{"id":271,"date":"2016-11-24T19:02:40","date_gmt":"2016-11-24T11:02:40","guid":{"rendered":"http:\/\/kylelv.com\/?p=271"},"modified":"2017-12-21T21:26:01","modified_gmt":"2017-12-21T13:26:01","slug":"bzoj-2659-beijing-wc2012%e7%ae%97%e4%b8%8d%e5%87%ba%e7%9a%84%e7%ae%97%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/blog.kylelv.com\/?p=271","title":{"rendered":"bzoj 2659: [Beijing wc2012]\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69fdeefee0882\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fdeefee0882\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#2659_Beijing_wc2012%E7%AE%97%E4%B8%8D%E5%87%BA%E7%9A%84%E7%AE%97%E5%BC%8F\" title=\"2659: [Beijing wc2012]\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f\">2659: [Beijing wc2012]\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Description\" title=\"Description\">Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Input\" title=\"Input\">Input<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Output\" title=\"Output\">Output<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Sample_Input\" title=\"Sample Input\">Sample Input<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Sample_Output\" title=\"Sample Output\">Sample Output<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#HINT\" title=\"HINT\">HINT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.kylelv.com\/?p=271\/#Source\" title=\"Source\">Source<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"2659_Beijing_wc2012%E7%AE%97%E4%B8%8D%E5%87%BA%E7%9A%84%E7%AE%97%E5%BC%8F\"><\/span>2659: [Beijing wc2012]\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Time Limit:\u00a03 Sec\u00a0\u00a0Memory Limit:\u00a0128 MB<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Description\"><\/span>Description<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f<br \/>\n\u80cc\u666f\uff1a<br \/>\n\u66fe\u7ecf\u6709\u4e00\u4e2a\u8001\u6389\u7259\u7684\u6e38\u620f\u653e\u5728\u6211\u9762\u524d\uff0c\u6211\u6ca1\u6709\u73cd\u60dc\u3002\u76f4\u5230\u8fd9\u4e2a\u6e38\u620f\u505c\u4ea7\u624d\u8ffd\u6094\u83ab\u53ca\u3002\u4eba\u4e16\u95f4\u6700\u75db\u82e6\u7684\u4e8b\u60c5\u83ab\u8fc7\u4e8e\u6b64\uff0c\u5982\u679c\u4e0a\u5929\u7ed9\u6211\u4e00\u4e2a\u518d\u73a9\u4e00\u6b21\u7684\u673a\u4f1a\uff0c\u6211\u4e00\u5b9a\u8981\uff0c\u901a\u5173\uff01<br \/>\n\u9898\u76ee\u63cf\u8ff0\uff1a<br \/>\n\u5982\u679c\u4f60\u771f\u7684\u5f88\u60f3\u73a9\u8fd9\u4e2a\u6e38\u620f\uff0c\u90a3\u4e48\u5c31\u5148\u770b\u770b\u6211\u7684\u9898\u76ee\u5427\uff0c\u641e\u4e0d\u5b9a\u8fd9\u4e9b\u7684\u8bdd\u662f\u6ca1\u529e\u6cd5\u901a\u5173\u7684\u54df\u3002\u7b2c\u4e00\u5173\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u53ea\u6709\u4e00\u4e2a\u5173\u95ed\u7684\u6709\u5bc6\u7801\u9501\u7684\u5927\u95e8\u3002\u8fd9\u5927\u95e8\u4e0a\u5199\u7740\u4e00\u4e2a\u5947\u602a\u7684\u7b97\u5f0f\uff0c\u4f30\u8ba1\u662f\u8981\u4f60\u5229\u7528\u5b83\u7b97\u51fa\u5bc6\u7801\u6765\u5f00\u95e8\u5427\uff08\u679c\u7136\u662f\u8001\u6389\u7259\u7684\u60c5\u8282\uff09\u3002<br \/>\n\u4f20\u8bf4\u4e2d\u8fd9\u4e2a\u5f0f\u5b50\u4e2d\u7684p\u548cq\u662f\u4e24\u4e2a\u5947\u8d28\u6570\uff0c\u7b49\u53f7\u53f3\u8fb9\u7b97\u51fa\u6765\u5e94\u8be5\u5c31\u662f\u5bc6\u7801\u4e86\u5427\uff0c\u4f60\u662f\u771f\u7684\u7b97\u4e0d\u51fa\u6765\u4e48\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/images2015.cnblogs.com\/blog\/1014417\/201611\/1014417-20161124190122378-687746812.jpg\" alt=\"\" \/><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Input\"><\/span>Input<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>\u53ea\u6709\u4e00\u884c\uff0c\u4e24\u4e2a\u5947\u8d28\u6570\uff0c\u5206\u522b\u8868\u793ap,q\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Output\"><\/span>Output<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>\u4e00\u4e2a\u6570,\u8868\u793a\u7b97\u5f0f\u7ed3\u679c\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sample_Input\"><\/span>Sample Input<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>5 7<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sample_Output\"><\/span>Sample Output<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">6<\/div>\n<h2><span class=\"ez-toc-section\" id=\"HINT\"><\/span>HINT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p>&nbsp;<\/p>\n<p>HINT:p,q\u572832\u4f4d\u6574\u578b\u8303\u56f4\u5185\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Source\"><\/span>Source<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"content\">\n<p><a href=\"http:\/\/www.lydsy.com\/JudgeOnline\/problemset.php?search=An%20Introduction%20to%20the%20Theory%20of%20Numbers%E7%AC%AC6%E7%89%88%E5%AE%9A%E7%90%86100\" target=\"_blank\" rel=\"noopener\">An Introduction to the Theory of Numbers\u7b2c6\u7248\u5b9a\u7406100<\/a><\/p>\n<pre class=\"lang:c++ decode:true \">#include&lt;cstdio&gt;\r\nlong long p,q;\r\nint main(){\r\n    scanf(\"%lld%lld\",&amp;p,&amp;q);\r\n    printf(\"%lld\",(q+(p-q?-1:1))*(p-1)&gt;&gt;2);\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; 2659: [Beijing wc2012]\u7b97\u4e0d\u51fa\u7684\u7b97\u5f0f Time Limit:\u00a03 Sec\u00a0\u00a0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[8],"class_list":["post-271","post","type-post","status-publish","format-standard","hentry","category-bzoj","tag-8"],"_links":{"self":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=271"}],"version-history":[{"count":2,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions"}],"predecessor-version":[{"id":291,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/271\/revisions\/291"}],"wp:attachment":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}