{"published":"2020-02-01 13:14:48","version":"1.0","description":"https://yukicoder.me/problems/no/978 \u89e3\u8aac https://yukicoder.me/submissions/424701 \u6570\u5217\u81ea\u4f53\u306f\u4f5c\u6210\u3067\u304d\u308b\u306e\u3067\u3001\u4f5c\u6210\u3057\u3066\u3057\u307e\u304a\u3046\u3002 \u7b54\u3048\u3092\u898b\u3066\u307f\u308b\u3068\u7573\u307f\u8fbc\u307f\u8a08\u7b97\u3092\u3057\u3066\u7dcf\u548c\u307f\u305f\u3044\u306a\u611f\u3058\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u3060\u304c\u3001\u7573\u307f\u8fbc\u307f\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u5236\u7d04\u304c\u53b3\u3057\u3044\u3057\u3001\u2605\u3082\u8db3\u308a\u306a\u3044\u3002 \u306a\u306e\u3067\u3001\u548c\u3092\u3046\u307e\u304f\u4f7f\u3044\u306a\u304c\u3089\u8a08\u7b97\u3057\u3066\u3044\u3053\u3046\u3002 sm = a[1] + a[2] + ... + a[i] ans = a[1]\uff5ea[i]\u3067\u306e\u7b54\u3048 \u3053\u308c\u304c\u65e2\u306b\u8a08\u7b97\u3055\u308c\u3066\u3044\u308b\u3068\u3059\u308b\u3002 \u3053\u306e\u6642a[i+1]\u3092\u8a08\u7b97\u306e\u8003\u616e\u306b\u52a0\u3048\u305f\u3044\u3068\u304d\u306f\u3001sm\u306f\u7c21\u5358\u3002 sm += a[i + 1\u2026","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","url":"https://blog.hamayanhamayan.com/entry/2020/02/01/131448","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","type":"rich","author_name":"hamayanhamayan","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","title":"Fibonacci Convolution Easy [yukicoder 978]","width":"100%","blog_url":"https://blog.hamayanhamayan.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2020%2F02%2F01%2F131448\" title=\"Fibonacci Convolution Easy [yukicoder 978] - \u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","image_url":null,"categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"]}