{"id":75,"date":"2019-08-09T07:50:00","date_gmt":"2019-08-09T07:50:00","guid":{"rendered":"https:\/\/www.wangliguang.cn\/?p=75"},"modified":"2019-08-09T07:50:00","modified_gmt":"2019-08-09T07:50:00","slug":"ccfcsp%e5%b0%8f%e4%b8%ad%e5%a4%a7","status":"publish","type":"post","link":"https:\/\/wangliguang.cn\/?p=75","title":{"rendered":"CCF CSP \u5c0f\u4e2d\u5927"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20190809154809538.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhcHB5d2xnMTIz,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20190809154824665.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhcHB5d2xnMTIz,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<pre><code class=\"prism language-cpp\"><span class=\"token macro property\">#<span class=\"token directive keyword\">include<\/span> <span class=\"token string\"><bits\/stdc++.h><\/span><\/span>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\n<span class=\"token macro property\">#<span class=\"token directive keyword\">define<\/span> MAX 100001<\/span>\n<span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">[<\/span>MAX<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">int<\/span> n<span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> max <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> min <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> middle <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> flag <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">double<\/span> middle1 <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    cin <span class=\"token operator\">>><\/span> n<span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\"><<\/span>n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        cin <span class=\"token operator\">>><\/span> a<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">>=<\/span> a<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        max <span class=\"token operator\">=<\/span> a<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n        min <span class=\"token operator\">=<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\"><=<\/span> a<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        max <span class=\"token operator\">=<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n        min <span class=\"token operator\">=<\/span> a<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">%<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">%<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&&<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">%<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">%<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">&&<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">%<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n            middle1 <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token number\">2.0<\/span><span class=\"token punctuation\">;<\/span>\n            flag <span class=\"token operator\">=<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token punctuation\">}<\/span>\n        <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">{<\/span>\n            middle <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token number\">2.0<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token punctuation\">}<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">%<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        middle <span class=\"token operator\">=<\/span> a<span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">\/<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    cout <span class=\"token operator\"><<<\/span> max <span class=\"token operator\"><<<\/span> <span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>flag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        cout <span class=\"token operator\"><<<\/span> <span class=\"token function\">setiosflags<\/span><span class=\"token punctuation\">(<\/span>ios<span class=\"token operator\">::<\/span>fixed<span class=\"token punctuation\">)<\/span> <span class=\"token operator\"><<<\/span> <span class=\"token function\">setprecision<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\"><<<\/span> middle1 <span class=\"token operator\"><<<\/span> <span class=\"token string\">\" \"<\/span> <span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">{<\/span>\n        cout <span class=\"token operator\"><<<\/span> middle <span class=\"token operator\"><<<\/span> <span class=\"token string\">\" \"<\/span> <span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    cout <span class=\"token operator\"><<<\/span> min<span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>#include using namespace std; #define MAX 100001 int a[&hellip; <a href=\"https:\/\/wangliguang.cn\/?p=75\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">CCF CSP \u5c0f\u4e2d\u5927<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,22],"tags":[43,44],"class_list":["post-75","post","type-post","status-publish","format-standard","hentry","category-21","category-22","tag-43","tag-44"],"_links":{"self":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/75","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=75"}],"version-history":[{"count":0,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/75\/revisions"}],"wp:attachment":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=75"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=75"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=75"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}