{"blog_title":"JunKobayashi's Diary","image_url":null,"provider_url":"https://hatena.blog","url":"https://junkobayashi.hatenablog.com/entry/2026/05/31/203559","description":"ABC460 E - x + y \u2261 x + y \u4e0a\u8a18\u306e\u554f\u984c\u3092\u672c\u756aAC\u5931\u6557\u3057\u305f\u3053\u3068\u3092\u53d7\u3051\u3001\u5408\u540c\u5f0f\u306e\u57fa\u672c\u306b\u7acb\u3061\u8fd4\u308b\u3053\u3068\u3092\u6c7a\u610f\u3002\\[ab \\equiv ac \\pmod M \\tag{1} \\label{godokihon} \\]\u304c\u6210\u308a\u7acb\u3063\u3066\u3044\u308b\u6642\u3001\\[b \\equiv c \\pmod M\\]\u3082\u6210\u308a\u7acb\u3064\u3068\u3044\u3046\u4e3b\u5f35\u306f\u4e00\u822c\u306b\u306f\u8aa4\u308a\u3067\u3042\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u3060\u3051\u3092\u6a5f\u68b0\u7684\u306b\u6697\u8a18\u3057\u305f\u3060\u3051\u3067\u7d42\u308f\u3089\u305b\u3001\u672c\u8cea\u306b\u4e00\u5207\u8e0f\u307f\u8fbc\u3093\u3067\u3044\u306a\u304b\u3063\u305f\u306e\u304c\u9593\u9055\u3044\u306a\u304f\u6557\u56e0\u306a\u306e\u3067\u3082\u3046\u4e8c\u5ea6\u3068\u540c\u3058\u8f4d\u3092\u8e0f\u307e\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002 \u6574\u6570\\(x,y\\)\u306b\u3064\u3044\u3066\u3001\\(y\\)\u306e\u6841\u6570\u3092\\(d\\)\u3068\u3059\u308b\u3068\\[\\mathrm{concat}(x,y) = x \\time\u2026","author_url":"https://blog.hatena.ne.jp/JunKobayashi/","height":"190","categories":["\u57fa\u790e\u304b\u3089\u5fb9\u5e95","\u5408\u540c\u5f0f","ABC\u672c\u756a\u3067\u6557\u5317\u3057\u305f\u554f\u984c","ABC\u306eE\u554f\u984c"],"blog_url":"https://junkobayashi.hatenablog.com/","type":"rich","author_name":"JunKobayashi","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjunkobayashi.hatenablog.com%2Fentry%2F2026%2F05%2F31%2F203559\" title=\"\u5408\u540c\u5f0f\u306e\u4e21\u8fba\u3092\u5272\u308b\u6642\u306e\u6ce8\u610f\u4e8b\u9805 - JunKobayashi&#39;s Diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2026-05-31 20:35:59","width":"100%","version":"1.0","title":"\u5408\u540c\u5f0f\u306e\u4e21\u8fba\u3092\u5272\u308b\u6642\u306e\u6ce8\u610f\u4e8b\u9805","provider_name":"Hatena Blog"}