{"id":326,"date":"2023-01-10T15:11:54","date_gmt":"2023-01-10T07:11:54","guid":{"rendered":"https:\/\/9iwd.top\/?p=326"},"modified":"2023-01-10T15:11:54","modified_gmt":"2023-01-10T07:11:54","slug":"06-2-c%e4%b8%80%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=326","title":{"rendered":"06.2 C++\u4e00\u7ef4\u6570\u7ec4\u6570\u7ec4\u540d"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\/\/ \u8f93\u51fa\u6d41\u5e93\r\nusing namespace std;\/\/ \u4f7f\u7528\u6807\u51c6\u547d\u540d\u7a7a\u95f4\r\n\r\n\/\/\u8bfe\u7a0b 06.2 \u4e00\u7ef4\u6570\u7ec4\u6570\u7ec4\u540d\r\n\r\nint main()\r\n{\r\n\t\/\/\u6570\u7ec4\u540d\u7528\u9014\r\n\t\/\/1\u3001\u53ef\u4ee5\u7528\u901a\u8fc7\u6570\u7ec4\u540d\u7edf\u8ba1\u6570\u7ec4\u5360\u7528\u5185\u5b58\u5927\u5c0f\r\n\t\/\/sizeof()\u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u6570\u7ec4\u6240\u5360\u7684\u5185\u5b58\uff0c\u800csizeof(arr3&#91;0])\u8fd4\u56de\u7684\u662f\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u6240\u5360\u7684\u5185\u5b58\r\n\tint arr&#91;10] = { 1,2,3,4,5,6,7,8,9,10 };\r\n\tcout &lt;&lt; \"\u6574\u4e2a\u6570\u7ec4\u5360\u7528\u5185\u5b58\u7a7a\u95f4\u4e3a\uff1a\" &lt;&lt; sizeof(arr) &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u6bcf\u4e2a\u5143\u7d20\u5360\u7528\u5185\u5b58\u7a7a\u95f4\u4e3a\uff1a\" &lt;&lt; sizeof(arr&#91;0]) &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u6570\u7ec4\u4e2d\u5143\u7d20\u4e2a\u6570\u4e3a\uff1a\" &lt;&lt; sizeof(arr) \/ sizeof(arr&#91;0]) &lt;&lt; endl;\r\n\t\r\n\t\/\/2\u3001\u901a\u8fc7\u6570\u7ec4\u540d\u67e5\u770b\u6570\u7ec4\u9996\u5730\u5740\r\n\t\/\/\u76f4\u63a5\u67e5\u770b\uff0c\u8fd4\u56de\u7684\u662f\u5341\u516d\u8fdb\u5236\u5730\u5740\r\n\tcout &lt;&lt; \"\u5341\u516d\u8fdb\u5236\u6570\u7ec4\u9996\u5730\u5740\uff1a\" &lt;&lt; arr &lt;&lt; endl;\r\n\t\/\/\u53ef\u4ee5\u7528\u8fc7(int)\u5f3a\u5236\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u5730\u5740\r\n\tcout &lt;&lt; \"\u5341\u8fdb\u5236\u6570\u7ec4\u9996\u5730\u5740\uff1a\" &lt;&lt; (int)arr &lt;&lt; endl;\r\n\t\/\/\u67e5\u770b\u5355\u4e2a\u5143\u7d20\u5730\u5740\uff0c\u9700\u8981\u4f7f\u7528\u53d6\u5730\u5740\u7b26\u53f7\uff1a&amp;\r\n\tcout &lt;&lt; \"\u5341\u8fdb\u5236\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\uff1a\" &lt;&lt; (int)&amp;arr&#91;0] &lt;&lt; endl;\r\n\tcout &lt;&lt; \"\u5341\u8fdb\u5236\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u5730\u5740\uff1a\" &lt;&lt; (int)&amp;arr&#91;1] &lt;&lt; endl;\r\n\t\/\/\u56e0\u4e3a\u5f53\u524d\u6570\u7ec4\u7c7b\u578b\u662f\uff1aint\uff0c\u6240\u4ee5\u6bcf\u4e00\u4e2a\u4e0b\u6807\u4e0e\u4e0b\u6807\u4e4b\u95f4\u7684\u5730\u5740\u76f8\u5dee:4\r\n\r\n\t\/\/ \u6570\u7ec4\u540d\u662f\u5e38\u91cf\uff0c\u4e0d\u53ef\u4ee5\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\r\n\t\/\/arr = 100;\r\n\r\n\tsystem(\"pause\");\/\/\u63a7\u5236\u53f0\u6682\u505c\uff0c\u7b49\u5f85\u4e0b\u4e00\u6b65\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\/326"}],"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=326"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/326\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=326"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}