{"id":1261,"date":"2022-07-31T21:54:55","date_gmt":"2022-07-31T13:54:55","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1261"},"modified":"2022-07-31T21:54:55","modified_gmt":"2022-07-31T13:54:55","slug":"%e4%ba%8c%e5%8f%89%e6%a0%91%e5%90%8c%e5%b1%82%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2022\/07\/31\/%e4%ba%8c%e5%8f%89%e6%a0%91%e5%90%8c%e5%b1%82%e5%a4%84%e7%90%86\/","title":{"rendered":"\u4e8c\u53c9\u6811\u540c\u5c42\u5904\u7406"},"content":{"rendered":"\n<!--more-->\n\n\n\n<p>\u4e2a\u4eba\u6574\u7406\uff0c\u975e\u6700\u4f18\u89e3<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4e8c\u53c9\u6811\u7b97\u6cd5\u4e2d\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u5982\uff1a\u83b7\u53d6\u6bcf\u4e00\u5c42\u4e8c\u53c9\u6811\u7684\u5143\u7d20\u603b\u548c\u65f6\uff0c\u8fd9\u6837\u5bf9\u4e8c\u53c9\u6811\u6bcf\u4e00\u5c42\u8fdb\u884c\u5206\u5f00\u8ba1\u7b97\uff0c\u53ef\u4ee5\u4f7f\u7528\u961f\u5217\u52a0\u4e24\u5c42while\u5faa\u73af\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">public void aSum(TreeNode root) {\r\n        int floor=0;\r\n        Deque&lt;TreeNode> queue = new ArrayDeque&lt;>(); \/\/\u961f\u5217\r\n        queue.offer(root); \/\/\u521d\u59cb\u6839\u8282\u70b9\u538b\u5165\u961f\u5217\r\n        while(!queue.isEmpty()){ \/\/\u7b2c\u4e00\u5c42while,\u77e5\u9053\u4e8c\u53c9\u6811\u88ab\u904d\u5386\u5b8c\u5168\r\n            floor++; \/\/\u8868\u793a\u73b0\u5728\u6b63\u5728\u8ba1\u7b97\u7684\u5c42\u6570\r\n            int size=queue.size(); \/\/\u901a\u8fc7\u83b7\u53d6\u6b64\u65f6\u7684size\u6765\u8868\u793a\u8be5\u5c42\u6709\u591a\u5c11\u5143\u7d20\r\n            int sum=0;\r\n            while(size!=0){ \/\/\u7b2c\u4e8c\u5c42while,\u901a\u8fc7size\u6765\u904d\u5386\u540c\u5c42\u7684\u5143\u7d20\r\n                size--; \/\/\u6bcf\u904d\u5386\u4e00\u4e2a\u540c\u5c42\u5143\u7d20\u51cf1\r\n                TreeNode ls=queue.pop(); \/\/\u5c06\u5143\u7d20\u51fa\u961f\u5217\r\n                sum+=ls.val;\r\n                if(ls.left!=null){queue.offer(ls.left);} \/\/\u5de6\u5206\u652f\u52a0\u5165\u961f\u5217\r\n                if(ls.right!=null){queue.offer(ls.right);} \/\/\u53f3\u5206\u652f\u52a0\u5165\u961f\u5217\r\n            }\r\n\r        }\r\r\n    }<\/code><\/pre>\n\n\n\n<p>\u5982\u4e0a\u9762\u7684\u7b97\u6cd5\uff0c\u6211\u4eec\u5148\u5c06\u6839\u8282\u70b9\u538b\u5165\u961f\u5217\uff0c\u4e4b\u540e\u901a\u8fc7\u4e00\u5c42while\uff08\u548c\u4e4b\u540e\u7684\u5de6\u53f3\u5206\u652f\u5165\u961f\uff09\u6765\u5b9e\u73b0\u4e8c\u53c9\u6811\u7684\u904d\u5386\u3002\u4e4b\u540e\u901a\u8fc7\u904d\u5386floor\u6765\u8bb0\u5f55\u5f53\u524d\u8ba1\u7b97\u7684\u5c42\u6570\uff0c\u5e76\u901a\u8fc7size\u8868\u793a\u8fd9\u4e2a\u5c42\u6709\u591a\u5c11\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u901a\u8fc7size\u4e3a\u57fa\u51c6\uff0c\u518d\u6b21\u4f7f\u7528while\uff0c\u6b64\u65f6\u904d\u5386\u7684\u4e3a\u5f53\u524dfloor\u7684\u6240\u6709\u5143\u7d20\uff0c\u5e76\u5c06\u5de6\u53f3\u5206\u652f\u5165\u961f\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u4e3b\u8981\u4f7f\u7528\u4e86\u8bb0\u5f55size\uff0c\u901a\u8fc7\u6bcf\u6b21\u904d\u5386\u5b8c\u4e00\u5c42\uff0c\u5c06\u5143\u7d20\u5168\u90e8\u51fa\u961f\uff0c\u5e76\u5728\u4e0b\u4e00\u5c42\u5faa\u73af\u5f00\u59cb\u524d\u8bb0\u5f55\u6b64\u65f6\u7684size\uff0c\u6765\u533a\u5206\u6bcf\u4e00\u5c42\u6709\u51e0\u4e2a\u5143\u7d20\uff0c\u4ee5\u6b64\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[1,7],"tags":[],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-wcd","category-7"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1261"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1261"}],"version-history":[{"count":1,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1262,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1261\/revisions\/1262"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}