{"id":227,"date":"2008-08-14T12:16:42","date_gmt":"2008-08-14T04:16:42","guid":{"rendered":"http:\/\/sinya.yo2.cn\/usaco%e9%80%9a%e5%85%b3%e6%80%bb%e7%bb%93%e6%8e%a8%e8%8d%90%e9%a2%98%e7%9b%ae"},"modified":"2008-08-14T12:16:42","modified_gmt":"2008-08-14T04:16:42","slug":"usaco-trainning-pass","status":"publish","type":"post","link":"https:\/\/sinyalee.com\/blog\/?p=227","title":{"rendered":"USACO\u901a\u5173·\u603b\u7ed3·\u63a8\u8350\u9898\u76ee"},"content":{"rendered":"

\u4ece\u7f8e\u56fd\u897f\u90e8\u65f6\u95f42008\u5e742\u670813\u65e5Your Ride Is Here\uff0c\u52302008\u5e748\u670813\u65e5A Rectangle Barn\uff0c\u966a\u4f34\u6211\u534a\u5e74\u7684USACO<\/a>\u7ec8\u4e8e\u901a\u5173\u4e86\u3002\u867d\u7136\u63a5\u89e6USACO\u4e4b\u524d\uff0c\u51e0\u4e4e\u6240\u6709USACO\u4ecb\u7ecd\u7684\u7b97\u6cd5\u6211\u90fd\u4e86\u89e3\uff0c\u4f46\u662f\u8e0f\u8e0f\u5b9e\u5b9e\u628aUSACO\u505a\u4e0b\u6765\u4ee5\u540e\uff0c\u611f\u89c9\u5c31\u662f\u4e0d\u4e00\u6837\u2014\u2014\u6709\u4e86\u9898\u91cf\u7684\u79ef\u7d2f\uff0c\u611f\u89c9\u6574\u4e2a\u4eba\u5e95\u6c14\u8db3\u4e86\u4e0d\u5c11\u3002<\/p>\n

\u8fd9\u534a\u5e74\u6765\uff0c\u65ad\u65ad\u7eed\u7eed\uff0c\u5e76\u6ca1\u6709\u4e00\u76f4\u5728\u5237\u3002\u6709\u4e00\u6bb5\u53bb\u73a9\u521b\u9020\u8282\uff0c\u6709\u65f6\u5019\u53bb\u73a9\u8bfe\u5185\uff0c\u6709\u65f6\u5019\u53bb\u73a9\u7269\u7406\u7ade\u8d5b&\u6570\u5b66\u7ade\u8d5b\u3002\u6709\u65f6\u5019\u73a9\u5973\u751f\u2026\u2026<\/font><\/p>\n

\u603b\u7ed3\u51e0\u9053\u6bd4\u8f83\u6709\u4ef7\u503c\u7684\u9898\u76ee\u5427\uff0c\u4e0d\u4e00\u5b9a\u662f\u6700\u96be\u7684\uff0c\u4e5f\u4e0d\u662f\u7c7b\u578b\u9898\u5f52\u7eb3\uff0c\u53ea\u662f\u5199\u4e00\u4e9b\u6bd4\u8f83\u65b0\u9896\u7684\u548c\u6211\u89c9\u5f97\u6709\u4ef7\u503c\u7684\u3002\uff08\u94fe\u63a5\u5411USACO\u539f\u9875\u9762\uff09<\/p>\n

Checker Challenge<\/a>\uff08\u641c\u7d22\u9898\uff09<\/p>\n

Party Lamps<\/a><\/p>\n

Cow Tours<\/a><\/p>\n

Shaping Regions<\/a>\uff08\u77e9\u5f62\u5206\u5272\uff09<\/p>\n

Contact<\/a><\/p>\n

Shopping Offers<\/a><\/p>\n

Camelot<\/a>\uff08\u8fd9\u9053\u5361\u4e86\u6211\u5f88\u4e45\uff0c\u6211\u7684\u5f88\u56e7\u7684\u6807\u7a0b\u8d34\u5728\u8fd9\u91cc<\/a>\uff09<\/p>\n

Closed Fences<\/a> \uff08\u8ba1\u7b97\u51e0\u4f55\uff0c\u7b49\u6211\u653e\u9898\u89e3\uff0c\u8fd9\u9053\u5361\u4e86\u6211\u6700\u4e45\uff0c\u53ef\u80fd\u8ddf\u5f53\u65f6\u7ecf\u5e38\u73a9\u522b\u7684\u4e1c\u897f\u4e5f\u6709\u5173\u7cfb\u3002\u8fd9\u9053\u9898\u5224\u65ad\u8c01\u6863\u8c01\u7684\u7b97\u6cd5\u597d\u50cf\u7f51\u4e0a\u8fd8\u6ca1\u6709\uff08\u6240\u8c13\u4e2d\u70b9\u6cd5\u662f\u9519\u7684\uff0c\u5728USACO\u6539\u7248\u540e\u4e5f\u65e0\u6cd5\u901a\u8fc7\uff09\uff0c\u7b49\u6211\u653e\u4e0a\u6765<\/strong>\uff09<\/p>\n

Fence Rails<\/a>\uff08\u641c\u7d22+\u526a\u679d\u306e\u6700\u5f3a\u9898\uff09<\/p>\n

Fence Loops<\/a>\uff08\u8fd9\u9053\u9898\u6211\u6709\u4e00\u79cd\u8be1\u5f02\u7684\u89e3\u6cd5\uff0c\u7b49\u6211\u653e\u5230\u8fd9\u91cc\u6765<\/strong>\uff09<\/p>\n

Cryptcowgraphy<\/a>\uff08\u641c\u7d22\u526a\u679d\uff09<\/p>\n

Buy Low, Buy Lower<\/a><\/p>\n

Starry Night<\/a>\uff08\u77e9\u9635\u5904\u7406\uff09<\/p>\n

Electric Fences<\/a>\uff08\u9898\u89e3\u8bf4\u5f97\u5f88\u6653\u65ed\uff0c\u4ec0\u4e48\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u4e86\u2026\u2026\u4e0d\u8fc7\u6211\u7528\u8d2a\u5fc3\u8fc7\u4e86\uff0c\u4ece\u4e2d\u5fc3\u70b9\u5f00\u59cb\uff0c\u6bcf\u6b21\u770b\u4e0a\u4e0b\u5de6\u53f3\u54ea\u4e2a\u65b9\u5411\u6700\u597d\uff0c\u8fd9\u8ddf\u90a3\u4e2a\u4ece\u70b9\u5750\u6807\u5230\u8ddd\u79bb\u548c\u7684\u6620\u5c04\u662f\u8fde\u7eed\u7684\u4e5f\u6709\u5173\u5427\uff08\u8fde\u7eed\u51fd\u6570\u2026\u2026-_-|||\uff09\uff09<\/p>\n

Wisconsin Squares<\/a>\uff08\u770b\u6e05\u672c\u8d28\uff0c\u76f4\u63a5\u641c\u590d\u6742\u5ea6\u4e0d\u9ad8\uff09<\/p>\n

Network of Schools<\/a>\uff08\u5f3a\u8054\u901a\u5206\u5757\uff0c\u6211\u6ca1\u6709\u77e5\u8bc6\u50a8\u5907\uff0c\u7b2c\u4e00\u95ee\u7528floyed\uff0c\u7b2c\u4e8c\u95ee\u60f3\u4e0d\u51fa\u6765\uff0c\u56e7rz\uff09<\/p>\n

All Latin Squares<\/a>\uff08P\u00f3lya\u8ba1\u6570\u6cd5\u7684\u641c\u7d22\u526a\u679d\uff0c\u6211\u8fd8\u6ca1\u900f\u5f7b\u7406\u89e3\u3002\u4e4b\u524d\u5728\u5b66\u6821\u501f\u4e86\u4e00\u672c\u300a\u7ec4\u5408\u6570\u5b66\u300b\uff0c\u53ef\u60dc\u90a3\u7ae0\u786c\u662f\u770b\u4e0d\u61c2\u3002\u8fd9\u9898\u6284\u4e86\u9898\u89e3\uff0c\u73b0\u5728\u6b63\u914d\u5408\u521a\u4e70\u300a\u7ec4\u5408\u6570\u5b66\u300b\uff0c\u8865\u8fd9\u4e2a\u4e1c\u897f\uff09<\/p>\n

Character Recognition<\/a><\/p>\n

Betsy’s Tour<\/a>\uff08\u641c\u7d22\u526a\u679d\uff0c\u4f46\u662f\u6700\u5f3a\u7684\u505a\u6cd5\u662f\u72b6\u6001\u538b\u7f29\u52a8\u6001\u89c4\u5212\uff0c\u6211\u8fd8\u4e0d\u4f1a^_^\uff09<\/p>\n

TeleCowmunication<\/a>\uff08\u6700\u5c0f\u5272\u7684\u9898\u76ee\uff0c\u8003\u9a8c\u4f60\u7684\u7f51\u7edc\u6d41\u901f\u5ea6\uff0c\u6211\u7528sap+\u90bb\u63a5\u8868\u7528\u4e860.05secs\uff0c\u4e0e\u6b64\u7c7b\u4f3c\u7684\u9898\u76ee\u8fd8\u6709Pollutant Control<\/a>\uff0c\u5f53\u65f6\u61d2\u5f97\u53bb\u5b66\u57fa\u4e8e\u5c42\u6b21\u56fe\u7684\u589e\u5e7f\u8def\u7b97\u6cd5\uff0c\u66f4\u4e0d\u8981\u8bf4\u9884\u6d41\u63a8\u8fdb\uff0c\u751a\u81f3\u7528\u6df1\u641c\u627e\u589e\u5e7f\u8def\u3002\u7ed3\u679c0.997 secs\u9669\u8fc7\u3002\u4f46\u662f\u5f53\u65f6\u505a\u8fd9\u9053\u9898\u8ba9\u6211\u660e\u767d\u4e86\u4e00\u4e2a\u9053\u7406\uff0c\u5c31\u662ffillchar\u8bed\u53e5\u6bd4\u7528for\u5feb\u5f88\u591a\u3002\u5f53\u65f6\u5c31\u662f\u628a\u4e00\u53e5for\u6539\u6210fillchar\uff0c\u8ba9\u6211\u7684\u7a0b\u5e8f\u4ece1.004 secs\u4e0b\u964d\u52300.997secs\u00a0\u00a0\u00a0 -_-|||\u00a0 \u56e7rz\u00a0\u00a0\u00a0\u00a0 \uff09<\/p>\n

Picture<\/a>\uff08\u79bb\u6563\u5316+\u7ebf\u6bb5\u6811\uff0c\u867d\u7136\u6211\u61d2\u5f97\u52a0\u7ebf\u6bb5\u6811 ^_^\uff09<\/p>\n

Hidden Passwords<\/a>\uff08\u6700\u5c0f\u540e\u7f00\u7b97\u6cd5\uff0c\u6211\u4e4b\u524d\u4e0d\u77e5\u90a3\u4e2a\u7b97\u6cd5\uff0c\u540e\u6765\u60f3\u5230\u7684\u7b97\u6cd5\u8ddf\u90a3\u4e2a\u7c7b\u4f3c\uff0c\u5c31\u662f\u53ea\u8ba1\u7b97\u6709\u53ef\u80fd\u6210\u4e3a\u6700\u4f18\u89e3\u7684\u5f00\u5934\uff0c\u8fd9\u6837\u5b50\u907f\u514d\u4e00\u4e9b\u591a\u4f59\u8fd0\u7b97\uff0c\u53ef\u662f\u540e\u9762\u6709\u4e00\u4e9b\u8981\u91cd\u65b0\u5f00\u59cb\u8fd0\u7b97\uff0c\u4f46\u590d\u6742\u5ea6\u90fd\u662fO(n) \uff09<\/p>\n

Two Five<\/a>\uff08\u8bb0\u5fc6\u5316\u641c\u7d22\u6765\u7740\uff09<\/p>\n

Postal Vans<\/a> \uff08\u52a8\u6001\u89c4\u5212\uff0c\u6211\u7684\u60f3\u6cd5\u4e0e\u6807\u7a0b\u4e0d\u540c\uff0c\u4f46\u662f\u5199\u51fa\u6765\u7684\u52a8\u89c4\u65b9\u7a0b\u4e00\u6837\uff01\u6240\u8c13\u6761\u6761\u5927\u8def\u901a\u7f57\u9a6c\u662f\u4e5f\u3002\u6211\u7684\u9898\u89e3\u5728\u8fd9\u91cc<\/a><\/strong>\uff09<\/p>\n

A Rectangular Barn<\/a> \uff08\u56e7\u4e86\uff0c\u6211\u7684\u6700\u540e\u4e00\u9053\u9898\uff0c\u770b\u4e86\u9898\u89e3\uff0c\u603b\u89c9\u4e0d\u592a\u5b8c\u7f8e\uff09<\/p>\n

Cow XOR<\/a> \uff08\u53ef\u4ee5\u7528\u7c7b\u4f3c\u6700\u5c0f\u540e\u7f00\u7b97\u6cd5\u7684\u65b9\u6cd5\u505a\uff0c\u4f46\u6211\u7528\u4e8c\u53c9\u641c\u7d22\u6811\u786c\u662f\u628a\u590d\u6742\u5ea6\u4e0b\u964d\u5230O(nlogm)\uff09<\/p>\n

\u8981\u77e5\u9053USACO\u7684text\u90fd\u662f\u7cbe\u534e\uff0c\u4e0d\u80fd\u8f7b\u89c6\uff0c\u6211\u90fd\u6709\u8ba4\u771f\u7684\u7814\u7a76\u8fc7\u3002\u5bf9\u5b83\u7684text\u6709\u70b9\u8865\u5145\uff0c\u5c31\u662f\u51f8\u5305\u7b97\u6cd5\u4e2d\uff0c\u6613\u8bc1\u6700\u4e0b\u9762\u6700\u5de6\u8fb9\u7684\u70b9\u80af\u5b9a\u662f\u51f8\u5305\u70b9\u96c6\u4e2d\u7684\u70b9\u3002\u628a\u5b83\u5f53\u5f00\u59cb\u70b9\u5c31\u53ef\u4ee5\u7701\u53bb\u6700\u540e\u7684\u4fee\u8865\u5de5\u4f5c\u4e86\u3002<\/p>\n

\u597d\u50cfUSACO\u8fd8\u6709contest\u7684\u9898\u76ee\uff0c\u771f\u662f\u820d\u4e0d\u5f97Farmer John\u8fd8\u6709\u4ed6\u7684Cows. \u4e0d\u8fc7\u6211\u8ba4\u4e3a\u6211\u5e94\u8be5\u8fdb\u5165NOIP\u5907\u6218\u9636\u6bb5\u4e86\uff0c\u9ad8\u4e8c\uff0c\u6ca1\u6709\u9000\u8def\u4e86\uff01\u5148\u628a\u5386\u5e74NOIP\u7684\u9898\u76ee\u90fd\u8fc7\u6389\uff0c\u8fd8\u8981\u51c6\u5907\u521d\u8d5b\u7b14\u8bd5\uff0cOMG\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4ece\u7f8e\u56fd\u897f\u90e8\u65f6\u95f42008\u5e742\u670813\u65e5Your Ride Is Here\uff0c\u52302008\u5e748\u670813\u65e5A Rectang […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[86,131,132,197,249,292,323],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-13","tag-usaco","tag-131","tag-132","tag-197","tag-249","tag-292","tag-323"],"_links":{"self":[{"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227"}],"version-history":[{"count":0,"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/227\/revisions"}],"wp:attachment":[{"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinyalee.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}