{"id":331,"date":"2023-01-10T17:57:15","date_gmt":"2023-01-10T09:57:15","guid":{"rendered":"https:\/\/9iwd.top\/?p=331"},"modified":"2023-01-10T17:57:16","modified_gmt":"2023-01-10T09:57:16","slug":"06-7-c%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%95%b0%e7%bb%84%e5%90%8d","status":"publish","type":"post","link":"http:\/\/9iwd.top\/?p=331","title":{"rendered":"06.7 C++\u4e8c\u7ef4\u6570\u7ec4\u6570\u7ec4\u540d"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\/\/ \u4f7f\u7528\u8f93\u51fa\u6d41\u5e93\r\nusing namespace std;\/\/ \u4f7f\u7528\u6807\u51c6\u547d\u540d\u7a7a\u95f4\r\n\r\n\/\/\u8bfe\u7a0b\uff1a06.7 \u4e8c\u7ef4\u6570\u7ec4-\u6570\u7ec4\u540d\r\n\r\nint main()\r\n{\r\n\t\/\/\u4e8c\u7ef4\u6570\u7ec4\u540d\u79f0\u7528\u9014\r\n\r\n\t\/\/1\u3001\u67e5\u770b\u5360\u7528\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f\r\n\t\/\/\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\r\n\tint arr&#91;2]&#91;3] =\r\n\t{\r\n\t\t{1,2,3},\r\n\t\t{4,5,6}\r\n\t};\r\n\r\n\t\/\/2\u3001\u67e5\u770b\u4e8c\u7ef4\u6570\u7ec4\u5360\u7528\u7a7a\u95f4\r\n\tcout &lt;&lt; \"\u6570\u7ec4\u5360\u7528\u7a7a\u95f4\uff1a\" &lt;&lt; sizeof(arr) &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u6570\u7ec4\u7b2c\u4e00\u884c\u5360\u7528\u7a7a\u95f4\uff1a\" &lt;&lt; sizeof(arr&#91;0]) &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u5360\u7528\u7a7a\u95f4\uff1a\" &lt;&lt; sizeof(arr&#91;0]&#91;0]) &lt;&lt; endl;\r\n\r\n\tcout &lt;&lt; \"\u53d6\u6570\u7ec4\u884c\u6570\uff1a\" &lt;&lt; sizeof(arr) \/ sizeof(arr&#91;0]) &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u53d6\u6570\u7ec4\u5217\u6570\uff1a\" &lt;&lt; sizeof(arr&#91;0]) \/ sizeof(arr&#91;0]&#91;0]) &lt;&lt; endl;\r\n\r\n\t\/\/3\u3001\u53d6\u6570\u7ec4\u5730\u5740\r\n\tcout &lt;&lt; \"\u53d6\u5341\u516d\u8fdb\u5236\u6570\u7ec4\u9996\u5730\u5740\" &lt;&lt; arr &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u53d6\u5341\u516d\u8fdb\u5236\u6570\u7ec4\u7b2c\u4e00\u884c\u9996\u5730\u5740\uff1a\" &lt;&lt; arr&#91;0] &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u53d6\u5341\u516d\u8fdb\u5236\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u9996\u5730\u5740\uff1a\" &lt;&lt; &amp;arr&#91;0]&#91;0] &lt;&lt; endl;\r\n\r\n\tcout &lt;&lt; \"\u53d6\u5341\u8fdb\u5236\u6570\u7ec4\u9996\u5730\u5740\uff1a\" &lt;&lt; (int)arr &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u53d6\u5341\u8fdb\u5236\u6570\u7ec4\u7b2c\u4e00\u884c\u9996\u5730\u5740\uff1a\" &lt;&lt; (int)arr&#91;0] &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u53d6\u5341\u8fdb\u5236\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u9996\u5730\u5740\uff1a\" &lt;&lt; (int)&amp;arr&#91;0]&#91;0] &lt;&lt; endl;\r\n\r\n\tcout &lt;&lt; \"\u53d6\u5341\u8fdb\u5236\u6570\u7ec4\u7b2c\u4e8c\u4e2a\u5143\u7d20\u9996\u5730\u5740\uff1a\" &lt;&lt; (int)&amp;arr&#91;0]&#91;1] &lt;&lt; endl;\r\n\tsystem(\"pause\");\/\/ \u63a7\u5236\u53f0\u6682\u505c\uff0c\u7b49\u5f85\u4e0b\u4e00\u6b65\u64cd\u4f5c\r\n\treturn 0;\/\/ \u7ed3\u675f\u8fd4\u56de\u503c\uff1a0\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"_links":{"self":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/331"}],"collection":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=331"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/331\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=331"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}