{"id":320,"date":"2013-01-23T21:25:00","date_gmt":"2013-01-23T13:25:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/225"},"modified":"2013-01-23T21:25:00","modified_gmt":"2013-01-23T13:25:00","slug":"bzoj_1088mine","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=320","title":{"rendered":"BZOJ 1088(mine)"},"content":{"rendered":"<p><center style=\"font-family:arial,verdana,helvetica,sans-serif; font-size:14px\"><\/p>\n<h2 style=\"color:blue\">1088: [SCOI2005]\u626b\u96f7Mine<\/h2>\n<p><span class=\"green\">Time Limit:&nbsp;<\/span>10 Sec&nbsp;&nbsp;<span class=\"green\">Memory Limit:&nbsp;<\/span>162 MB<br \/>\n<span class=\"green\">Submit:&nbsp;<\/span>659&nbsp;&nbsp;<span class=\"green\">Solved:&nbsp;<\/span>386<br \/>\n[<a href=\"http:\/\/www.lydsy.com\/JudgeOnline\/submitpage.php?id=1088\" style=\"color:blue; text-decoration:none\">Submit<\/a>][<a href=\"http:\/\/www.lydsy.com\/JudgeOnline\/problemstatus.php?id=1088\" style=\"color:blue; text-decoration:none\">Status<\/a>][<a href=\"http:\/\/www.lydsy.com\/JudgeOnline\/bbs.php?id=1088\" style=\"color:blue; text-decoration:none\">Discuss<\/a>]<\/center><\/p>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">Description<\/h2>\n<div class=\"content\" style=\"font-family:arial,verdana,helvetica,sans-serif; height:auto; background-color:rgb(228,240,248); margin:0px; padding:0px 20px; font-size:14px\">\n\u76f8\u4fe1\u5927\u5bb6\u90fd\u73a9\u8fc7\u626b\u96f7\u7684\u6e38\u620f\u3002\u90a3\u662f\u5728\u4e00\u4e2an*m\u7684\u77e9\u9635\u91cc\u9762\u6709\u4e00\u4e9b\u96f7\uff0c\u8981\u4f60\u6839\u636e\u4e00\u4e9b\u4fe1\u606f\u627e\u51fa\u96f7\u6765\u3002\u4e07\u5723\u8282\u5230\u4e86\uff0c\u201c\u4f59\u201d\u4eba\u56fd\u6d41\u884c\u8d77\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u626b\u96f7\u6e38\u620f\uff0c\u8fd9\u4e2a\u6e38\u620f\u89c4\u5219\u548c\u626b\u96f7\u4e00\u6837\uff0c\u5982\u679c\u67d0\u4e2a&#26684;\u5b50\u6ca1\u6709\u96f7\uff0c\u90a3\u4e48\u5b83\u91cc\u9762\u7684\u6570\u5b57\u8868\u793a\u548c\u5b838\u8fde\u901a\u7684&#26684;\u5b50\u91cc\u9762\u96f7\u7684\u6570\u76ee\u3002\u73b0\u5728\u68cb\u76d8\u662fn\u00d72\u7684\uff0c\u7b2c\u4e00\u5217\u91cc\u9762\u67d0\u4e9b&#26684;\u5b50\u662f\u96f7\uff0c\u800c\u7b2c\u4e8c\u5217\u6ca1\u6709\u96f7\uff0c\u5982\u4e0b\u56fe\uff1a \u7531\u4e8e\u7b2c\u4e00\u5217\u7684\u96f7\u53ef\u80fd\u6709\u591a\u79cd\u65b9\u6848\u6ee1\u8db3\u7b2c\u4e8c\u5217\u7684\u6570\u7684\u9650\u5236\uff0c\u4f60\u7684\u4efb\u52a1\u5373\u6839\u636e\u7b2c\u4e8c\u5217\u7684\u4fe1\u606f\u786e\u5b9a\u7b2c\u4e00\u5217\u96f7\u6709\u591a\u5c11\u79cd\u6446\u653e\u65b9\u6848\u3002<\/div>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">Input<\/h2>\n<div class=\"content\" style=\"font-family:arial,verdana,helvetica,sans-serif; height:auto; background-color:rgb(228,240,248); margin:0px; padding:0px 20px; font-size:14px\">\n\u7b2c\u4e00\u884c\u4e3aN\uff0c\u7b2c\u4e8c\u884c\u6709N\u4e2a\u6570\uff0c\u4f9d\u6b21\u4e3a\u7b2c\u4e8c\u5217\u7684&#26684;\u5b50\u4e2d\u7684\u6570\u3002\uff081&lt;= N &lt;= 10000\uff09<\/div>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">Output<\/h2>\n<div class=\"content\" style=\"font-family:arial,verdana,helvetica,sans-serif; height:auto; background-color:rgb(228,240,248); margin:0px; padding:0px 20px; font-size:14px\">\n\u4e00\u4e2a\u6570\uff0c\u5373\u7b2c\u4e00\u5217\u4e2d\u96f7\u7684\u6446\u653e\u65b9\u6848\u6570\u3002<\/div>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">Sample Input<\/h2>\n<div class=\"content\" style=\"font-family:arial,verdana,helvetica,sans-serif; height:auto; background-color:rgb(228,240,248); margin:0px; padding:0px 20px; font-size:14px\">\n<span class=\"sampledata\" style=\"font-family:monospace; white-space:pre; background-color:rgb(141,184,255); font-size:18px\">2<br style=\"font-family:arial,verdana,helvetica,sans-serif!important\" \/><br \/>\n1 1<br style=\"font-family:arial,verdana,helvetica,sans-serif!important\" \/><br \/>\n<br style=\"font-family:arial,verdana,helvetica,sans-serif!important\" \/><br \/>\n<br style=\"font-family:arial,verdana,helvetica,sans-serif!important\" \/><br \/>\n<\/span><\/div>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">Sample Output<\/h2>\n<div class=\"content\" style=\"font-family:arial,verdana,helvetica,sans-serif; height:auto; background-color:rgb(228,240,248); margin:0px; padding:0px 20px; font-size:14px\">\n<span class=\"sampledata\" style=\"font-family:monospace; white-space:pre; background-color:rgb(141,184,255); font-size:18px\">2<br style=\"font-family:arial,verdana,helvetica,sans-serif!important\" \/><br \/>\n<\/span><\/div>\n<h2 style=\"font-family:arial,verdana,helvetica,sans-serif; color:blue\">\n<\/h2>\n<div><span style=\"font-size:14px\">Dp\u626b\u96f7\u9898\uff1a<\/span><\/div>\n<div><span style=\"font-size:14px\">\u4e00\u5f00\u59cb\u5c45\u7136\u6ca1\u6709\u60f3\u51fa\u65b9\u7a0b\u2026\u5929\u751f\u4e0d\u654f\u611f\uff1f<\/span><\/div>\n<div><span style=\"font-size:14px\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-size:14px\">\u663e\u7136\u65b9\u7a0b\u4e3af(i,x,x_r) \u8868\u793a\u7b2ci&#26684;\u65f6\uff0c\u4e2d\u95f4x\u548c\u53f3\u8fb9x_r\u662f\u5426\u6709\u96f7<\/span><\/div>\n<div><span style=\"font-size:14px\">\u8f7b\u6613\u5f97\u5230\u9012\u5f52\u65b9\u7a0b\uff1a<\/span><\/div>\n<div><span style=\"font-size:14px\">\u8fd9\u9898\u7684\u6559\u8bad\u662f\uff0c\u65b9\u7a0b\u679c\u65ad\u5217\uff0c\u53e6\u5f53\u524d\u72b6\u6001\u786e\u5b9a\u5dee1\uff0c\u7531\u524d\u9762\u5f97\u5230\u3002<\/span><\/div>\n<div><span style=\"font-size:14px\"><br \/>\n<\/span><\/div>\n<div><span style=\"font-size:14px\"><\/span><\/p>\n<pre name=\"code\" class=\"cpp\">#include&lt;cstdio&gt;\n#include&lt;cstring&gt;\n#include&lt;cstdlib&gt;\n#include&lt;iostream&gt;\n#include&lt;functional&gt;\n#include&lt;cmath&gt;\nusing namespace std;\n#define MAXN (10000+10)\nint n,a[MAXN];\nint f[MAXN][2][2]={0}; \/\/Middle and 1\nint main()\n{\n\tcin&gt;&gt;n;\n\tfor (int i=1;i&lt;=n;i++) cin&gt;&gt;a[i];\n\tswitch (a[1])\n\t{\n\t\tcase 2:f[1][1][1]++;break;\n\t\tcase 0:f[1][0][0]++;break;\n\t\tdefault:f[1][0][1]=f[1][1][0]=1;\n\t}\n\tfor (int i=2;i&lt;=n;i++)\n\t{\n\t\tswitch (a[i])\n\t\t{\n\t\t\tcase 3:f[i][1][1]=f[i-1][1][1];break;\n\t\t\tcase 0:f[i][0][0]=f[i-1][0][0];break;\n\t\t\tcase 2:f[i][1][0]=f[i-1][1][1];f[i][0][1]=f[i-1][1][0];f[i][1][1]=f[i-1][0][1];break;\n\t\t\tcase 1:f[i][1][0]=f[i-1][0][1];f[i][0][1]=f[i-1][0][0];f[i][0][0]=f[i-1][1][0];break;\n\t\t}\n\t}\n\tcout&lt;&lt;f[n][1][0]+f[n][0][0]&lt;&lt;endl;\n\n\treturn 0;\n}<\/pre>\n<\/div>\n<div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1088: [SCOI2005]\u626b\u96f7Mine Time Limit:&nbsp;10 Sec&nbsp;&#038;nb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[30],"class_list":["post-320","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-dp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BZOJ 1088(mine) - nike0good<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nike0good.com\/?p=320\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BZOJ 1088(mine) - nike0good\" 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