{"id":1110,"date":"2018-04-17T20:04:46","date_gmt":"2018-04-17T12:04:46","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1110"},"modified":"2018-04-17T20:04:46","modified_gmt":"2018-04-17T12:04:46","slug":"%e8%a7%a3%e5%86%b3hash%e5%86%b2%e7%aa%81%e7%9a%84%e4%b8%89%e4%b8%aa%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1110","title":{"rendered":"\u89e3\u51b3hash\u51b2\u7a81\u7684\u4e09\u4e2a\u65b9\u6cd5"},"content":{"rendered":"<h1 class=\"postTitle\"><a id=\"cb_post_title_url\" class=\"postTitle2\" href=\"http:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html\">\u89e3\u51b3hash\u51b2\u7a81\u7684\u4e09\u4e2a\u65b9\u6cd5<\/a><\/h1>\n<div class=\"clear\"><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<div id=\"titleContent\">\n<div>\n<div><strong>\u76ee\u5f55<\/strong><\/div>\n<\/div>\n<ol>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_0\">\u5f00\u653e\u5b9a\u5740\u6cd5<\/a>\n<ol>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_0_1\">\u7ebf\u6027\u63a2\u6d4b\u518d\u6563\u5217<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_0_2\">\u4e8c\u6b21\u63a2\u6d4b\u518d\u6563\u5217<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_0_3\">\u4f2a\u968f\u673a\u63a2\u6d4b\u518d\u6563\u5217<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_1\">\u518d\u54c8\u5e0c\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_2\">\u94fe\u5730\u5740\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_3\">\u5efa\u7acb\u516c\u5171\u6ea2\u51fa\u533a<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_4\">\u4f18\u7f3a\u70b9<\/a>\n<ol>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_4_1\">\u5f00\u653e\u6563\u5217\uff08open hashing\uff09\/ \u62c9\u94fe\u6cd5\uff08\u9488\u5bf9\u6876\u94fe\u7ed3\u6784\uff09<\/a><\/li>\n<li><a href=\"https:\/\/www.cnblogs.com\/wuchaodzxx\/p\/7396599.html#H1_4_2\">\u5c01\u95ed\u6563\u5217\uff08closed hashing\uff09\/ \u5f00\u653e\u5b9a\u5740\u6cd5<\/a><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div>\n<p>\u901a\u8fc7\u6784\u9020\u6027\u80fd\u826f\u597d\u7684\u54c8\u5e0c\u51fd\u6570\uff0c\u53ef\u4ee5\u51cf\u5c11\u51b2\u7a81\uff0c\u4f46\u4e00\u822c\u4e0d\u53ef\u80fd\u5b8c\u5168\u907f\u514d\u51b2\u7a81\uff0c\u56e0\u6b64\u89e3\u51b3\u51b2\u7a81\u662f\u54c8\u5e0c\u6cd5\u7684\u53e6\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u3002\u521b\u5efa\u54c8\u5e0c\u8868\u548c\u67e5\u627e\u54c8\u5e0c\u8868\u90fd\u4f1a\u9047\u5230\u51b2\u7a81\uff0c\u4e24\u79cd\u60c5\u51b5\u4e0b\u89e3\u51b3\u51b2\u7a81\u7684\u65b9\u6cd5\u5e94\u8be5\u4e00\u81f4\u3002\u4e0b\u9762\u4ee5\u521b\u5efa\u54c8\u5e0c\u8868\u4e3a\u4f8b\uff0c\u8bf4\u660e\u89e3\u51b3\u51b2\u7a81\u7684\u65b9\u6cd5\u3002\u5e38\u7528\u7684\u89e3\u51b3\u51b2\u7a81\u65b9\u6cd5\u6709\u4ee5\u4e0b\u56db\u79cd\uff1a<\/p>\n<h1 id=\"H1_0\">\u5f00\u653e\u5b9a\u5740\u6cd5<\/h1>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u4e5f\u79f0\u518d\u6563\u5217\u6cd5\uff0c\u5176\u57fa\u672c\u601d\u60f3\u662f\uff1a\u5f53\u5173\u952e\u5b57<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\u7684\u54c8\u5e0c\u5730\u5740<span lang=\"EN-US\" xml:lang=\"EN-US\">p=H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09\u51fa\u73b0\u51b2\u7a81\u65f6\uff0c\u4ee5<span lang=\"EN-US\" xml:lang=\"EN-US\">p<\/span>\u4e3a\u57fa\u7840\uff0c\u4ea7\u751f\u53e6\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740<span lang=\"EN-US\" xml:lang=\"EN-US\">p1<\/span>\uff0c\u5982\u679c<span lang=\"EN-US\" xml:lang=\"EN-US\">p1<\/span>\u4ecd\u7136\u51b2\u7a81\uff0c\u518d\u4ee5<span lang=\"EN-US\" xml:lang=\"EN-US\">p<\/span>\u4e3a\u57fa\u7840\uff0c\u4ea7\u751f\u53e6\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740<span lang=\"EN-US\" xml:lang=\"EN-US\">p2<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">\u2026<\/span>\uff0c\u76f4\u5230\u627e\u51fa\u4e00\u4e2a\u4e0d\u51b2\u7a81\u7684\u54c8\u5e0c\u5730\u5740<span lang=\"EN-US\" xml:lang=\"EN-US\">pi\u00a0<\/span>\uff0c\u5c06\u76f8\u5e94\u5143\u7d20\u5b58\u5165\u5176\u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e00\u4e2a\u901a\u7528\u7684\u518d\u6563\u5217\u51fd\u6570\u5f62\u5f0f\uff1a<\/p>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">Hi=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">+d<sub>i<\/sub><\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% m\u00a0\u00a0 i=1<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">2<\/span>\uff0c\u2026\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">n<\/span><\/p>\n<p>\u5176\u4e2d<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09\u4e3a\u54c8\u5e0c\u51fd\u6570\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">m\u00a0<\/span>\u4e3a\u8868\u957f\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">d<sub>i<\/sub><\/span>\u79f0\u4e3a\u589e\u91cf\u5e8f\u5217\u3002\u589e\u91cf\u5e8f\u5217\u7684\u53d6\u503c\u65b9\u5f0f\u4e0d\u540c\uff0c\u76f8\u5e94\u7684\u518d\u6563\u5217\u65b9\u5f0f\u4e5f\u4e0d\u540c\u3002\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e09\u79cd\uff1a<\/p>\n<h2 id=\"H1_0_1\">\u7ebf\u6027\u63a2\u6d4b\u518d\u6563\u5217<\/h2>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">d<sub>i<\/sub>i=1<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">2<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">3<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">\u2026<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">m-1<\/span><\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u7279\u70b9\u662f\uff1a\u51b2\u7a81\u53d1\u751f\u65f6\uff0c\u987a\u5e8f\u67e5\u770b\u8868\u4e2d\u4e0b\u4e00\u5355\u5143\uff0c\u76f4\u5230\u627e\u51fa\u4e00\u4e2a\u7a7a\u5355\u5143\u6216\u67e5\u904d\u5168\u8868\u3002<\/p>\n<h2 id=\"H1_0_2\">\u4e8c\u6b21\u63a2\u6d4b\u518d\u6563\u5217<\/h2>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">d<sub>i<\/sub>=1<sup>2<\/sup><\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">-1<sup>2<\/sup><\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">2<sup>2<\/sup><\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">-2<sup>2<\/sup><\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">\u2026<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">k<sup>2<\/sup><\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">-k<sup>2<\/sup>\u00a0\u00a0\u00a0 ( k&lt;=m\/2 )<\/span><\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u7279\u70b9\u662f\uff1a\u51b2\u7a81\u53d1\u751f\u65f6\uff0c\u5728\u8868\u7684\u5de6\u53f3\u8fdb\u884c\u8df3\u8dc3\u5f0f\u63a2\u6d4b\uff0c\u6bd4\u8f83\u7075\u6d3b\u3002<\/p>\n<h2 id=\"H1_0_3\">\u4f2a\u968f\u673a\u63a2\u6d4b\u518d\u6563\u5217<\/h2>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">d<sub>i<\/sub>=<\/span>\u4f2a\u968f\u673a\u6570\u5e8f\u5217\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5177\u4f53\u5b9e\u73b0\u65f6\uff0c\u5e94\u5efa\u7acb\u4e00\u4e2a\u4f2a\u968f\u673a\u6570\u53d1\u751f\u5668\uff0c\uff08\u5982<span lang=\"EN-US\" xml:lang=\"EN-US\">i=(i+p) % m<\/span>\uff09\uff0c\u5e76\u7ed9\u5b9a\u4e00\u4e2a\u968f\u673a\u6570\u505a\u8d77\u70b9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5df2\u77e5\u54c8\u5e0c\u8868\u957f\u5ea6<span lang=\"EN-US\" xml:lang=\"EN-US\">m=11<\/span>\uff0c\u54c8\u5e0c\u51fd\u6570\u4e3a\uff1a<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">= key\u00a0 %\u00a0 11<\/span>\uff0c\u5219<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">47<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">=3<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">26<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">=4<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">60<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">=5<\/span>\uff0c\u5047\u8bbe\u4e0b\u4e00\u4e2a\u5173\u952e\u5b57\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">69<\/span>\uff0c\u5219<span lang=\"EN-US\" xml:lang=\"EN-US\">H<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">69<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">=3<\/span>\uff0c\u4e0e<span lang=\"EN-US\" xml:lang=\"EN-US\">47<\/span>\u51b2\u7a81\u3002<\/p>\n<p>\u5982\u679c\u7528\u7ebf\u6027\u63a2\u6d4b\u518d\u6563\u5217\u5904\u7406\u51b2\u7a81\uff0c\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H1=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 1<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 4<\/span>\uff0c\u4ecd\u7136\u51b2\u7a81\uff0c\u518d\u627e\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H2=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 2<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 5<\/span>\uff0c\u8fd8\u662f\u51b2\u7a81\uff0c\u7ee7\u7eed\u627e\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H3=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 3<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 6<\/span>\uff0c\u6b64\u65f6\u4e0d\u518d\u51b2\u7a81\uff0c\u5c06<span lang=\"EN-US\" xml:lang=\"EN-US\">69<\/span>\u586b\u5165<span lang=\"EN-US\" xml:lang=\"EN-US\">5<\/span>\u53f7\u5355\u5143\u3002<\/p>\n<p>\u5982\u679c\u7528\u4e8c\u6b21\u63a2\u6d4b\u518d\u6563\u5217\u5904\u7406\u51b2\u7a81\uff0c\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H1=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 1<sup>2<\/sup><\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 4<\/span>\uff0c\u4ecd\u7136\u51b2\u7a81\uff0c\u518d\u627e\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H2=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 &#8211; 1<sup>2<\/sup><\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 2<\/span>\uff0c\u6b64\u65f6\u4e0d\u518d\u51b2\u7a81\uff0c\u5c06<span lang=\"EN-US\" xml:lang=\"EN-US\">69<\/span>\u586b\u5165<span lang=\"EN-US\" xml:lang=\"EN-US\">2<\/span>\u53f7\u5355\u5143\u3002<\/p>\n<p>\u5982\u679c\u7528\u4f2a\u968f\u673a\u63a2\u6d4b\u518d\u6563\u5217\u5904\u7406\u51b2\u7a81\uff0c\u4e14\u4f2a\u968f\u673a\u6570\u5e8f\u5217\u4e3a\uff1a<span lang=\"EN-US\" xml:lang=\"EN-US\">2<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">5<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">9<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">\u2026\u2026..<\/span>\uff0c\u5219\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H1=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 2<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 5<\/span>\uff0c\u4ecd\u7136\u51b2\u7a81\uff0c\u518d\u627e\u4e0b\u4e00\u4e2a\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">H2=<\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">3 + 5<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">% 11 = 8<\/span>\uff0c\u6b64\u65f6\u4e0d\u518d\u51b2\u7a81\uff0c\u5c06<span lang=\"EN-US\" xml:lang=\"EN-US\">69<\/span>\u586b\u5165<span lang=\"EN-US\" xml:lang=\"EN-US\">8<\/span>\u53f7\u5355\u5143\u3002<\/p>\n<h1 id=\"H1_1\">\u518d\u54c8\u5e0c\u6cd5<\/h1>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u662f\u540c\u65f6\u6784\u9020\u591a\u4e2a\u4e0d\u540c\u7684\u54c8\u5e0c\u51fd\u6570\uff1a<\/p>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">H<sub>i<\/sub>=RH<sub>1<\/sub><\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09<span lang=\"EN-US\" xml:lang=\"EN-US\">\u00a0 i=1<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">2<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">\u2026<\/span>\uff0c<span lang=\"EN-US\" xml:lang=\"EN-US\">k<\/span><\/p>\n<p>\u5f53\u54c8\u5e0c\u5730\u5740<span lang=\"EN-US\" xml:lang=\"EN-US\">H<sub>i<\/sub>=RH<sub>1<\/sub><\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09\u53d1\u751f\u51b2\u7a81\u65f6\uff0c\u518d\u8ba1\u7b97<span lang=\"EN-US\" xml:lang=\"EN-US\">H<sub>i<\/sub>=RH<sub>2<\/sub><\/span>\uff08<span lang=\"EN-US\" xml:lang=\"EN-US\">key<\/span>\uff09\u2026\u2026\uff0c\u76f4\u5230\u51b2\u7a81\u4e0d\u518d\u4ea7\u751f\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u6613\u4ea7\u751f\u805a\u96c6\uff0c\u4f46\u589e\u52a0\u4e86\u8ba1\u7b97\u65f6\u95f4\u3002<\/p>\n<h1 id=\"H1_2\">\u94fe\u5730\u5740\u6cd5<\/h1>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u57fa\u672c\u601d\u60f3\u662f\u5c06\u6240\u6709\u54c8\u5e0c\u5730\u5740\u4e3a<span lang=\"EN-US\" xml:lang=\"EN-US\">i<\/span>\u7684\u5143\u7d20\u6784\u6210\u4e00\u4e2a\u79f0\u4e3a\u540c\u4e49\u8bcd\u94fe\u7684\u5355\u94fe\u8868\uff0c\u5e76\u5c06\u5355\u94fe\u8868\u7684\u5934\u6307\u9488\u5b58\u5728\u54c8\u5e0c\u8868\u7684\u7b2c<span lang=\"EN-US\" xml:lang=\"EN-US\">i<\/span>\u4e2a\u5355\u5143\u4e2d\uff0c\u56e0\u800c\u67e5\u627e\u3001\u63d2\u5165\u548c\u5220\u9664\u4e3b\u8981\u5728\u540c\u4e49\u8bcd\u94fe\u4e2d\u8fdb\u884c\u3002\u94fe\u5730\u5740\u6cd5\u9002\u7528\u4e8e\u7ecf\u5e38\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u7684\u60c5\u51b5\u3002<\/p>\n<p><span lang=\"EN-US\" xml:lang=\"EN-US\">\u00a0<\/span><\/p>\n<h1 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