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(1, 0) \u2192 (2, 0) [M] \u2192 (2, 1) \u2192 (2, 2)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[M] \u8868\u793a\u673a\u5668\u4eba\u8bd5\u56fe\u8fdb\u5165\u4e00\u4e2a\u6709\u955c\u5b50\u7684\u683c\u5b50\u4f46\u88ab\u53cd\u5c04\u4e86\u3002<\/p>\n<p>\u9898\u76ee\u6765\u81ea\u529b\u62633665\u3002<\/p>\n<h2>\u7b97\u6cd5\u8fc7\u7a0b\u63cf\u8ff0<\/h2>\n<p>\u8be5\u7b97\u6cd5\u91c7\u7528\u52a8\u6001\u89c4\u5212&#xff0c;\u9010\u884c\u5904\u7406\u7f51\u683c&#xff0c;\u5e76\u7ef4\u62a4\u4e00\u4e2a\u72b6\u6001\u6570\u7ec4\u6765\u8bb0\u5f55\u5230\u8fbe\u5f53\u524d\u884c\u5404\u5217\u7684\u8def\u5f84\u6570\u3002\u5176\u6838\u5fc3\u5728\u4e8e\u901a\u8fc7\u4e24\u4e2a\u72b6\u6001\u6765\u533a\u5206\u673a\u5668\u4eba\u8fdb\u5165\u67d0\u4e2a\u683c\u5b50\u65f6\u7684\u79fb\u52a8\u65b9\u5411\u3002<\/p>\n<li>\n<p>\u521d\u59cb\u5316<\/p>\n<ul>\n<li>\u5b9a\u4e49\u6a21\u6570 mod &#061; 1_000_000_007 \u7528\u4e8e\u7ed3\u679c\u53d6\u6a21\u3002<\/li>\n<li>\u83b7\u53d6\u7f51\u683c\u7684\u5217\u6570 n\u3002<\/li>\n<li>\u521b\u5efa\u72b6\u6001\u6570\u7ec4 f&#xff0c;\u5176\u5927\u5c0f\u4e3a n&#043;1&#xff08;\u7d22\u5f15\u4ece0\u5230n&#xff09;\u3002\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u662f\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u6574\u6570\u7684\u6570\u7ec4 [2]int&#xff1a;\n<ul>\n<li>f[j][0] \u8868\u793a\u4ece\u4e0a\u65b9\u683c\u5b50\u79fb\u52a8\u5230\u5f53\u524d\u884c\u7b2c j \u5217&#xff08;\u5373\u4ece (i-1, j) \u5411\u4e0b\u79fb\u52a8&#xff09;\u7684\u7d2f\u8ba1\u8def\u5f84\u6570\u3002<\/li>\n<li>f[j][1] \u8868\u793a\u4ece\u5de6\u4fa7\u683c\u5b50\u79fb\u52a8\u5230\u5f53\u524d\u884c\u7b2c j \u5217&#xff08;\u5373\u4ece (i, j-1) \u5411\u53f3\u79fb\u52a8&#xff09;\u7684\u7d2f\u8ba1\u8def\u5f84\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u521d\u59cb\u5316\u8d77\u70b9 (0,0) \u7684\u72b6\u6001\u3002\u7531\u4e8e\u673a\u5668\u4eba\u8d77\u70b9\u5728 (0,0)&#xff0c;\u5e76\u4e14\u53ea\u80fd\u5411\u53f3\u6216\u5411\u4e0b\u79fb\u52a8&#xff0c;\u56e0\u6b64\u53ef\u4ee5\u7406\u89e3\u4e3a\u5b58\u5728\u4e00\u6761\u201c\u4ece\u4e0a\u65b9\u6765\u201d\u7684\u8def\u5f84\u548c\u4e00\u6761\u201c\u4ece\u5de6\u65b9\u6765\u201d\u7684\u8def\u5f84\u5230\u8fbe (0,0)&#xff08;\u5c3d\u7ba1\u903b\u8f91\u4e0a\u8d77\u70b9\u6ca1\u6709\u524d\u9a71&#xff09;\u3002\u4ee3\u7801\u901a\u8fc7\u5c06 f[1]&#xff08;\u5bf9\u5e94\u7b2c0\u5217&#xff09;\u521d\u59cb\u5316\u4e3a {1, 1} \u6765\u5de7\u5999\u5730\u8bbe\u5b9a\u521d\u59cb\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u904d\u5386\u7f51\u683c<\/p>\n<ul>\n<li>\u5916\u5c42\u5faa\u73af\u904d\u5386\u7f51\u683c\u7684\u6bcf\u4e00\u884c row\u3002<\/li>\n<li>\u5185\u5c42\u5faa\u73af\u904d\u5386\u5f53\u524d\u884c\u7684\u6bcf\u4e00\u4e2a\u683c\u5b50 (i, j)&#xff0c;\u5176\u503c\u4e3a x&#xff08;0\u62161&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u72b6\u6001\u8f6c\u79fb&#xff08;\u6838\u5fc3\u903b\u8f91&#xff09;<br \/>\n\u5bf9\u4e8e\u6bcf\u4e2a\u683c\u5b50 (i, j)&#xff0c;\u6839\u636e\u5176\u662f\u5426\u4e3a\u955c\u5b50&#xff08;x \u7684\u503c&#xff09;\u66f4\u65b0\u72b6\u6001 f[j&#043;1]&#xff08;\u56e0\u4e3a f \u7684\u7d22\u5f15\u4ece1\u5f00\u59cb&#xff0c;\u5bf9\u5e94\u7f51\u683c\u5217\u7d22\u5f150&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u60c5\u51b5\u4e00&#xff1a;\u5f53\u524d\u683c\u5b50\u662f\u7a7a\u683c (x &#061;&#061; 0)<\/p>\n<ul>\n<li>f[j&#043;1][0] \u66f4\u65b0&#xff08;\u6765\u81ea\u4e0a\u65b9\u7684\u8def\u5f84&#xff09;&#xff1a;\u5982\u679c\u673a\u5668\u4eba\u4ece\u4e0a\u65b9 (i-1, j) \u5411\u4e0b\u79fb\u52a8\u8fdb\u5165\u8fd9\u4e2a\u7a7a\u683c&#xff0c;\u5b83\u53ef\u4ee5\u7ee7\u7eed\u5411\u4e0b\u4e00\u4e2a\u683c\u5b50\u79fb\u52a8\u3002\u56e0\u6b64&#xff0c;\u5230\u8fbe\u6b64\u683c\u5b50\u7684\u8def\u5f84\u6570\u7b49\u4e8e\u4ece\u4e0a\u65b9\u5230\u8fbe\u5f53\u524d\u683c\u5b50\u7684\u8def\u5f84\u6570 f[j][0] \u52a0\u4e0a\u4ece\u5de6\u4fa7\u5230\u8fbe\u5f53\u524d\u683c\u5b50\u7684\u8def\u5f84\u6570 f[j&#043;1][1]&#xff08;\u56e0\u4e3a\u4ece\u5de6\u4fa7\u8fdb\u5165\u7a7a\u683c\u540e&#xff0c;\u65b9\u5411\u4e0d\u53d8&#xff0c;\u53ef\u4ee5\u7ee7\u7eed\u5411\u53f3\u6216\u5411\u4e0b&#xff0c;\u4f46\u8fd9\u91cc f[j&#043;1][1] \u5df2\u7ecf\u5305\u542b\u4e86\u4ece\u5de6\u4fa7\u5230\u8fbe (i, j) \u7684\u8def\u5f84\u4fe1\u606f&#xff0c;\u7528\u4e8e\u66f4\u65b0\u5f53\u524d\u72b6\u6001&#xff09;\u3002\u4ee3\u7801\u4e2d\u7684\u903b\u8f91\u662f f[j&#043;1][0] &#061; (f[j][0] &#043; f[j&#043;1][1]) % mod\u3002<\/li>\n<li>f[j&#043;1][1] \u66f4\u65b0&#xff08;\u6765\u81ea\u5de6\u4fa7\u7684\u8def\u5f84&#xff09;&#xff1a;\u5982\u679c\u673a\u5668\u4eba\u4ece\u5de6\u4fa7 (i, j-1) \u5411\u53f3\u79fb\u52a8\u8fdb\u5165\u8fd9\u4e2a\u7a7a\u683c&#xff0c;\u5176\u8def\u5f84\u6570\u4e0e\u4ece\u4e0a\u65b9\u8fdb\u5165\u7684\u60c5\u51b5\u76f8\u540c&#xff0c;\u56e0\u4e3a\u7a7a\u683c\u4e0d\u6539\u53d8\u65b9\u5411\u3002\u6240\u4ee5 f[j&#043;1][1] \u88ab\u8bbe\u7f6e\u4e3a\u4e0e f[j&#043;1][0] \u76f8\u540c\u7684\u503c\u3002<\/li>\n<li>\u7b80\u5355\u6765\u8bf4&#xff0c;\u5bf9\u4e8e\u7a7a\u683c&#xff0c;\u65e0\u8bba\u4ece\u54ea\u4e2a\u65b9\u5411\u8fdb\u5165&#xff0c;\u90fd\u80fd\u6b63\u5e38\u901a\u8fc7&#xff0c;\u56e0\u6b64\u5230\u8fbe\u8be5\u683c\u5b50\u7684\u8def\u5f84\u6570\u5408\u5e76\u4e86\u6765\u81ea\u4e0a\u65b9\u548c\u5de6\u4fa7\u7684\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u60c5\u51b5\u4e8c&#xff1a;\u5f53\u524d\u683c\u5b50\u662f\u955c\u5b50 (x &#061;&#061; 1)<\/p>\n<ul>\n<li>f[j&#043;1][0] \u66f4\u65b0&#xff08;\u6765\u81ea\u4e0a\u65b9\u7684\u8def\u5f84&#xff09;&#xff1a;\u5982\u679c\u673a\u5668\u4eba\u4ece\u4e0a\u65b9 (i-1, j) \u5411\u4e0b\u79fb\u52a8\u8bd5\u56fe\u8fdb\u5165\u8fd9\u4e2a\u955c\u5b50\u683c\u5b50&#xff0c;\u5b83\u4f1a\u88ab\u53cd\u5c04\u3002\u6839\u636e\u89c4\u5219&#xff0c;\u5411\u4e0b\u8fdb\u5165\u955c\u5b50\u4f1a\u88ab\u8f6c\u5411\u53f3&#xff0c;\u5e76\u79fb\u52a8\u5230\u955c\u5b50\u6b63\u53f3\u65b9\u7684\u683c\u5b50 (i, j&#043;1)\u3002\u5728\u52a8\u6001\u89c4\u5212\u7684\u72b6\u6001\u66f4\u65b0\u4e2d&#xff0c;\u8fd9\u4e2a\u53cd\u5c04\u52a8\u4f5c\u610f\u5473\u7740&#xff1a;\u539f\u672c\u8ba1\u5212\u5230\u8fbe\u955c\u5b50\u683c\u5b50 (i, j) \u7684\u8def\u5f84&#xff08;\u7531 f[j][0] \u8868\u793a&#xff09;&#xff0c;\u73b0\u5728\u5b9e\u9645\u4e0a\u88ab\u8f6c\u79fb\u5230\u4e86\u5176\u53f3\u4fa7\u7684\u683c\u5b50 (i, j&#043;1) \u7684\u201c\u6765\u81ea\u5de6\u4fa7\u7684\u8def\u5f84\u201d\u4e0a\u3002\u56e0\u6b64&#xff0c;\u4ee3\u7801\u4e2d f[j&#043;1][0] \u7684\u503c\u88ab\u66f4\u65b0\u4e3a f[j&#043;1][1]&#xff0c;\u53ef\u4ee5\u7406\u89e3\u4e3a\u5c06\u4e0a\u65b9\u6765\u7684\u8def\u5f84\u201c\u53e0\u52a0\u201d\u5230\u53f3\u4fa7\u683c\u5b50\u6765\u81ea\u5de6\u4fa7\u7684\u8def\u5f84\u4e0a\u3002<\/li>\n<li>f[j&#043;1][1] \u66f4\u65b0&#xff08;\u6765\u81ea\u5de6\u4fa7\u7684\u8def\u5f84&#xff09;&#xff1a;\u5982\u679c\u673a\u5668\u4eba\u4ece\u5de6\u4fa7 (i, j-1) \u5411\u53f3\u79fb\u52a8\u8bd5\u56fe\u8fdb\u5165\u8fd9\u4e2a\u955c\u5b50\u683c\u5b50&#xff0c;\u5b83\u4f1a\u88ab\u53cd\u5c04\u3002\u6839\u636e\u89c4\u5219&#xff0c;\u5411\u53f3\u8fdb\u5165\u955c\u5b50\u4f1a\u88ab\u8f6c\u5411\u4e0b&#xff0c;\u5e76\u79fb\u52a8\u5230\u955c\u5b50\u6b63\u4e0b\u65b9\u7684\u683c\u5b50 (i&#043;1, j)\u3002\u5728\u72b6\u6001\u66f4\u65b0\u4e2d&#xff0c;\u8fd9\u4e2a\u53cd\u5c04\u52a8\u4f5c\u610f\u5473\u7740&#xff1a;\u539f\u672c\u8ba1\u5212\u5230\u8fbe\u955c\u5b50\u683c\u5b50 (i, j) \u7684\u8def\u5f84&#xff08;\u7531 f[j&#043;1][1] \u8868\u793a&#xff09;&#xff0c;\u73b0\u5728\u5b9e\u9645\u4e0a\u88ab\u8f6c\u79fb\u5230\u4e86\u5176\u4e0b\u65b9\u683c\u5b50\u3002\u7531\u4e8e\u7b97\u6cd5\u662f\u9010\u884c\u5904\u7406\u7684&#xff0c;\u5728\u8ba1\u7b97\u5f53\u524d\u884c\u65f6&#xff0c;\u4e0b\u65b9\u683c\u5b50\u7684\u72b6\u6001\u5c1a\u672a\u66f4\u65b0\u3002\u56e0\u6b64&#xff0c;\u8fd9\u91cc\u7684\u66f4\u65b0 f[j&#043;1][1] &#061; f[j][0] \u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u79cd\u72b6\u6001\u4f20\u9012\u6216\u8bb0\u5f55&#xff0c;\u786e\u4fdd\u5728\u540e\u7eed\u5904\u7406\u4e2d\u80fd\u6b63\u786e\u8ba1\u7b97\u53cd\u5c04\u6548\u679c\u3002\u66f4\u51c6\u786e\u5730\u8bf4&#xff0c;\u5b83\u8bb0\u5f55\u4e86\u7531\u4e8e\u53cd\u5c04&#xff0c;\u4ece\u5de6\u4fa7\u6765\u7684\u8def\u5f84\u5982\u4f55\u5f71\u54cd\u4e0b\u65b9\u683c\u5b50\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u955c\u5b50\u683c\u5b50\u7684\u72b6\u6001\u8f6c\u79fb\u662f\u7b97\u6cd5\u6700\u5de7\u5999\u7684\u90e8\u5206&#xff0c;\u5b83\u901a\u8fc7\u4ea4\u6362\u548c\u53e0\u52a0\u72b6\u6001\u6765\u6a21\u62df\u53cd\u5c04\u884c\u4e3a&#xff0c;\u907f\u514d\u4e86\u663e\u5f0f\u5730\u8ffd\u8e2a\u53cd\u5c04\u8df3\u8f6c\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd4\u56de\u7ed3\u679c<\/p>\n<ul>\n<li>\u5f53\u6240\u6709\u884c\u548c\u5217\u90fd\u5904\u7406\u5b8c\u6bd5\u540e&#xff0c;\u72b6\u6001\u6570\u7ec4 f \u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20 f[n][0] \u5b58\u50a8\u7684\u5c31\u662f\u4ece\u8d77\u70b9 (0,0) \u5230\u8fbe\u7ec8\u70b9 (m-1, n-1) \u7684\u6240\u6709\u4e0d\u540c\u6709\u6548\u8def\u5f84\u6570&#xff0c;\u5e76\u5bf9 mod \u53d6\u6a21\u540e\u7684\u7ed3\u679c\u3002\u8fd9\u91cc\u53d6 f[n][0] \u662f\u56e0\u4e3a\u5230\u8fbe\u7ec8\u70b9\u901a\u5e38\u53ef\u4ee5\u7406\u89e3\u4e3a\u662f\u4ece\u4e0a\u65b9&#xff08;\u5373\u7ec8\u70b9\u6240\u5728\u884c\u7684\u4e0a\u4e00\u884c&#xff09;\u79fb\u52a8\u4e0b\u6765\u7684\u6700\u540e\u4e00\u6b65\u3002<\/li>\n<\/ul>\n<\/li>\n<h2>\u590d\u6742\u5ea6\u5206\u6790<\/h2>\n<ul>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;\u7b97\u6cd5\u9700\u8981\u904d\u5386\u7f51\u683c\u4e2d\u7684\u6bcf\u4e2a\u683c\u5b50\u4e00\u6b21&#xff0c;\u603b\u5171\u904d\u5386 m * n \u4e2a\u683c\u5b50\u3002\u6bcf\u4e2a\u683c\u5b50\u7684\u5904\u7406\u90fd\u662f\u5e38\u6570\u65f6\u95f4\u7684\u64cd\u4f5c\u3002\u56e0\u6b64&#xff0c;\u603b\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a O(m * n)\u3002<\/li>\n<li>\u7a7a\u95f4\u590d\u6742\u5ea6&#xff1a;\u7b97\u6cd5\u4f7f\u7528\u4e86\u4e00\u4e2a\u5927\u5c0f\u4e3a n&#043;1 \u7684\u72b6\u6001\u6570\u7ec4 f&#xff0c;\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u662f\u4e24\u4e2a\u6574\u6570\u3002\u8fd9\u4e2a\u6570\u7ec4\u7684\u5927\u5c0f\u53ea\u4e0e\u5217\u6570 n \u6709\u5173&#xff0c;\u4e0e\u884c\u6570 m \u65e0\u5173\u3002\u56e0\u6b64&#xff0c;\u603b\u7684\u989d\u5916\u7a7a\u95f4\u590d\u6742\u5ea6\u4e3a O(n)\u3002<\/li>\n<\/ul>\n<h2>Go\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/h2>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n<span class=\"token string\">&#034;fmt&#034;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">uniquePaths<\/span><span class=\"token punctuation\">(<\/span>grid <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span>ans <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">const<\/span> mod <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1_000_000_007<\/span><br \/>\nn <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\nf <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\nf<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token boolean\">_<\/span><span class=\"token punctuation\">,<\/span> row <span class=\"token operator\">:&#061;<\/span> <span class=\"token keyword\">range<\/span> grid <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">for<\/span> j<span class=\"token punctuation\">,<\/span> x <span class=\"token operator\">:&#061;<\/span> <span class=\"token keyword\">range<\/span> row <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span> x <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">{<\/span><br \/>\nf<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/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 operator\">%<\/span> mod<br \/>\nf<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\nf<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\nf<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">return<\/span> f<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\ngrid <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/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 punctuation\">,<\/span> <span class=\"token number\">0<\/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><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><br \/>\nresult <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">uniquePaths<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">)<\/span><br \/>\nfmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129005706-697ab062940ba.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>Python\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/h2>\n<p><span class=\"token comment\"># -*-coding:utf-8-*-<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">uniquePaths<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    MOD <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1_000_000_007<\/span><br \/>\n    n <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    f <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">for<\/span> _ <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    f<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> row <span class=\"token keyword\">in<\/span> grid<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> j<span class=\"token punctuation\">,<\/span> x <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">enumerate<\/span><span class=\"token punctuation\">(<\/span>row<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> x <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/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 operator\">%<\/span> MOD<br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> f<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\"># \u6d4b\u8bd5\u4ee3\u7801<\/span><br \/>\n<span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;__main__&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    grid <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/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 punctuation\">,<\/span> <span class=\"token number\">0<\/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><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> uniquePaths<span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span>  <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129005707-697ab06309d70.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>C&#043;&#043;\u5b8c\u6574\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/h2>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">uniquePaths<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&amp;<\/span> grid<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> MOD <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1&#039;000&#039;000&#039;007<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> grid<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token generic-function\"><span class=\"token function\">vector<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    f<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    f<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> row <span class=\"token operator\">:<\/span> grid<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;<\/span> n<span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> x <span class=\"token operator\">&#061;<\/span> row<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/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 operator\">%<\/span> MOD<span class=\"token punctuation\">;<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                f<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> f<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> f<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> grid <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">uniquePaths<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    cout <span class=\"token operator\">&lt;&lt;<\/span> result <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8f93\u51fa\u7ed3\u679c<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129005707-697ab06351e90.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2026-01-29&#xff1a;\u7edf\u8ba1\u955c\u5b50\u53cd\u5c04\u8def\u5f84\u6570\u76ee\u3002\u7528go\u8bed\u8a00&#xff0c;\u7ed9\u5b9a\u4e00\u4e2a\u5927\u5c0f\u4e3a m \u00d7 n \u7684\u4e8c\u503c\u7f51\u683c grid&#xff08;0 \u8868\u793a\u7a7a\u683c&#xff0c;1 \u8868\u793a\u955c\u5b50&#xff09;\u3002\u673a\u5668\u4eba\u4ece\u5de6\u4e0a\u89d2 (0,0) \u51fa\u53d1&#xff0c;\u76ee\u6807\u662f\u5230\u8fbe\u53f3\u4e0b\u89d2 (m\u22121,n\u22121)\u3002\u673a\u5668\u4eba\u6bcf\u6b65\u53ea\u80fd\u5411\u53f3\u6216\u5411\u4e0b\u79fb\u52a8&#xff0c;\u4f46\u5982\u679c\u51c6\u5907\u8fdb\u5165\u7684\u683c\u5b50\u91cc\u6709\u955c\u5b50&#xff0c;\u5b83\u4e0d\u4f1a\u76f4\u63a5\u8fdb\u5165&#xff0c;\u800c\u662f\u5728\u8fdb\u5165\u524d\u88ab\u201c\u53cd\u5c04\u201d\u6539\u6362\u65b9\u5411\u5e76\u8df3\u5230\u955c\u5b50\u76f8\u5e94\u4e00\u683c\u4e4b\u5916\u7684\u4f4d\u7f6e&amp;#xff1<\/p>\n","protected":false},"author":2,"featured_media":67844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[746,384],"topic":[],"class_list":["post-67847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-golang","tag-384"],"yoast_head":"<!-- This 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