{"id":172,"date":"2023-06-14T00:01:32","date_gmt":"2023-06-13T16:01:32","guid":{"rendered":"https:\/\/www.gzlcy.cn\/?p=172"},"modified":"2023-06-14T00:01:32","modified_gmt":"2023-06-13T16:01:32","slug":"%e5%87%bd%e6%95%b0%e7%9a%84%e8%bf%94%e5%9b%9e%e5%80%bc%e6%8c%87%e5%90%91%e4%b8%80%e4%b8%aa%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"http:\/\/www.gzlcy.cn\/?p=172","title":{"rendered":"\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6307\u5411\u4e00\u4e2a\u6307\u9488"},"content":{"rendered":"<p>\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u5fc5\u987b\u4e0e\u51fd\u6570\u4f53\u5185\u7684\u8fd4\u56de\u8868\u8fbe\u5f0f\u7684\u7c7b\u578b\u76f8\u5339\u914d\u3002\u5982\u679c\u7c7b\u578b\u4e0d\u5339\u914d\uff0c\u7f16\u8bd1\u5668\u4f1a\u62a5\u9519\u3002\u6b64\u5916\uff0cC \u8bed\u8a00\u4e2d\u7684\u51fd\u6570\u53ea\u80fd\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u5982\u679c\u9700\u8981\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ed3\u6784\u4f53\u6216<a href='https:\/\/www.gzlcy.cn\/?p=166' title='\u6307\u9488' target='_blank' rel=\"noopener\">\u6307\u9488<\/a>\u7b49\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<p><img src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/C05vjKxwrf9MvT4kyPHbxO29MsXIXVw8hViaqlBbDCFGH2trYWnalFymzqYrmnKDGvW1tJlKeqwXZP0RKMrzvibw\/640?wx_fmt=png' alt='perl \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_c \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_\u51fd\u6570\u8fd4\u56de\u503c\u80fd\u662f\u6570\u7ec4\u5417' \/><\/p>\n<p>\u8fd4\u56de\u4e00\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u503c\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u4e00\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u53d8\u91cf\u4e2d\u3002add() \u51fd\u6570\u63a5\u6536\u4e24\u4e2a Point \u7c7b\u578b\u7684\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a Point \u7c7b\u578b\u7684\u503c\u3002\u5728\u51fd\u6570\u4f53\u5185\uff0c\u5c06\u4e24\u4e2a\u53c2\u6570\u7684 x \u5750\u6807\u548c y \u5750\u6807\u5206\u522b\u76f8\u52a0\uff0c\u5f97\u5230\u4e00\u4e2a\u65b0\u7684 Point \u7c7b\u578b\u7684\u7ed3\u6784\u4f53\uff0c\u7136\u540e\u5c06\u8fd9\u4e2a\u7ed3\u6784\u4f53\u4f5c\u4e3a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u8fd4\u56de\u3002\u5728 main() \u51fd\u6570\u4e2d\uff0c\u521b\u5efa\u4e24\u4e2a Point \u7c7b\u578b\u7684\u7ed3\u6784\u4f53 p1 \u548c p2\uff0c\u5e76\u5c06\u5b83\u4eec\u4f20\u9012\u7ed9 add() \u51fd\u6570\u3002\u7136\u540e\uff0c\u4f7f\u7528\u4e00\u4e2a Point \u7c7b\u578b\u7684\u53d8\u91cf p3 \u6765\u5b58\u50a8 add() \u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u5e76\u6253\u5370\u51fa p3 \u7684\u5750\u6807\u3002<\/p>\n<p><img src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/C05vjKxwrf9MvT4kyPHbxO29MsXIXVw8nqhicROZsIt6J6dXOQkC5a3IzuPYMsANWJIFRmwp1L6pjpVAwzspj4Q\/640?wx_fmt=png' alt='c \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_perl \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_\u51fd\u6570\u8fd4\u56de\u503c\u80fd\u662f\u6570\u7ec4\u5417' \/><\/p>\n<p>create_array() \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u6574\u6570 n\uff0c\u7136\u540e\u52a8\u6001\u5206\u914d\u4e86\u4e00\u4e2a n \u4e2a\u5143\u7d20\u7684\u6574\u578b<a href='https:\/\/www.gzlcy.cn\/?p=168' title='\u6570\u7ec4' target='_blank' rel=\"noopener\">\u6570\u7ec4<\/a>\uff0c\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u5176\u4e0b\u6807\u503c\uff0c\u6700\u540e\u5c06\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u8fd4\u56de\u3002\u5728 main() \u51fd\u6570\u4e2d\uff0c\u8c03\u7528 create_array() \u51fd\u6570\u5e76\u5c06\u5176\u8fd4\u56de\u503c\u6307\u5411\u4e00\u4e2a\u6574\u578b\u6307\u9488 arr\u3002\u7136\u540e\uff0c\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u6253\u5370\u51fa\u5176\u503c\u3002\u6700\u540e\uff0c\u91ca\u653e\u6570\u7ec4\u6240\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n<p>\u5728 C \u8bed\u8a00\u4e2d\uff0c\u56de\u8c03\u51fd\u6570\u662f\u6307\u4e00\u4e2a\u51fd\u6570\u6307\u9488\uff0c\u5b83\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u5f97\u88ab\u8c03\u7528\u7684\u51fd\u6570\u53ef\u4ee5\u8c03\u7528\u4f20\u9012\u8fdb\u6765\u7684\u51fd\u6570\u6307\u9488\u6765\u5b8c\u6210\u4e00\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u4e8b\u4ef6\u5904\u7406\u3001\u4fe1\u53f7\u5904\u7406\u3001\u5f02\u6b65\u64cd\u4f5c\u7b49\u65b9\u9762\u3002<\/p>\n<p><img src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/C05vjKxwrf9MvT4kyPHbxO29MsXIXVw8IdH2woqXWttMNtzsrdK3j1QqaLGuRjNh8XL0foz1nElS5czq820SZg\/640?wx_fmt=png' alt='perl \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_\u51fd\u6570\u8fd4\u56de\u503c\u80fd\u662f\u6570\u7ec4\u5417_c \u51fd\u6570\u8fd4\u56de\u6570\u7ec4' \/><\/p>\n<p>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570\u6307\u9488\u7c7b\u578b callback\uff0c\u5b83\u6307\u5411\u4e00\u4e2a\u6ca1\u6709\u8fd4\u56de\u503c\uff0c\u5e26\u6709\u4e00\u4e2a\u6574\u578b\u53c2\u6570\u7684\u51fd\u6570\u3002<\/p>\n<p>\u7136\u540e\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a apply() \u7684\u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u6574\u578b\u6570\u7ec4 arr\uff0c\u6570\u7ec4\u7684\u957f\u5ea6 n\uff0c\u4ee5\u53ca\u4e00\u4e2a\u51fd\u6570\u6307\u9488 cb\u3002\u5728\u51fd\u6570\u4f53\u5185\uff0c\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u8c03\u7528\u4f20\u9012\u8fdb\u6765\u7684\u51fd\u6570\u6307\u9488 cb \u6765\u5904\u7406\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u5728 main() \u51fd\u6570\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6574\u578b\u6570\u7ec4 arr\uff0c\u5e76\u8c03\u7528 apply() \u51fd\u6570\u6765\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u5728\u8c03\u7528 apply() \u51fd\u6570\u65f6\uff0c\u5c06\u4e00\u4e2a\u540d\u4e3a print() \u7684\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\uff0c\u8fd9\u4e2a\u51fd\u6570\u4f1a\u5c06\u6574\u578b\u53c2\u6570\u6253\u5370\u5230\u6807\u51c6\u8f93\u51fa\u4e2d\u3002<\/p>\n<p>apply()\u51fd\u6570\u662f\u4e00\u4e2a\u901a\u7528\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u7c7b\u578b\u7684\u6570\u7ec4\u548c\u4efb\u610f\u7c7b\u578b\u7684\u51fd\u6570\u6307\u9488\u3002\u901a\u8fc7\u4f20\u9012\u4e0d\u540c\u7684\u51fd\u6570\u6307\u9488\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7684\u64cd\u4f5c\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u4ee3\u7801\u7684\u590d\u7528\u6027\u66f4\u597d\uff0c\u5e76\u4e14\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<p>\u51fd\u6570\u6307\u9488\u662f\u6307\u4e00\u4e2a\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\u53d8\u91cf\uff0c\u5b83\u5b58\u50a8\u4e86\u51fd\u6570\u7684\u5730\u5740\uff0c\u53ef\u4ee5\u7528\u6765\u8c03\u7528\u51fd\u6570\u3002\u51fd\u6570\u6307\u9488\u7684\u5b9a\u4e49\u65b9\u5f0f\u4e0e\u666e\u901a\u7684\u6307\u9488\u5b9a\u4e49\u65b9\u5f0f\u76f8\u4f3c\uff0c\u53ea\u662f\u9700\u8981\u5728\u6307\u9488\u7c7b\u578b\u524d\u9762\u52a0\u4e0a\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u548c\u53c2\u6570\u5217\u8868\u3002<\/p>\n<p><pre class=\"code-snippet__js\" data-lang=\"cs\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">int<\/span>\u00a0(*p)(<span class=\"code-snippet__keyword\">int<\/span>,\u00a0<span class=\"code-snippet__keyword\">int<\/span>);<\/span><\/code><\/pre>\n<\/p>\n<p>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a p \u7684\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\u53d8\u91cf\uff0c\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u503c\u7c7b\u578b\u662f int\uff0c\u6709\u4e24\u4e2a\u6574\u578b\u53c2\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u6307\u9488\u53ef\u4ee5\u6307\u5411\u4e00\u4e2a\u5177\u6709\u76f8\u540c\u8fd4\u56de\u503c\u7c7b\u578b\u548c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\u3002<\/p>\n<p><img src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/C05vjKxwrf9MvT4kyPHbxO29MsXIXVw8clDjZL1U7lHmU0h5TiceGibQnEGoztSA006paXUM2ibJKjfMMMt6Y178w\/640?wx_fmt=png' alt='c \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_perl \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_\u51fd\u6570\u8fd4\u56de\u503c\u80fd\u662f\u6570\u7ec4\u5417' \/><\/p>\n<p>\u6253\u5b8c\u6536\u5de5<\/p>\n<p>\u5b9a\u4e49\u4e86\u4e24\u4e2a\u51fd\u6570 add() \u548c subtract()\uff0c\u5206\u522b\u5b9e\u73b0\u4e86\u52a0\u6cd5\u548c\u51cf\u6cd5\u64cd\u4f5c\u3002\u7136\u540e\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a p \u7684\u51fd\u6570\u6307\u9488\uff0c\u5b83\u53ef\u4ee5\u6307\u5411\u4e00\u4e2a\u5e26\u6709\u4e24\u4e2a\u6574\u578b\u53c2\u6570\u5e76\u8fd4\u56de\u6574\u578b\u7684\u51fd\u6570\u3002\u5728 main() \u51fd\u6570\u4e2d\uff0c\u5c06 p \u6307\u5411 add() \u51fd\u6570\uff0c\u5e76\u8c03\u7528\u5b83\u6765\u5b8c\u6210\u52a0\u6cd5\u64cd\u4f5c\uff0c\u7136\u540e\u518d\u5c06 p \u6307\u5411 subtract() \u51fd\u6570\uff0c\u5e76\u8c03\u7528\u5b83\u6765\u5b8c\u6210\u51cf\u6cd5\u64cd\u4f5c\u3002<\/p>\n<p>\u51fd\u6570\u91cc\u9762\u7684\u53c2\u6570\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u6307\u9488\u8fdb\u6765\u3002\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u8fdb\u51fd\u6570\u65f6\uff0c\u5b9e\u9645\u4e0a\u4f20\u9012\u7684\u662f\u6307\u9488\u6240\u6307\u5411\u7684\u5185\u5b58\u5730\u5740\uff0c\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u6307\u9488\u6765\u8bbf\u95ee\u3001\u4fee\u6539\u6307\u9488\u6240\u6307\u5411\u7684\u5185\u5b58\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p><img src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/C05vjKxwrf9MvT4kyPHbxO29MsXIXVw8ZbQFCnmIUic9ALAFaJemOKEq5sePmCtEJvAY2hBPYfacvcqKbNy24eA\/640?wx_fmt=png' alt='\u51fd\u6570\u8fd4\u56de\u503c\u80fd\u662f\u6570\u7ec4\u5417_c \u51fd\u6570\u8fd4\u56de\u6570\u7ec4_perl \u51fd\u6570\u8fd4\u56de\u6570\u7ec4' \/><\/p>\n<p>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a swap() \u7684\u51fd\u6570\uff0c\u5b83\u6709\u4e24\u4e2a\u53c2\u6570\uff0c\u90fd\u662f\u6307\u5411\u6574\u578b\u53d8\u91cf\u7684\u6307\u9488\u3002\u5728 main() \u51fd\u6570\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6574\u578b\u53d8\u91cf x \u548c y\uff0c\u5e76\u8f93\u51fa\u5b83\u4eec\u7684\u521d\u59cb\u503c\u3002\u7136\u540e\uff0c\u5c06 x \u548c y \u7684\u5730\u5740\u4f20\u9012\u7ed9 swap() \u51fd\u6570\uff0c\u8ba9\u5b83\u4ea4\u6362\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u3002\u6700\u540e\uff0c\u518d\u6b21\u8f93\u51fa x \u548c y \u7684\u503c\uff0c\u53d1\u73b0\u5b83\u4eec\u7684\u503c\u5df2\u7ecf\u88ab\u6210\u529f\u4ea4\u6362\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C-YYDS<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[262,281,263,255,280],"_links":{"self":[{"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts\/172"}],"collection":[{"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=172"}],"version-history":[{"count":0,"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=\/wp\/v2\/posts\/172\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gzlcy.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}