{"id":436,"date":"2010-11-30T16:55:00","date_gmt":"2010-11-30T08:55:00","guid":{"rendered":"http:\/\/localhost\/?p=436"},"modified":"2010-11-30T16:55:00","modified_gmt":"2010-11-30T08:55:00","slug":"algorithmic_engagements_2010_sweets","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=436","title":{"rendered":"Algorithmic Engagements 2010 Sweets"},"content":{"rendered":"<p> <a href=\"http:\/\/main.edu.pl\/user.phtml?op=showtask&amp;task=cuk&amp;con=PA2010\">http:\/\/main.edu.pl\/user.phtml?op=showtask&amp;task=cuk&amp;con=PA2010<\/a><br \/>\u8fd9\u9898\u76ee\u7684\u610f\u601d\u662f\u3002\u3002\u3002\u6709N\u4e2a\u7269\u54c1,N&lt;=24\uff0c\u91cd\u91cf&lt;=10^9\uff0c\u5206\u62103\u5806\u3002\u3002<br \/>\u8bbe3\u5806\u91cd\u5206\u522b\u4e3aA\uff0cB\uff0cC\u4e14A&lt;=B&lt;=C\uff0c\u6c42C-A\u7684\u6700\u5c0f\u503c\u3002\u3002\u3002<br \/>\u770b\u5230\u8fd9\u4e2aN&lt;=24\u5e76\u4e14\u5206\u62103\u4efd\u4e0d\u96be\u60f3\u5230\u8981\u6298\u534a\u641e\u4e86\u3002\u3002<br \/>\u8003\u8651\u524dN\/2\u548c\u540eN\/2\u4e2a\u7269\u54c1\u7684\u4e24\u4e2a\u65b9\u6848\uff0c<br \/>\u8bbe\u524dN\/2\u7684\u7269\u54c1\u7684\u65b9\u6848\u662f(a1,b1,c1)\uff0c<\/p>\n<p>\u540eN\/2\u7684\u7269\u54c1\u7684\u65b9\u6848\u662f(a2,b2,c2)<br \/>\u90a3\u4e48\u3002\u3002\u7531\u4e8e\u548c\u662f\u56fa\u5b9a\u7684\u3002\u3002\u53ea\u8981\u8003\u8651\u4e24\u4e2a\u3002\u3002\u4e0d\u59a8\u8003\u8651a\u548cc\u3002\u3002<br \/>\u8bbeS\u4e3a\u6240\u6709\u7269\u54c1\u548c<br \/>\u90a3\u4e48a1+a2&lt;=S-(a1+a2+c1+c2)<br \/>&lt;=&gt;(a1*2+c1)+(a2*2+c2)&lt;=S<br \/>S-(a1+a2+c1+c2)&lt;=c1+c2<br \/>&lt;=&gt;(a1+c1*2)+(a2+c2*2)&gt;=S<br \/>\u8bbeF(x)=ax*2+cx,G(x)=ax+cx*2,T(x)=cx-ax<br \/>\u4e5f\u5c31\u662f\u8bf4F(1)+F(2)&lt;=S,G(1)+G(2)&gt;=S,\u6c42\u6700\u5c0f\u7684T(1)+T(2)\u3002\u3002<br \/>\u8fd9\u662f\u4e2a\u50bb\u53c9\u95ee\u9898\u3002\u3002\u3002\u6392\u5e8f\u964d\u7ef4\u4e4b\u540e\u76f4\u63a5\u6570\u72b6\u6570\u7ec4\u5c31\u597d\u4e86&gt;_&lt;\u3002\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/main.edu.pl\/user.phtml?op=showtask&amp;task=cuk&amp;con=PA2010\u8fd9\u9898\u76ee\u7684\u610f\u601d\u662f\u3002\u3002\u3002\u6709N\u4e2a\u7269\u54c1,N&lt;=24\uff0c\u91cd\u91cf&lt;=10^9\uff0c\u5206\u62103\u5806\u3002\u3002\u8bbe3\u5806\u91cd\u5206\u522b\u4e3aA\uff0cB\uff0cC\u4e14A&lt;=B&lt;=C\uff0c\u6c42C-A\u7684\u6700\u5c0f\u503c\u3002\u3002\u3002\u770b\u5230\u8fd9\u4e2aN&lt;=24\u5e76\u4e14\u5206\u62103\u4efd\u4e0d\u96be\u60f3\u5230\u8981\u6298\u534a\u641e\u4e86\u3002\u3002\u8003\u8651\u524dN\/2\u548c\u540eN\/2\u4e2a\u7269\u54c1\u7684\u4e24\u4e2a\u65b9\u6848\uff0c\u8bbe\u524dN\/2\u7684\u7269\u54c1\u7684\u65b9\u6848\u662f(a1,b1,c1)\uff0c \u540eN\/2\u7684\u7269\u54c1\u7684\u65b9\u6848\u662f(a2,b2,c2)\u90a3\u4e48\u3002\u3002\u7531\u4e8e\u548c\u662f\u56fa\u5b9a\u7684\u3002\u3002\u53ea\u8981\u8003\u8651\u4e24\u4e2a\u3002\u3002\u4e0d\u59a8\u8003\u8651a\u548cc\u3002\u3002\u8bbeS\u4e3a\u6240\u6709\u7269\u54c1\u548c\u90a3\u4e48a1+a2&lt;=S-(a1+a2+c1+c2)&lt;=&gt;(a1*2+c1)+(a2*2+c2)&lt;=SS-(a1+a2+c1+c2)&lt;=c1+c2&lt;=&gt;(a1+c1*2)+(a2+c2*2)&gt;=S\u8bbeF(x)=ax*2+cx,G(x)=ax+cx*2,T(x)=cx-ax\u4e5f\u5c31\u662f\u8bf4F(1)+F(2)&lt;=S,G(1)+G(2)&gt;=S,\u6c42\u6700\u5c0f\u7684T(1)+T(2)\u3002\u3002\u8fd9\u662f\u4e2a\u50bb\u53c9\u95ee\u9898\u3002\u3002\u3002\u6392\u5e8f\u964d\u7ef4\u4e4b\u540e\u76f4\u63a5\u6570\u72b6\u6570\u7ec4\u5c31\u597d\u4e86&gt;_&lt;\u3002\u3002\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/436"}],"collection":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=436"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}