{"id":632,"date":"2015-12-20T17:50:45","date_gmt":"2015-12-20T09:50:45","guid":{"rendered":"http:\/\/yangwang.hk\/?p=632"},"modified":"2015-12-20T17:50:45","modified_gmt":"2015-12-20T09:50:45","slug":"%e9%a2%98%e5%a4%96%e8%af%9d%e3%80%81%e8%b0%ad%e6%b5%a9%e5%bc%ba%e4%b8%8ei","status":"publish","type":"post","link":"https:\/\/yangwang.hk\/?p=632","title":{"rendered":"\u9898\u5916\u8bdd\u3001\u8c2d\u6d69\u5f3a\u4e0ei++"},"content":{"rendered":"<p>\u8fd9\u4e2a\u6807\u9898\u4e2d\u5e76\u4e0d\u5305\u542b\u5bf9\u201c\u8c2d\u6d69\u5f3a\u201d\u5148\u751f\u7684\u4efb\u4f55\u653b\u51fb\u4e4b\u610f<\/p>\n<p>\u53ea\u662f\u9274\u4e8e\u5176\u5728\u4e2d\u56fdC\u8bed\u8a00\u7684\u201c\u7edf\u6cbb\u5730\u4f4d\u201d\uff0c\u800c\u6211\u4eec\u6240\u8981\u8ba8\u8bba\u7684\u8bdd\u9898\u4e5f\u548c\u4ed6\u6709\u7740\u83ab\u5927\u7684\u8054\u7cfb<\/p>\n<p>\u6240\u4ee5\u53ea\u597d\u62ff\u4ed6\u5f00\u5200\u4e86 <img src=\"https:\/\/yangwang.hk\/wp-includes\/images\/smilies\/mrgreen.png\" alt=\":mrgreen:\" class=\"wp-smiley\" style=\"height: 1em; max-height: 1em;\" \/><\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528\uff08\u6216\u4f7f\u7528\u8fc7\uff09\u6216\u8005\u7c7b\u4f3c\u7684\u56fd\u5185\u7684\u6559\u6750<\/p>\n<p>\u6216\u8bb8\u4f60\u5c06\u770b\u5230\u7c7b\u4f3c\u4e8e\u4e0b\u9762\u8fd9\u6837\u7684\u6bb5\u843d<\/p>\n<p><a href=\"http:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-638\" src=\"http:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub1.jpg\" alt=\"ub1\" width=\"808\" height=\"373\" srcset=\"https:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub1.jpg 808w, https:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub1-300x138.jpg 300w, https:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub1-660x305.jpg 660w\" sizes=\"auto, (max-width: 808px) 100vw, 808px\" \/><\/a><\/p>\n<p>\u7136\u800c\u5b9e\u9645\u4e0a\u8ba8\u8bba\u8fd9\u79cd\u8fd0\u7b97\u662f\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\u7684\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u6837\u8bf4\u5462\uff1f\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u4e0b\u9762\u7684\u8fd9\u4e2a\u7a0b\u5e8f<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n#include &lt;stdio.h&gt;\r\n\r\nint main()\r\n{\r\n\tint foo = 5;\r\n\tfoo=(++foo)+(++foo)+(++foo);\r\n\tprintf(&quot;%d&quot;,foo);\r\n\treturn 0;\r\n}\r\n<\/pre>\n<p>\u6309\u7167\u6587\u4e2d\u7684\u8bf4\u6cd5\uff0c\u8fd9\u4e2a\u7a0b\u5e8f\u7684\u8fd0\u884c\u7ed3\u679c\u5e94\u8be5\u662f24<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662fcodeblocks\u7b49\u4f7f\u7528gcc\u4e3a\u7f16\u8bd1\u5668\u7684\u73af\u5883\uff0c\u90a3\u4e48\u4f60\u5c06\u5f97\u523022\u7684\u7ed3\u679c<\/p>\n<p><a href=\"http:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-639\" src=\"http:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub2.jpg\" alt=\"ub2\" width=\"403\" height=\"117\" srcset=\"https:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub2.jpg 403w, https:\/\/yangwang.hk\/wp-content\/uploads\/2015\/12\/ub2-300x87.jpg 300w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/a><\/p>\n<p>\u662f\u4e66\u9519\u4e86\u8fd8\u662f\u7f16\u8bd1\u5668\u9519\u4e86\uff1f<\/p>\n<p>\u7b54\u6848\u662f\u4e66\u2026\u2026<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u8fd9\u4e2a\u7a0b\u5e8f\u4e2d\u7684\u7b97\u5f0f\u53ef\u4ee5\u5f97\u5230\u4efb\u4f55\u7ed3\u679c\uff0c\u800c\u539f\u56e0\u6b63\u662f\u6211\u4eec\u4e0b\u4e00\u7bc7\u6587\u7ae0\u6240\u8981\u8ba8\u8bba\u7684\u5185\u5bb9<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u672a\u5b9a\u4e49\u884c\u4e3a\uff08Undifined Behavior\uff0cUB\u884c\u4e3a\uff09<\/p>\n<p>\u5c31\u662f\u8bf4\u6807\u51c6\u4e2d\u5e76\u6ca1\u6709\u5bf9\u8fd9\u79cd\u884c\u4e3a\u7684\u7ed3\u679c\u505a\u51fa\u89c4\u5b9a<\/p>\n<p>\u56e0\u6b64\u8fd9\u79cd\u5199\u6cd5\u662f\u4e0d\u5b89\u5168\u7684\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u4f60\u5f97\u5230\u7684\u7ed3\u679c\u662f\u4f60\u6240\u671f\u671b\u7684\uff01<\/p>\n<p>\u5728\u4efb\u4f55\u4e00\u672c\u8d1f\u8d23\u7684\u4e66\u4e0a\u90fd\u5e94\u8be5\u660e\u786e\u7684\u6307\u51fa\u8fd9\u79cd\u5371\u9669\u7684\u884c\u4e3a\uff0c\u4f8b\u5982\u300aC Primer Plus\u300b<\/p>\n<p>\u800c\u56fd\u5185\u7684\u5404\u79cd\u6559\u6750\u5bf9\u6b64\u7ed9\u51fa\u7684\u201c\u8be6\u89e3\u201d\uff0c\u6216\u8bb8\u662f\u56fd\u5185\u6559\u80b2\u4f53\u5236\u6240\u6298\u5c04\u51fa\u7684\u95ee\u9898\u4e4b\u4e00\u5427\u2026\u2026<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u5728\u4efb\u4f55\u4e00\u672cc\u8bed\u8a00\u4e66\u4e0a\u770b\u5230\u4e86\u5982\u4e0a\u7684\u7a0b\u5e8f\uff0c\u5e76\u4e14\u8be6\u7ec6\u7684\u6559\u4f60\u5982\u4f55\u5206\u6790\uff0c\u90a3\u4e48100%\u53ef\u4ee5\u80af\u5b9a\uff0c\u8fd9\u4e00\u5b9a\u662f\u4e00\u672c\u5783\u573e\u4e66\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e2a\u6807\u9898\u4e2d\u5e76\u4e0d\u5305\u542b\u5bf9\u201c\u8c2d\u6d69\u5f3a\u201d\u5148\u751f\u7684\u4efb\u4f55\u653b\u51fb\u4e4b\u610f \u53ea\u662f\u9274\u4e8e\u5176\u5728\u4e2d\u56fdC\u8bed\u8a00\u7684\u201c\u7edf\u6cbb\u5730\u4f4d\u201d\uff0c\u800c\u6211\u4eec\u6240\u8981\u8ba8\u8bba\u7684\u8bdd\u9898\u4e5f\u2026 <span class=\"read-more\"><a href=\"https:\/\/yangwang.hk\/?p=632\">Read More: \u9898\u5916\u8bdd\u3001\u8c2d\u6d69\u5f3a\u4e0ei+\u2026 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-632","post","type-post","status-publish","format-standard","hentry","category-c"],"views":3601,"_links":{"self":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=632"}],"version-history":[{"count":2,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/632\/revisions"}],"predecessor-version":[{"id":640,"href":"https:\/\/yangwang.hk\/index.php?rest_route=\/wp\/v2\/posts\/632\/revisions\/640"}],"wp:attachment":[{"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangwang.hk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}