b0\u91cd\u307f\u3092\u6c42\u3081\u308b \u305d\u306e2 - Secret Garden(Instrumental)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"osyo-manga","height":"190","provider_name":"Hatena Blog","blog_title":"Secret Garden(Instrumental)","categories":["C++"],"blog_url":"https://secret-garden.hatenablog.com/"}