{"version":"1.0","title":"","description":"STOC 2010\u306eY. Dodis, M. P\u0103tra\u015fcu, M. Thorup\u306e\u304c\u9762\u767d\u305d\u3046\u3060\u3068\u306f\u601d\u308f\u3093\u304b\u306d\u3002 A[1...n] in {0,...,9}^n\u306a\u308b\u30d9\u30af\u30c8\u30eb\u3092\u8003\u3048\u308b\u300210\u9032n\u6841\u306e\u6574\u6570\u3067\u3042\u308b\u3002\u8a08\u7b97\u6a5f\u4e0a\uff08PRAM\u3067\u30e2\u30c7\u30eb\u5316\u3057\u3066\u308b\uff09\u3067\u3001\u5404\u6841 A[i]\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u6a5f\u80fd\u3092\u9ad8\u901f\u5316\u3057\u3064\u3064\u4fdd\u5b58\u5bb9\u91cf\u3092\u306a\u308b\u3079\u304f\u5c0f\u3055\u304f\u3057\u305f\u3044\u3002\u3055\u3066\u3069\u3046\u3059\u308b? \u7d20\u76f4\u306b2\u9032\u8868\u8a18\u3057\u305f\u5834\u5408\u306f\u4fdd\u5b58\u5bb9\u91cf\u306f\u3068\u306a\u308b\u304c\u3001\u8aad\u307f\u66f8\u304d\u6a5f\u80fd\u306bO(n)\u639b\u304b\u308b\u3002 \u30cf\u30d5\u30de\u30f3\u7b26\u53f7\u5316\u3057\u305f\u5834\u5408\u306f\uff08\u3088\u3046\u3059\u308b\u306b\u5404A[i]\u3092\u305d\u308c\u305e\u308c2\u9032\u6570\u3067\u8868\u3057\u3066\u4fdd\u5b58\uff09\u3001\u4fdd\u5b58\u5bb9\u91cf\u304c4n\u3001\u8aad\u307f\u66f8\u304d\u6a5f\u80fd\u306fO(1)\u3068\u901f\u3044\u3002 \u3044\u3044\u3068\u3053\u3069\u308a\u3057\u305f\u306e\u304c\u4eca\u56de\u306e\u8a71\u3002\u3053\u30535\u5e74\u4f4d\u305a\u3063\u3068\u3042\u308b\u6d41\u308c\u3067\u2026","url":"https://186.hatenablog.com/entry/20100612","type":"rich","provider_name":"Hatena Blog","categories":[],"author_name":"smoking186","author_url":"https://blog.hatena.ne.jp/smoking186/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F186.hatenablog.com%2Fentry%2F20100612\" title=\" - 186 @ hatenablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://186.hatenablog.com/","width":"100%","blog_title":"186 @ hatenablog","height":"190","provider_url":"https://hatena.blog","image_url":null,"published":"2010-06-12 00:00:00"}