{"id":337,"date":"2023-09-16T10:32:08","date_gmt":"2023-09-16T02:32:08","guid":{"rendered":""},"modified":"2023-09-18T11:49:45","modified_gmt":"2023-09-18T03:49:45","slug":"c%e8%af%ad%e8%a8%80%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e5%88%9d%e5%a7%8b%e5%8c%96%e7%9a%84%e5%87%a0%e7%a7%8d%e6%96%b9%e5%bc%8f%e4%bb%8b%e7%bb%8d%ef%bc%88%e7%a7%81%e8%97%8f%e5%a4%a7%e6%95%b0","status":"publish","type":"post","link":"https:\/\/mushiming.com\/337.html","title":{"rendered":"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h3>C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd<\/h3>\n<ul>\n<li>1\u3001\u76f4\u63a5\u8d4b\u503c<\/li>\n<li>2\u3001\u5faa\u73af\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c<\/li>\n<li>3\u3001\u501f\u7528memset\/memset_s\u521d\u59cb\u5316\u4e3a0\u6216-1<\/li>\n<li>4\u3001`\u6570\u7ec4\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u76f8\u540c\u503c\uff08\u7528\u4e8e\u5927\u6570\u7ec4\u521d\u59cb\u5316\u8d3c\u65b9\u4fbf\uff09`<\/li>\n<\/ul>\n<\/div>\n<h1>1\u3001\u76f4\u63a5\u8d4b\u503c<\/h1>\n<p>\u9002\u5408\u6570\u7ec4\u5143\u7d20\u8f83\u5c11\u7684\uff0c\u5404\u5143\u7d20\u7684\u503c\u53ef\u4ee5\u4e0d\u540c\u3002<\/p>\n<pre><code class=\"prism language-javascript\">int arr1<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\nint arr1<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u6240\u6709\u5143\u7d20\u90fd\u521d\u59cb\u5316\u4e3a0 *\/<\/span>\nint arr1<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u53ea\u6709arr1[0][0]\u4e3a1\uff0c\u5176\u4ed6\u6240\u6709\u5143\u7d20\u90fd\u521d\u59cb\u5316\u4e3a0 *\/<\/span>\n<\/code><\/pre>\n<h1>2\u3001\u5faa\u73af\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c<\/h1>\n<p>\u5bf9\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\uff0c\u5404\u5143\u7d20\u7684\u503c\u53ef\u4ee5\u4e0d\u540c\u3002\u5c31\u662f\u6548\u7387\u6bd4\u8f83\u4f4e\u3002<\/p>\n<pre><code class=\"prism language-javascript\">int arr2<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\nint i<span class=\"token punctuation\">,<\/span> j<span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span>\n        arr2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u672c\u4f8b\u4e3a\u4e86\u7b80\u5355\u90fd\u8d4b\u503c\u6210\u76f8\u540c\u503c *\/<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span>\n<\/code><\/pre>\n<h1>3\u3001\u501f\u7528memset\/memset_s\u521d\u59cb\u5316\u4e3a0\u6216-1<\/h1>\n<p>\u6ce8\u610f\uff1amemset\/memset_s\u53ea\u80fd\u5c06\u53d8\u91cf\u521d\u59cb\u5316\u4e3a <code>0\u6216-1<\/code>\uff0c\u5176\u4ed6\u503c\u4e0d\u6210\u7acb\u3002 \u53c2\u8003\u767e\u5ea6\u767e\u79d1 \u7684\u5e38\u89c1\u9519\u8bef\u7684\u7b2c\u4e00\u6761\u3002<br \/> \u8fd9\u70b9\u5f88\u591a\u4eba\u90fd\u6ca1\u6ce8\u610f\uff0c\u5bb9\u6613\u72af\u9519\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-javascript\">int arr3<span class=\"token punctuation\">[<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">sizeof<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u6b63\u5e38\uff0carr3\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e3a0 *\/<\/span>\n<span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">sizeof<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u6b63\u5e38\uff0carr3\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e3a-1 *\/<\/span>\n<span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">sizeof<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* \u5f02\u5e38\uff0carr3\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e3a\u5f02\u5e38\u503c33686018 *\/<\/span>\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/cae11c5da05d4a37935098a45f06c56b.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20\" title=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 \u6280\u672f\u535a\u5ba2 \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h1>4\u3001<code>\u6570\u7ec4\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u76f8\u540c\u503c\uff08\u7528\u4e8e\u5927\u6570\u7ec4\u521d\u59cb\u5316\u8d3c\u65b9\u4fbf\uff09<\/code><\/h1>\n<p>\u53ea\u8981\u503c\u4e3a\u76f8\u540c\u7684\uff0c\u7279\u522b\u662f\u6570\u7ec4\u5143\u7d20\u6bd4\u8f83\u591a\u7684\u60c5\u51b5\uff0c\u63a8\u8350\u7528\u6b64\u65b9\u6cd5\uff1a<br \/> { [0 \u2026 LENA-1][0 \u2026 LENB-1] = num };<br \/> \u8fd9\u79cd\u521d\u59cb\u5316\u65b9\u6cd5\u6bd4\u8f83\u5c11\u89c1\uff0c\u4f46\u7279\u522b\u7701\u4e8b\uff0c\u6240\u4ee5\u5171\u4eab\u7ed9\u5927\u5bb6\u3002<\/p>\n<pre><code class=\"prism language-javascript\">#define <span class=\"token constant\">ARR_LEN<\/span> <span class=\"token number\">100<\/span>\nint arr4<span class=\"token punctuation\">[<\/span><span class=\"token constant\">ARR_LEN<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token constant\">ARR_LEN<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span> <span class=\"token operator\">...<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token constant\">ARR_LEN<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span> <span class=\"token operator\">...<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token constant\">ARR_LEN<\/span><span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token number\">10<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* 100*100\u4e2a\u5143\u7d20\u90fd\u521d\u59cb\u5316\u4e3a10 *\/<\/span>\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/7453a2b9b3f54d229da6610b7e7bca4e.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20\" title=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 \u6280\u672f\u535a\u5ba2 \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u6709\u4e9b\u4eba\u9047\u5230\u8fd9\u79cd\u5199\u6cd5\u7f16\u8bd1\u5931\u8d25\uff0c\u6211\u5728C89~17\u7248\u672c\u90fd\u8bd5\u8fc7\uff0c\u5747\u53ef\u6b63\u5e38\u7f16\u8bd1\u7684\u3002<br \/> <img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/common_img\/79fb0eff0ffb402ba97d25341811ead7.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 (https:\/\/mushiming.com\/) \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20\" title=\"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09 \u6280\u672f\u535a\u5ba2 \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n","protected":false},"excerpt":{"rendered":"C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd\uff08\u79c1\u85cf\u5927\u6570\u7ec4\u521d\u59cb\u5316\u65b9\u5f0f\uff09C\u8bed\u8a00\u7684\u4e8c\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u7684\u51e0\u79cd\u65b9\u5f0f\u4ecb\u7ecd1\u3001\u76f4\u63a5\u8d4b\u503c2\u3001\u5faa\u73af\u5bf9\u6bcf...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/337"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=337"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/337\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}