{"id":25686,"date":"2023-04-22T16:14:10","date_gmt":"2023-04-22T08:14:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=25686"},"modified":"2023-07-30T23:26:01","modified_gmt":"2023-07-30T15:26:01","slug":"c%e3%80%81java%e9%83%bd%e5%b0%86%e7%ba%bf%e7%a8%8b%e5%85%b1%e4%ba%ab%e7%9a%84%e5%8f%98%e9%87%8f%e7%ad%89%e6%94%be%e5%88%b0%e5%a0%86%e5%86%85%e5%ad%98%e4%b8%ad%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/25686.html","title":{"rendered":"C++\u3001java\u90fd\u5c06\u7ebf\u7a0b\u5171\u4eab\u7684\u53d8\u91cf\u7b49\u653e\u5230\u5806\u5185\u5b58\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u9009\u62e9\u5806\u8fd9\u79cd\u6570\u636e\u7ed3\u6784"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>\u56e0\u4e3a\u6267\u884c\u5806\u6392\u5e8f\u6240\u9700\u7684\u65f6\u95f4\u5448\u5bf9\u6570\u589e\u957f\uff0c\u800c\u5176\u4ed6\u7b97\u6cd5\u53ef\u80fd\u968f\u7740\u8981\u6392\u5e8f\u7684\u5143\u7d20\u6570\u91cf\u7684\u589e\u52a0\u800c\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002\u8fd9\u79cd\u6392\u5e8f\u7b97\u6cd5\u975e\u5e38\u6709\u6548\u3002\u5b83\u6bd4\u5176\u4ed6\u540c\u6837\u6709\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-25687\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-1-13.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-1-13.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-1-13-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001C++\u3001java\u4e3a\u4ec0\u4e48\u9009\u62e9\u5806\u8fd9\u79cd\u6570\u636e\u7ed3\u6784<\/strong><\/h2>\n<p>\u6548\u7387\uff1a\u6267\u884c\u5806\u6392\u5e8f\u6240\u9700\u7684\u65f6\u95f4\u5448\u5bf9\u6570\u589e\u957f\uff0c\u800c\u5176\u4ed6\u7b97\u6cd5\u53ef\u80fd\u968f\u7740\u8981\u6392\u5e8f\u7684\u5143\u7d20\u6570\u91cf\u7684\u589e\u52a0\u800c\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002\u8fd9\u79cd\u6392\u5e8f\u7b97\u6cd5\u975e\u5e38\u6709\u6548\u3002<\/p>\n<p>\u5185\u5b58\u4f7f\u7528: \u5185\u5b58\u4f7f\u7528\u662f\u6700\u5c0f\u7684\uff0c\u56e0\u4e3a\u9664\u4e86\u4fdd\u5b58\u8981\u6392\u5e8f\u7684\u5143\u7d20\u7684\u521d\u59cb\u5217\u8868\u6240\u5fc5\u9700\u7684\u4e1c\u897f\u4e4b\u5916\uff0c\u5b83\u4e0d\u9700\u8981\u989d\u5916\u7684\u5185\u5b58\u7a7a\u95f4\u6765\u5de5\u4f5c<\/p>\n<p>\u7b80\u5355\u6027: \u5b83\u6bd4\u5176\u4ed6\u540c\u6837\u6709\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\u66f4\u5bb9\u6613\u7406\u89e3\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f7f\u7528\u5148\u8fdb\u7684\u8ba1\u7b97\u673a\u79d1\u5b66\u6982\u5ff5\uff0c\u5982\u9012\u5f52\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>\u5806\u6392\u5e8f(HeapSort)\u57fa\u672c\u6982\u5ff5<\/strong><\/h3>\n<p>\u5806\u6392\u5e8f\u662f\u4e00\u79cd\u57fa\u4e8e\u4e8c\u53c9\u5806(binary heap)\u6570\u636e\u7ed3\u6784\u7684\u57fa\u4e8e\u6bd4\u8f83\u7684\u6392\u5e8f\u6280\u672f\u3002\u5b83\u7c7b\u4f3c\u4e8e\u9009\u62e9\u6392\u5e8f\uff0c\u5148\u627e\u5230\u6700\u5c0f\u7684\u5143\u7d20\uff0c\u7136\u540e\u628a\u6700\u5c0f\u7684\u5143\u7d20\u653e\u5728\u6700\u5f00\u59cb, \u7136\u540e\u5bf9\u5176\u4f59\u5143\u7d20\u91cd\u590d\u76f8\u540c\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u5806\u7684\u4ecb\u7ecd\u8be6\u89c1\u6570\u636e\u7ed3\u6784\u2013Heap\u4ecb\u7ecd\u53caJava\u4ee3\u7801\u7684\u5b9e\u73b0\u793a\u4f8b<\/p>\n<p>\u7531\u4e8e\u4e8c\u53c9\u5806\u662f\u4e00\u68f5\u5b8c\u6574\u7684\u4e8c\u53c9\u6811\uff0c\u6240\u4ee5\u5b83\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u8868\u793a\u4e3a\u6570\u7ec4\uff0c\u800c\u57fa\u4e8e\u6570\u7ec4\u7684\u8868\u793a\u65b9\u5f0f\u975e\u5e38\u8282\u7701\u7a7a\u95f4\u3002\u5982\u679c\u7236\u8282\u70b9\u5b58\u50a8\u5728\u7d22\u5f15I\uff0c\u5de6\u8fb9\u7684\u5b50\u8282\u70b9\u53ef\u4ee5\u75282 * I + 1\u8ba1\u7b97\uff0c\u53f3\u8fb9\u7684\u5b50\u8282\u70b9\u53ef\u4ee5\u75282 * I + 2\u8ba1\u7b97(\u5047\u8bbe\u7d22\u5f15\u4ece0\u5f00\u59cb)\u3002<\/p>\n<p>\u5806\u6392\u5e8f\u662f\u4e00\u79cdin-place\u7b97\u6cd5\uff0c\u6392\u5e8f\u540e\uff0c\u76f8\u540c\u7684\u5143\u7d20\u65e0\u6cd5\u4fdd\u8bc1\u76f8\u5bf9\u7684\u987a\u5e8f\uff0c\u5373\u662f\u4e0d\u7a33\u5b9a\u7684\u3002<\/p>\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u5806\u548c\u6808\u7684\u4e0d\u540c<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"><strong>1<\/strong><strong>\u3001\u5206\u914d\u65b9\u5f0f\u4e0d\u540c\uff1a<\/strong><\/h3>\n<p>\u6808: \u7531\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u3002 \u4f8b\u5982\uff0c\u58f0\u660e\u5728\u51fd\u6570\u4e2d\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf int b; \u7cfb\u7edf\u81ea\u52a8\u5728\u6808\u4e2d\u4e3ab\u5f00\u8f9f\u7a7a\u95f4<\/p>\n<p>\u5806: \u9700\u8981\u7a0b\u5e8f\u5458\u81ea\u5df1\u7533\u8bf7\uff0c\u5e76\u6307\u660e\u5927\u5c0f\uff0c\u5728c\u4e2dmalloc\u51fd\u6570<\/p>\n<p>\u5982p1 = (char *)malloc(10);<\/p>\n<p>\u5728C++\u4e2d\u7528new\u8fd0\u7b97\u7b26<\/p>\n<p>\u5982p2 = (char *)new(10);<\/p>\n<p>\u4f46\u662f\u6ce8\u610fp1\u3001p2\u672c\u8eab\u662f\u5728\u6808\u4e2d\u7684\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>2<\/strong><strong>\u3001\u7a7a\u95f4\u5927\u5c0f\u4e0d\u540c\uff1a<\/strong><\/h3>\n<p>\u4e00\u822c\u6765\u8bb2\u572832\u4f4d\u7cfb\u7edf\u4e0b\uff0c\u5806\u5185\u5b58\u53ef\u4ee5\u8fbe\u52304G\u7684\u7a7a\u95f4\uff0c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u770b\u5806\u5185\u5b58\u51e0\u4e4e\u662f\u6ca1\u6709\u4ec0\u4e48\u9650\u5236\u7684\u3002\u4f46\u662f\u5bf9\u4e8e\u6808\u6765\u8bb2\uff0c\u4e00\u822c\u90fd\u662f\u6709\u4e00\u5b9a\u7684\u7a7a\u95f4\u5927\u5c0f\u7684\uff0c\u4f8b\u5982\uff0c\u5728VC6\u4e0b\u9762\uff0c\u9ed8\u8ba4\u7684\u6808\u7a7a\u95f4\u5927\u5c0f\u662f1M\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>3<\/strong><strong>\u3001\u5206\u914d\u6548\u7387\u4e0d\u540c\uff1a<\/strong><\/h3>\n<p>\u6808\u662f\u673a\u5668\u7cfb\u7edf\u63d0\u4f9b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8ba1\u7b97\u673a\u4f1a\u5728\u5e95\u5c42\u5bf9\u6808\u63d0\u4f9b\u652f\u6301\uff1a\u5206\u914d\u4e13\u95e8\u7684\u5bc4\u5b58\u5668\u5b58\u653e\u6808\u7684\u5730\u5740\uff0c\u538b\u6808\u51fa\u6808\u90fd\u6709\u4e13\u95e8\u7684\u6307\u4ee4\u6267 \u884c\uff0c\u8fd9\u5c31\u51b3\u5b9a\u4e86\u6808\u7684\u6548\u7387\u6bd4\u8f83\u9ad8\u3002\u5806\u5219\u662fC\/C++\u51fd\u6570\u5e93\u63d0\u4f9b\u7684\uff0c\u5b83\u7684\u673a\u5236\u662f\u5f88\u590d\u6742\u7684\uff0c\u4f8b\u5982\u4e3a\u4e86\u5206\u914d\u4e00\u5757\u5185\u5b58\uff0c\u5e93\u51fd\u6570\u4f1a\u6309\u7167\u4e00\u5b9a\u7684\u7b97\u6cd5\uff08\u5177\u4f53\u7684\u7b97\u6cd5\u53ef\u4ee5\u53c2\u8003 \u6570\u636e\u7ed3\u6784\/\u64cd\u4f5c\u7cfb\u7edf\uff09\u5728\u5806\u5185\u5b58\u4e2d\u641c\u7d22\u53ef\u7528\u7684\u8db3\u591f\u5927\u5c0f\u7684\u7a7a\u95f4\uff0c\u5982\u679c\u6ca1\u6709\u8db3\u591f\u5927\u5c0f\u7684\u7a7a\u95f4\uff08\u53ef\u80fd\u662f\u7531\u4e8e\u5185\u5b58\u788e\u7247\u592a\u591a\uff09\uff0c\u5c31\u6709\u53ef\u80fd\u8c03\u7528\u7cfb\u7edf\u529f\u80fd\u53bb\u589e\u52a0\u7a0b\u5e8f\u6570\u636e\u6bb5\u7684 \u5185\u5b58\u7a7a\u95f4\uff0c\u8fd9\u6837\u5c31\u6709\u673a\u4f1a\u5206\u5230\u8db3\u591f\u5927\u5c0f\u7684\u5185\u5b58\uff0c\u7136\u540e\u8fdb\u884c\u8fd4\u56de\u3002\u663e\u7136\uff0c\u5806\u7684\u6548\u7387\u6bd4\u6808\u8981\u4f4e\u5f97\u591a\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>4<\/strong><strong>\u3001\u788e\u7247\u95ee\u9898\uff1a<\/strong><\/h3>\n<p>\u6808\uff1a\u53ea\u8981\u6808\u7684\u5269\u4f59\u7a7a\u95f4\u5927\u4e8e\u6240\u7533\u8bf7\u7a7a\u95f4\uff0c\u7cfb\u7edf\u5c06\u4e3a\u7a0b\u5e8f\u63d0\u4f9b\u5185\u5b58\uff0c\u5426\u5219\u5c06\u62a5\u5f02\u5e38\u63d0\u793a\u6808\u6ea2\u51fa\u3002<\/p>\n<p>\u5806\uff1a\u9996\u5148\u5e94\u8be5\u77e5\u9053\u64cd\u4f5c\u7cfb\u7edf\u6709\u4e00\u4e2a\u8bb0\u5f55\u7a7a\u95f2\u5185\u5b58\u5730\u5740\u7684\u94fe\u8868\uff0c\u5f53\u7cfb\u7edf\u6536\u5230\u7a0b\u5e8f\u7684\u7533\u8bf7\u65f6\uff0c<\/p>\n<p>\u4f1a\u904d\u5386\u8be5\u94fe\u8868\uff0c\u5bfb\u627e\u540d\u5217\u524d\u8305\u4e2a\u7a7a\u95f4\u5927\u4e8e\u6240\u7533\u8bf7\u7a7a\u95f4\u7684\u5806\u7ed3\u70b9\uff0c\u7136\u540e\u5c06\u8be5\u7ed3\u70b9\u4ece\u7a7a\u95f2\u7ed3\u70b9\u94fe\u8868\u4e2d\u5220\u9664\uff0c\u5e76\u5c06\u8be5\u7ed3\u70b9\u7684\u7a7a\u95f4\u5206\u914d\u7ed9\u7a0b\u5e8f\uff0c\u53e6\u5916\uff0c\u5bf9\u4e8e\u5927\u591a\u6570\u7cfb\u7edf\uff0c\u4f1a\u5728\u8fd9\u5757 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