{"id":52,"date":"2025-11-13T06:59:31","date_gmt":"2025-11-12T22:59:31","guid":{"rendered":"https:\/\/154.36.158.208\/?p=52"},"modified":"2025-11-13T07:15:32","modified_gmt":"2025-11-12T23:15:32","slug":"%e4%b8%a4%e6%95%b0%e4%b9%8b%e5%92%8c","status":"publish","type":"post","link":"https:\/\/www.xieyuchen.xyz\/index.php\/2025\/11\/13\/%e4%b8%a4%e6%95%b0%e4%b9%8b%e5%92%8c\/","title":{"rendered":"\u4e24\u6570\u4e4b\u548c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u9898\u76ee 1\uff1a\u4e24\u6570\u4e4b\u548c\uff08Two Sum\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9\u5b9a\u6570\u7ec4 nums \u548c\u76ee\u6807\u503c target\uff0c\u8fd4\u56de\u4e24\u6570\u4e4b\u548c\u7b49\u4e8e target \u7684\u7d22\u5f15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \u793a\u4f8b: nums = [2, 7, 11, 15], target = 9 \u2192 \u8fd4\u56de [0, 1]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u793a: \u4f7f\u7528\u54c8\u5e0c\u8868\uff0c\u4e00\u6b21\u904d\u5386\u5b8c\u6210<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-pink-color\">def two_sum(nums, target):\n\n\u00a0 \u00a0 \"\"\"\n\n\u00a0 \u00a0 \u89e3\u6cd5\uff1a\u7528\u5b57\u5178\u5b58\u50a8 {\u503c: \u7d22\u5f15}\uff0c\u904d\u5386\u65f6\u67e5\u627e\u8865\u6570\n\n\u00a0 \u00a0 \u65f6\u95f4\u590d\u6742\u5ea6: O(n)\n\n\u00a0 \u00a0 \u7a7a\u95f4\u590d\u6742\u5ea6: O(n)\n\n\u00a0 \u00a0 \"\"\"\n\n\u00a0 \u00a0 lookup = {}\n\n\u00a0 \u00a0 for i, num in enumerate(nums):\n\n\u00a0 \u00a0 \u00a0 \u00a0 complement = target - num\n\n\u00a0 \u00a0 \u00a0 \u00a0 if complement in lookup:\n\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 return &#91;lookup&#91;complement], i]\n\n\u00a0 \u00a0 \u00a0 \u00a0 lookup&#91;num] = i\n\n\u00a0 \u00a0 return &#91;]<\/mark><\/em><\/code><\/pre>\n\n\n<div class=\"is-default-size wp-block-site-logo\"><a href=\"https:\/\/www.xieyuchen.xyz\/\" class=\"custom-logo-link\" rel=\"home\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.xieyuchen.xyz\/wp-content\/uploads\/2025\/11\/cropped-Image_1762900676968.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"512\" data-original=\"https:\/\/www.xieyuchen.xyz\/wp-content\/uploads\/2025\/11\/cropped-Image_1762900676968.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" class=\"custom-logo\" alt=\"\u55b5\u55b5\"  sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/div><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee 1\uff1a\u4e24\u6570\u4e4b\u548c\uff08Two Sum\uff09 \u7ed9\u5b9a\u6570\u7ec4 nums \u548c\u76ee\u6807\u503c target\uff0c\u8fd4\u56de\u4e24\u6570\u4e4b\u548c\u7b49\u4e8e targe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":34,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-52","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/posts\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=52"}],"version-history":[{"count":3,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":57,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/posts\/52\/revisions\/57"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/media\/34"}],"wp:attachment":[{"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xieyuchen.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}