{"id":624,"date":"2026-09-18T17:19:10","date_gmt":"2026-09-18T09:19:10","guid":{"rendered":"https:\/\/cookie-qwq.xyz\/?p=624"},"modified":"2026-09-18T19:06:37","modified_gmt":"2026-09-18T11:06:37","slug":"%e9%ab%98%e7%ba%a7%e6%8c%87%e9%92%886-%e6%95%b0%e7%bb%84%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"https:\/\/blog.cookie-qwq.xyz\/index.php\/2026\/09\/18\/%e9%ab%98%e7%ba%a7%e6%8c%87%e9%92%886-%e6%95%b0%e7%bb%84%e6%8c%87%e9%92%88\/","title":{"rendered":"\u6307\u9488\u9ad8\u7ea76-\u6570\u7ec4\u6307\u9488"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uff081\uff09\u6570\u7ec4\u6307\u9488<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460\u3001\u6982\u5ff5\uff1a\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461\u3001\u4f5c\u7528\uff1a\u65b9\u4fbf\u7684\u64cd\u4f5c\u6570\u7ec4\u4e2d\u7684\u5404\u79cd\u6570\u636e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-290.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"463\" height=\"377\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-290.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-625\"  sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">int* p1 =arr;\uff0c\u8fd9\u91cc\u6307\u9488p1\u5b9e\u9645\u4e0a\u662f\u83b7\u53d6\u7684arr\u7684\u9996\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">int* p2 =&amp;arr[0]\uff0c\u8fd9\u91cc\u884c\u4ee3\u7801\u662f\u9a8c\u8bc1\u4e0a\u9762\u7684\u7ed3\u679c\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462\u3001\u6307\u9488\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-291.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"445\" height=\"356\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-291.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-626\"  sizes=\"auto, (max-width: 445px) 100vw, 445px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*p1++\uff0c\u8fd9\u91cc\u7684*\u662f\u89e3\u5f15\u7528\u8fd0\u7b97\u7b26\uff0c\u7528\u6765\u83b7\u53d6\u6570\u7ec4\u91cc\u9762\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">++\uff0c\u8868\u793a\u6bcf\u89e3\u5f15\u7528\u4e00\u6b21\u4e4b\u540e\uff0c\u6307\u9488\u5c31\u5411\u53f3\u79fb\u52a84\u4e2a\u5b57\u8282\uff08\u56e0\u4e3a\u662fint\u7c7b\u578b\uff0c\u6240\u4ee5\u79fb\u52a84\u5b57\u8282\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff082\uff09\u6570\u7ec4\u6307\u9488\u7684\u7ec6\u8282<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460\u3001arr\u53c2\u4e0e\u8ba1\u7b97\u7684\u65f6\u5019\uff0c\u4f1a\u9000\u5316\u4e3a\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u6307\u9488<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9000\u5316\u7684\u539f\u56e0\u5c31\u662f\u6307\u9488\u8bb0\u5f55\u7684\u662f\u6570\u7ec4\u7684\u9996\u5730\u5740\uff08arr\u4e00\u822c\u4ee3\u8868\u6570\u7ec4\u7684\u9996\u5730\u5740\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-292.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1021\" height=\"357\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-292.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-627\"  sizes=\"auto, (max-width: 1021px) 100vw, 1021px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">int arr[] = {1,2,3};<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">int* p =arr;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">int* pp = arr + 1;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u6307\u9488pp\u8bb0\u5f55\u7684\u5c31\u662f&amp;arr[1]\u7684\u5730\u5740\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461\u3001\u6709\u4e24\u79cd\u60c5\u51b5\u4e0d\u4f1a\u9000\u5316<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sizeof\u8fd0\u7b97\u7684\u65f6\u5019\uff0c\u4e0d\u4f1a\u9000\u5316\uff0carr\u8fd8\u662f\u6574\u4f53\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&amp;arr\u83b7\u53d6\u5730\u5740\u7684\u65f6\u5019\uff0c\u4e0d\u4f1a\u9000\u5316\uff0c\u6b64\u65f6&amp;arr\u4ee3\u8868\u7684\u662f\u6574\u4e2a\u6570\u7ec4\u7684\u5730\u5740\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-293-1024x462.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"462\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-293-1024x462.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-628\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6307\u9488p1 + 1\uff0c\u5c31\u662f\u5411\u53f3\u79fb\u52a84\u4e2a\u5b57\u8282\uff0c\u8bb0\u5f55\u7684\u662f&amp;arr[1]\u7684\u5730\u5740\u503c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6307\u9488p2 + 1\uff0c\u5c31\u662f\u5411\u53f3\u79fb\u52a8\u4e00\u4e2a\u6570\u7ec4\u7684\u5b57\u8282\u5927\u5c0f\uff0c\u8bb0\u5f55\u7684\u5c31\u662f\u4e0b\u4e00\u4e2a\u6570\u7ec4\u7684\u6574\u4f53\u5730\u5740\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff083\uff09\u6570\u7ec4\u6307\u9488\u7ec6\u8282\u7684\u8054\u7cfb<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-294.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"163\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-294.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-629\"  sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-295.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"357\" height=\"103\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-295.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-630\"  sizes=\"auto, (max-width: 357px) 100vw, 357px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-296.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"169\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-296.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-631\"  sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uff084\uff09\u603b\u7ed3<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-297.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"692\" height=\"326\" data-original=\"https:\/\/cookie-qwq.xyz\/wp-content\/uploads\/2026\/09\/image-297.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-632\"  sizes=\"auto, (max-width: 692px) 100vw, 692px\" \/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\uff081\uff09\u6570\u7ec4\u6307\u9488 \u2460\u3001\u6982\u5ff5\uff1a\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488 \u2461\u3001\u4f5c\u7528\uff1a\u65b9\u4fbf\u7684\u64cd\u4f5c\u6570\u7ec4\u4e2d\u7684\u5404\u79cd\u6570\u636e int* p1 =arr;\uff0c\u8fd9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-624","post","type-post","status-publish","format-standard","hentry","category-archives","tag-c"],"_links":{"self":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=624"}],"version-history":[{"count":2,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/624\/revisions"}],"predecessor-version":[{"id":635,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/posts\/624\/revisions\/635"}],"wp:attachment":[{"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cookie-qwq.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}