{"id":1591,"date":"2019-08-12T02:13:07","date_gmt":"2019-08-11T18:13:07","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=1591"},"modified":"2019-08-12T02:36:16","modified_gmt":"2019-08-11T18:36:16","slug":"google-code-jam-2019-world-finals","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/","title":{"rendered":"Google Code Jam 2019 World Finals"},"content":{"rendered":"<h1>Google Code Jam 2019 World Finals<\/h1>\n<p>\u4eca\u5e74\u7684 Code Jam \u7ed3\u675f\u4e86\uff0c\u4e00\u4e0d\u7559\u795e Tourist <a href=\"https:\/\/twitter.com\/googlecodejam\/status\/1160041230358597632\">\u53c8^6 \u593a\u51a0\u4e86<\/a>\u3002\u3002\u3002<br \/>\n\u5148\u6765\u770b\u4e00\u4e0b Final \u7684\u9898\u76ee\u5427\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/codingcompetitions.withgoogle.com\/codejam\/round\/0000000000051708\">\u9898\u76ee<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=biyvpvx9I7E\">\u76f4\u64ad<\/a><\/li>\n<\/ul>\n<h2>Board Meeting<\/h2>\n<ul>\n<li><a href=\"https:\/\/youtu.be\/biyvpvx9I7E?t=2683\">Livestream<\/a><\/li>\n<\/ul>\n<h3>Brief Description<\/h3>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56.png\"><img decoding=\"async\" data-attachment-id=\"1592\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%881-25-56\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56.png\" data-orig-size=\"1708,964\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53481.25.56\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-300x169.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-1024x578.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56.png\" alt=\"\" width=\"1708\" class=\"aligncenter size-full wp-image-1592\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56.png 1708w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-300x169.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-768x433.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-1024x578.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.25.56-500x282.png 500w\" sizes=\"(max-width: 1708px) 100vw, 1708px\" \/><\/a><\/p>\n<p>\u4ea4\u4e92\u9898\u3002\u7ed9\u5b9a\u4e00\u4e2a\u65e0\u9650\u5927\u7684\u68cb\u76d8\uff0c\u4e0a\u9762\u6446\u653e\u4e86\u81f3\u591a n \u4e2a\u56fd\u738b\u3002\u51c6\u5907\u9636\u6bb5\uff0c\u4f60\u53ef\u4ee5\u8fdb\u884c\u8be2\u95ee\u81f3\u591a r \u6b21\uff0c\u6bcf\u6b21\u8be2\u95ee\u4e00\u4e2a\u5750\u6807\uff0c\u7cfb\u7edf\u8fd4\u56de\u6240\u6709\u56fd\u738b\u8ddd\u79bb\u8fd9\u4e2a\u5750\u6807\u7684\u8ddd\u79bb\u548c\u3002\u4e4b\u540e\uff0c\u8be2\u95ee\u9636\u6bb5\u89d2\u8272\u4e92\u6362\uff0c\u7cfb\u7edf\u4f1a\u5411\u4f60\u8be2\u95ee\u81f3\u591a r \u6b21\uff0c\u6bcf\u6b21\u8be2\u95ee\u4e00\u4e2a\u5750\u6807\uff0c\u4f60\u9700\u8981\u8fd4\u56de\u6240\u6709\u56fd\u738b\u8ddd\u79bb\u8fd9\u4e2a\u5750\u6807\u7684\u8ddd\u79bb\u548c\u3002<\/p>\n<p>\uff08\u6bcf\u4e2a\u56fd\u738b\u7684\u5750\u6807\u7edd\u5bf9\u503c\u4e0d\u8d85\u8fc7 m\uff0c\u8be2\u95ee\u7684\u5750\u6807\u7edd\u5bf9\u503c\u4e0d\u8d85\u8fc7 10m)<br \/>\n\uff08n &lt;= 10, m = 1e6\uff0cr = 1000\uff09<br \/>\n\uff08\u5c0f\u6570\u636e\u4e2d\uff0cn = 1\uff09<\/p>\n<h3>Idea<\/h3>\n<p>\u5148\u8003\u8651\u4e00\u4e2a\u70b9\u7684\u60c5\u51b5\uff1f\u56de\u5fc6\u822a\u6d77\u91cc\u7684\u4e09\u89d2\u6d4b\u91cf\u4ee5\u53ca <a href=\"https:\/\/en.wikipedia.org\/wiki\/Global_Positioning_System\">GPS<\/a> \u91cc\u7684\u4e09\u70b9\u5b9a\u4f4d\uff1f<br \/>\n\u5bf9\u4e8e\u5927\u6570\u636e\uff0c\u6709\u529e\u6cd5\u53ef\u4ee5\u5f97\u5230\u6bcf\u4e2a\u70b9\u7684\u5750\u6807\u5417\uff1f\u9700\u8981\u5f97\u5230\u6bcf\u4e2a\u70b9\u5750\u6807\u5417\uff1f<\/p>\n<h2>Sorting Permutation Unit<\/h2>\n<ul>\n<li><a href=\"https:\/\/youtu.be\/biyvpvx9I7E?t=729\">Livestream<\/a><\/li>\n<\/ul>\n<h3>Brief Description<\/h3>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1593\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%881-49-32\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32.png\" data-orig-size=\"1708,966\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53481.49.32\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-300x170.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-1024x579.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32.png\" alt=\"\" width=\"1708\" height=\"966\" class=\"aligncenter size-full wp-image-1593\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32.png 1708w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-300x170.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-768x434.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-1024x579.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.49.32-500x283.png 500w\" sizes=\"auto, (max-width: 1708px) 100vw, 1708px\" \/><\/a><\/p>\n<p>\u4f60\u9700\u8981\u5c06 k \u6bb5\u957f\u5ea6\u4e3a n \u7684\u6570\u7ec4\u6309\u7167\u975e\u9012\u51cf\u987a\u5e8f\u6392\u5e8f\u3002\u6392\u5e8f\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4f60\u81ea\u5df1\u6784\u9020\u7684\u7f6e\u6362\u3002\u4f60\u53ef\u4ee5\u81f3\u591a\u6784\u9020 p \u7ec4\u7f6e\u6362\uff0c\u6bcf\u6b21\u6392\u5e8f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u7f6e\u6362\u4e0d\u8d85\u8fc7 s \u6b21\u3002<\/p>\n<p>\uff08k &lt;= 30, n &lt;= 50, s = 450\uff09<br \/>\n\uff08Small: p = 20\uff09<br \/>\n\uff08Large: p = 5\uff09<\/p>\n<h2>Won&#8217;t Sum<\/h2>\n<ul>\n<li><a href=\"https:\/\/youtu.be\/biyvpvx9I7E?t=2917\">Livestream<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1595\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%882-09-52\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52.png\" data-orig-size=\"1704,966\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53482.09.52\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-300x170.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-1024x581.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52.png\" alt=\"\" width=\"1704\" height=\"966\" class=\"aligncenter size-full wp-image-1595\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52.png 1704w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-300x170.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-768x435.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-1024x581.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.09.52-500x283.png 500w\" sizes=\"auto, (max-width: 1704px) 100vw, 1704px\" \/><\/a><\/p>\n<h2>Juggle Stuggle Part<\/h2>\n<h3>Brief Description<\/h3>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1596\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%881-22-24\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24.png\" data-orig-size=\"1772,978\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53481.22.24\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-300x166.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-1024x565.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24.png\" alt=\"\" width=\"1772\" height=\"978\" class=\"aligncenter size-full wp-image-1596\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24.png 1772w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-300x166.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-768x424.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-1024x565.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53481.22.24-500x276.png 500w\" sizes=\"auto, (max-width: 1772px) 100vw, 1772px\" \/><\/a><\/p>\n<p>\u5e73\u9762\u5185\u7ed9\u51fa n \u6761\u7ebf\u6bb5\uff0c\u79f0\u8fd9\u7ec4\u7ebf\u6bb5\u662f\u76f8\u878d\u7684\uff0c\u5982\u679c\u4ed6\u4eec\u4e24\u4e24\u76f8\u4ea4\u3002<br \/>\n&#8211; Part 1: \u7ed9\u5b9a 2n \u4e2a\u70b9\uff0c\u6784\u9020\u4e00\u7ec4\u76f8\u878d\u7684\u8fde\u7ebf\u65b9\u5f0f\uff0c\u6570\u636e\u4fdd\u8bc1\u4e00\u5b9a\u6709\u89e3\u3002<br \/>\n&#8211; Part 2: \u7ed9\u5b9a n \u6761\u7ebf\u6bb5\uff0c\u5224\u65ad\u5b83\u4eec\u662f\u5426\u76f8\u878d\u3002<\/p>\n<h3>Idea<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=M64HUIJFTZM\">3Blue1Brown, This problem seems hard, then it doesn&#8217;t, but it really is<\/a><\/li>\n<li><a href=\"http:\/\/acm.hdu.edu.cn\/showproblem.php?pid=4660\">HDU 4660. Mathematical Olympiad<\/a><\/li>\n<li><a href=\"https:\/\/youtu.be\/biyvpvx9I7E?t=3810\">Livestream<\/a><\/li>\n<\/ul>\n<h2>Go To Considered Helpful<\/h2>\n<ul>\n<li><a href=\"https:\/\/youtu.be\/biyvpvx9I7E?t=986\">Livestream<\/a><\/li>\n<\/ul>\n<h3>Brief Description<\/h3>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12.png\"><img decoding=\"async\" data-attachment-id=\"1594\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%882-07-12\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12.png\" data-orig-size=\"1706,960\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53482.07.12\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-300x169.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-1024x576.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12.png\" alt=\"\" width=\"1706\" class=\"aligncenter size-full wp-image-1594\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12.png 1706w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-300x169.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-768x432.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-1024x576.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.07.12-500x281.png 500w\" sizes=\"(max-width: 1706px) 100vw, 1706px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52.png\"><img decoding=\"async\" data-attachment-id=\"1597\" data-permalink=\"https:\/\/www.shuizilong.com\/house\/archives\/google-code-jam-2019-world-finals\/%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2019-08-12-%e4%b8%8a%e5%8d%882-06-52\/\" data-orig-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52.png\" data-orig-size=\"1706,966\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\u5c4f\u5e55\u5feb\u7167 2019-08-12 \u4e0a\u53482.06.52\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-300x170.png\" data-large-file=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-1024x580.png\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52.png\" alt=\"\" width=\"1706\" class=\"aligncenter size-full wp-image-1597\" srcset=\"https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52.png 1706w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-300x170.png 300w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-768x435.png 768w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-1024x580.png 1024w, https:\/\/www.shuizilong.com\/house\/wp-content\/uploads\/2019\/08\/\u5c4f\u5e55\u5feb\u7167-2019-08-12-\u4e0a\u53482.06.52-500x283.png 500w\" sizes=\"(max-width: 1706px) 100vw, 1706px\" \/><\/a><\/p>\n<p>\u7ed9\u5b9a\u4e00\u4e2a r&#42;c \u7684\u8ff7\u5bab\uff0c\u8981\u6c42\u6784\u9020\u4e00\u4e2a\u957f\u5ea6\u6700\u77ed\u7684\u5e26 Goto \u7684\u6307\u4ee4\u5e8f\u5217\uff0c\u53ef\u4ee5\u4ece\u8d77\u70b9\u8d70\u5230\u7ec8\u70b9\u3002<\/p>\n<p>(Small: r,c &lt;= 10)<br \/>\n(Large: r,c &lt;= 100)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google Code Jam 2019 World Finals \u4eca\u5e74\u7684 Code Jam \u7ed3\u675f\u4e86\uff0c\u4e00\u4e0d\u7559\u795e Tourist \u53c8^6 \u593a\u51a0\u4e86\u3002\u3002\u3002 \u5148\u6765\u770b\u4e00\u4e0b Final \u7684\u9898\u76ee\u5427\u3002 \u9898\u76ee \u76f4\u64ad Board Meeting Livestream Brief Description \u4ea4\u4e92\u9898\u3002\u7ed9\u5b9a\u4e00\u4e2a\u65e0\u9650\u5927\u7684\u68cb\u76d8\uff0c\u4e0a\u9762\u6446\u653e\u4e86\u81f3\u591a n \u4e2a\u56fd\u738b\u3002\u51c6\u5907\u9636\u6bb5\uff0c\u4f60\u53ef\u4ee5\u8fdb\u884c\u8be2\u95ee\u81f3\u591a r \u6b21\uff0c\u6bcf\u6b21\u8be2\u95ee\u4e00\u4e2a\u5750\u6807\uff0c\u7cfb\u7edf\u8fd4\u56de\u6240\u6709\u56fd\u738b\u8ddd\u79bb\u8fd9\u4e2a\u5750\u6807\u7684\u8ddd\u79bb\u548c\u3002\u4e4b\u540e\uff0c\u8be2\u95ee\u9636\u6bb5\u89d2\u8272\u4e92\u6362\uff0c\u7cfb\u7edf\u4f1a\u5411\u4f60\u8be2\u95ee\u81f3\u591a r \u6b21\uff0c\u6bcf\u6b21\u8be2\u95ee\u4e00\u4e2a\u5750\u6807\uff0c\u4f60\u9700\u8981\u8fd4\u56de\u6240\u6709\u56fd\u738b\u8ddd\u79bb\u8fd9\u4e2a\u5750\u6807\u7684\u8ddd\u79bb\u548c\u3002 \uff08\u6bcf\u4e2a\u56fd\u738b\u7684\u5750\u6807\u7edd\u5bf9\u503c\u4e0d\u8d85\u8fc7 m\uff0c\u8be2\u95ee\u7684\u5750\u6807\u7edd\u5bf9\u503c\u4e0d\u8d85\u8fc7 10m) \uff08n &lt;= 10, m = 1e6\uff0cr = 1000\uff09 \uff08\u5c0f\u6570\u636e\u4e2d\uff0cn = 1\uff09 Idea \u5148\u8003\u8651\u4e00\u4e2a\u70b9\u7684\u60c5\u51b5\uff1f\u56de\u5fc6\u822a\u6d77\u91cc\u7684\u4e09\u89d2\u6d4b\u91cf\u4ee5\u53ca GPS \u91cc\u7684\u4e09\u70b9\u5b9a\u4f4d\uff1f \u5bf9\u4e8e\u5927\u6570\u636e\uff0c\u6709\u529e\u6cd5\u53ef\u4ee5\u5f97\u5230\u6bcf\u4e2a\u70b9\u7684\u5750\u6807\u5417\uff1f\u9700\u8981\u5f97\u5230\u6bcf\u4e2a\u70b9\u5750\u6807\u5417\uff1f Sorting Permutation Unit Livestream Brief Description [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[1],"tags":[],"class_list":["post-1591","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-pF","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/comments?post=1591"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1591\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=1591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=1591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=1591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}