{"id":121,"date":"2021-12-02T10:18:05","date_gmt":"2021-12-02T02:18:05","guid":{"rendered":"http:\/\/purplepoolobservatory.com\/?p=121"},"modified":"2021-12-03T08:52:40","modified_gmt":"2021-12-03T00:52:40","slug":"%e4%ba%8c%e5%88%86%e6%b3%95%e6%9f%a5%e6%89%be","status":"publish","type":"post","link":"https:\/\/purplepoolobservatory.com\/?p=121","title":{"rendered":"\u4e8c\u5206\u6cd5\u67e5\u627e"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;math.h>\n\nint ifindi(int n,int arr&#91;],int v)\n{\n    int i,begin=0,end=n-1,mid;\n\n    if(v&lt;arr&#91;0] || v>arr&#91;n-1])\n        return -9;\n    if(n&lt;=0)\n        return -9;\n\n\/\/    mid=rint((end-begin)\/2);\n    while(1)\n    {\n        if((end-begin)&lt;=1){\n            if(arr&#91;begin]==v) return begin;\n            if(arr&#91;end]==v) return end;\n        }\n        mid=begin+rint((end-begin)\/2);\n\/\/        printf(\"mid=%d\\n\",mid);\n        if(v>=arr&#91;begin] &amp;&amp; v&lt;arr&#91;mid]) end=mid;\n        if(v>=arr&#91;mid] &amp;&amp; v&lt;=arr&#91;end]) begin=mid;\n\/\/        printf(\"begin=%d, end=%d\\n\",begin,end);\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[2],"tags":[9,6],"class_list":["post-121","post","type-post","status-publish","format-gallery","hentry","category-technology","tag-c","tag-linux","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=121"}],"version-history":[{"count":1,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}