{"id":4449,"date":"2018-12-16T10:24:48","date_gmt":"2018-12-16T18:24:48","guid":{"rendered":"https:\/\/zxi.mytechroad.com\/blog\/?p=4449"},"modified":"2018-12-16T12:27:20","modified_gmt":"2018-12-16T20:27:20","slug":"leetcode-binary-trees-sp12","status":"publish","type":"post","link":"https:\/\/zxi.mytechroad.com\/blog\/sp\/leetcode-binary-trees-sp12\/","title":{"rendered":"\u82b1\u82b1\u9171 LeetCode Binary Trees \u4e8c\u53c9\u6811 SP12"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"\u82b1\u82b1\u9171 LeetCode Binary Trees \u4e8c\u53c9\u6811 - \u5237\u9898\u627e\u5de5\u4f5c SP12\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/PbGl8_-bZxI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Binary tree is one of the most frequently asked question type during interview.<\/p>\n<p>\u4e8c\u53c9\u6811\u662f\u9762\u8bd5\u4e2d\u7ecf\u5e38\u4f1a\u95ee\u5230\u7684\u95ee\u9898\u3002<\/p>\n<p>The candidate needs to understand the recursively defined TreeNode and solve the problem through recursion.<\/p>\n<p>\u9762\u8bd5\u8005\u9700\u8981\u7406\u89e3\u9012\u5f52\u5b9a\u4e49\u7684TreeNode\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u4e14\u901a\u8fc7\u4f7f\u7528\u9012\u5f52\u7684\u65b9\u5f0f\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4450\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-1.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-1.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-1-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-1-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4451\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-2.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-2.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-2-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-2-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4452\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-3.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-3.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-3-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-3-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4453\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-4.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-4.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-4-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-4-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4454\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-5.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-5.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-5-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-5-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4455\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-6.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-6.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-6-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-6-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4456\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-7.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-7.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-7-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-7-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4457\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-8.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-8.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-8-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-8-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4458\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-9.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-9.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-9-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-9-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4459\" src=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-10.png\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-10.png 960w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-10-300x169.png 300w, https:\/\/zxi.mytechroad.com\/blog\/wp-content\/uploads\/2018\/12\/sp12-10-768x432.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Binary tree is one of the most frequently asked question type during interview. \u4e8c\u53c9\u6811\u662f\u9762\u8bd5\u4e2d\u7ecf\u5e38\u4f1a\u95ee\u5230\u7684\u95ee\u9898\u3002 The candidate needs to understand the recursively defined TreeNode and solve&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[170],"tags":[74,374,28],"class_list":["post-4449","post","type-post","status-publish","format-standard","hentry","category-sp","tag-bst","tag-sp","tag-tree","entry","simple"],"_links":{"self":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/4449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/comments?post=4449"}],"version-history":[{"count":3,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/4449\/revisions"}],"predecessor-version":[{"id":4463,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/posts\/4449\/revisions\/4463"}],"wp:attachment":[{"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/media?parent=4449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/categories?post=4449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zxi.mytechroad.com\/blog\/wp-json\/wp\/v2\/tags?post=4449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}