{"width":"100%","author_name":"noko_htn","title":"\u3057\u3083\u304f\u3068\u308a\u6cd5\u3092\u5fa9\u7fd2\u3057\u3066\u307f\u305f(Python) ","categories":["\u7af6\u30d7\u30ed"],"published":"2020-04-12 16:03:43","provider_name":"Hatena Blog","blog_title":"noko\u306e\u30d6\u30ed\u30b0","url":"https://noko-htn.hatenadiary.com/entry/2020/04/12/160343","version":"1.0","image_url":null,"author_url":"https://blog.hatena.ne.jp/noko_htn/","description":"\u306f\u3058\u3081\u306b \u3057\u3083\u304f\u3068\u308a\u6cd5\u306b\u3064\u3044\u3066\u5fa9\u7fd2\u3057\u3066\u307f\u307e\u3057\u305f \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u6982\u8981 \u3057\u3083\u304f\u3068\u308a\u6cd5 (\u5c3a\u53d6\u308a\u6cd5) \u306e\u89e3\u8aac\u3068\u3001\u305d\u308c\u3092\u7528\u3044\u308b\u554f\u984c\u306e\u307e\u3068\u3081 \u82f1\u8a9e\u3067\u3044\u3046\u3068two pointers\u3089\u3057\u3044 O(n2) \u3092O(n)\u306b\u3059\u308b\u30c6\u30af\u30cb\u30c3\u30af\u306e1\u3064\u3067\u3042\u308b\u3057\u3083\u304f\u3068\u308a\u6cd5 \u300c\u9023\u7d9a\u3059\u308b\u90e8\u5206\u5217\u300d\u3067\u4f7f\u3046 \u300c\u6761\u4ef6\u300d\u3092\u6e80\u305f\u3059\u533a\u9593 (\u9023\u7d9a\u3059\u308b\u90e8\u5206\u5217) \u306e\u3046\u3061\u3001\u6700\u5c0f\u306e\u9577\u3055\u3092\u6c42\u3081\u3088 \u300c\u6761\u4ef6\u300d\u3092\u6e80\u305f\u3059\u533a\u9593 (\u9023\u7d9a\u3059\u308b\u90e8\u5206\u5217) \u306e\u3046\u3061\u3001\u6700\u5927\u306e\u9577\u3055\u3092\u6c42\u3081\u3088 \u300c\u6761\u4ef6\u300d\u3092\u6e80\u305f\u3059\u533a\u9593 (\u9023\u7d9a\u3059\u308b\u90e8\u5206\u5217) \u3092\u6570\u3048\u4e0a\u3052\u3088 \u611a\u76f4\u306b\u5168\u63a2\u7d22\u3092\u3057\u3088\u3046\u3068\u601d\u3046\u3068\u3001n(n+1)/2n\u500b\u306e\u533a\u9593\u304c\u3042\u308b (\u5f8c\u8ff0) \u305f\u3081 O(n2)\u306e\u8a08\u7b97\u91cf\u3092\u8981\u3057\u307e\u3059\u3002\u305d\u308c\u3092\u9bae\u3084\u304b\u306b O(n)\u306b\u6539\u5584\u2026","height":"190","blog_url":"https://noko-htn.hatenadiary.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnoko-htn.hatenadiary.com%2Fentry%2F2020%2F04%2F12%2F160343\" title=\"\u3057\u3083\u304f\u3068\u308a\u6cd5\u3092\u5fa9\u7fd2\u3057\u3066\u307f\u305f(Python)  - noko\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","type":"rich"}