{"image_url":null,"width":"100%","provider_url":"https://hatena.blog","published":"2023-06-05 02:47:13","title":"vec<u32>\u306e\u7dcf\u548c\u306fsum<u64>()\u3067\u3082u32\u306e\u6700\u5927\u5024\u3067\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3059\u308b","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306b\u306a\u308a\u305f\u3044\u3002","url":"https://flash.hatenablog.com/entry/2023/06/05/024713","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fflash.hatenablog.com%2Fentry%2F2023%2F06%2F05%2F024713\" title=\"vec&lt;u32&gt;\u306e\u7dcf\u548c\u306fsum&lt;u64&gt;()\u3067\u3082u32\u306e\u6700\u5927\u5024\u3067\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3059\u308b - \u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306b\u306a\u308a\u305f\u3044\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["AtCoder","\u4eca\u65e5\u306e\u30d0\u30b0"],"blog_url":"https://flash.hatenablog.com/","height":"190","version":"1.0","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/flashingwind/","author_name":"flashingwind","description":"\u8981\u7d20\u304cu32\u578b\u306evec\u306e\u7dcf\u548c\u3092\u6c42\u3081\u308b\u969b\u3001\u3044\u3064\u3082\u306ffor\u5f0f\u3092\u4f7f\u3044\u3001sum()\u3092\u4f7f\u308f\u306a\u3044\u306e\u3060\u304c\u3001\u3061\u3087\u3063\u3068\u304b\u3063\u3053\u3064\u3051\u3066\u4f7f\u3063\u3066\u307f\u305f\u3089\u5931\u6557\u3057\u305f\u3068\u3044\u3046\u8a71\u3067\u3059\u3002 \u548c\u3092\u53d6\u308b\u3068\u304d\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3059\u308b\u3068\u3044\u3046\u306e\u306f\u3088\u304f\u3042\u308b\u306e\u3060\u304c\u3001sum()\u306b\u3092\u3064\u3051\u3066\u3082\u30c0\u30e1\u3060\u3063\u305f\u3001\u7d50\u679c\u3092\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u3060\u3051\u3089\u3057\u3044\u3002\u4eca\u65e5\u306f\u3053\u308c\u3067\u30cf\u30de\u3063\u305f\u3002 \u305d\u3082\u305d\u3082\u3001N=109\u3001A[i]=109 (0\u2266i<N)\u307f\u305f\u3044\u306a\u3001\u3088\u304f\u3042\u308b\u8a2d\u5b9a\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3042\u308c\u306f\u7b26\u53f7\u306a\u305732bit\u6574\u6570\u578b(unsigned int/u32)\u3067\u8a08\u7b97\u3059\u308b\u3068\u6841\u3042\u3075\u308c\u3059\u308b\u3053\u3068\u3092\u72d9\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u4eca\u56de\u306e\u8a08\u7b97\u306e\u5834\u5408\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u898b\u7a4d\u3082\u308b\u3068\u300132bit\u3067\u306f\u8db3\u308a\u306a\u3044\u5024\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u6700\u5f8c\u306e\u2026"}