{"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"sugarknri","version":"1.0","url":"https://sugarknri.hatenablog.com/entry/2016/06/18/013337","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsugarknri.hatenablog.com%2Fentry%2F2016%2F06%2F18%2F013337\" title=\"yukicoder No.378 \u540d\u58f0\u5024\u3092\u7a3c\u3054\u3046 - \u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u554f\u984c\u306f\u3053\u3061\u3089 No.378 \u540d\u58f0\u5024\u3092\u7a3c\u3054\u3046 - yukicoder\u30b9\u30ad\u30eb\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306bk\u56de\u76ee\u306e\u30af\u30ea\u30a2\u3067\u5f97\u3089\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3092a[k]\u3068\u3059\u308b\u3002 a[k+1]\u2266a[k]/2\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u5e30\u7d0d\u7684\u306ba[k]\u2266N/2^(k-1)\u3068\u308f\u304b\u308b\u3002 \u3088\u3063\u3066\u3068\u306a\u308b\u3002 \u3053\u308c\u3088\u308a\u5e30\u7d0d\u7684\u306b\u30011\u56de\u76ee\u306b\u30b9\u30ad\u30eb\u3092\u4f7f\u3046\u306e\u304c\u6700\u9069\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002 \u3042\u3068\u306f\u901a\u5e38\u6642\u3092\u5b9f\u969b\u306b\u8a08\u7b97\u3057\u3066\u6bd4\u8f03\u3059\u308c\u3070\u826f\u3044 long n,m,s; int main(){ scanf(\"%ld\",&n); m=2*n; while(n){ s+=n; n/=2; } printf(\"%ld\",m-s); return 0; } \u3068\u3053\u308d\u3067\u4e0a\u3067\u6c42\u3081\u305f\u4e0d\u7b49\u5f0f\u3092\u3088\u304f\u307f\u308b\u3068\u3001\u2026","categories":[],"author_url":"https://blog.hatena.ne.jp/sugarknri/","blog_title":"\u30e1\u30e2","image_url":"http://chart.apis.google.com/chart?cht=tx&chl=%5Csum_%7Bk%3D1%7D%5E%5Cinfty%20a_k%5Cleq%5Csum_%7Bk%3D1%7D%5E%5Cinfty%20%5Cfrac%7BN%7D%7B2%5E%7Bk-1%7D%7D%3D2N","title":"yukicoder No.378 \u540d\u58f0\u5024\u3092\u7a3c\u3054\u3046","width":"100%","published":"2016-06-18 01:33:37","blog_url":"https://sugarknri.hatenablog.com/","height":"190","type":"rich"}