{"id":68253,"date":"2026-01-29T23:25:28","date_gmt":"2026-01-29T15:25:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68253.html"},"modified":"2026-01-29T23:25:28","modified_gmt":"2026-01-29T15:25:28","slug":"leetcode%e5%88%b7%e9%a2%98%e4%b9%8b%e8%bd%ae%e8%bd%ac%e6%95%b0%e7%bb%84%e7%9a%84%e4%b8%89%e5%a4%a7%e8%a7%a3%e6%b3%95%e5%8f%8a%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68253.html","title":{"rendered":"leetcode\u5237\u9898\u4e4b\u8f6e\u8f6c\u6570\u7ec4\u7684\u4e09\u5927\u89e3\u6cd5\u53ca\u5bf9\u6bd4"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u65b9\u6cd51：\u66b4\u529b\u9006\u7f6e<\/font><\/p>\n

\/\/\u8f6e\u8f6ck\u4e2a\u4f4d\u7f6e，\u5c31\u662f\u8bf4\u660e\u6bcf\u4e2a\u5143\u7d20\u90fd\u5e73\u5747\u5411\u540e\u79fb\u52a8\u4e86K\u6b21，\u603b\u5171\u79fb\u52a8\u6b21\u6570\u7b49\u4e8e\u5143\u7d20\u4e2a\u6570*k<\/p>\n

\/\/\u89e3\u6cd51，\u8bbe\u6570\u7ec4\u5143\u7d20\u4e3a1,2,3,4,5，\u5f53k\u4e3a3\u65f6，5\u4e2a\u5143\u7d20\u79fb\u52a81\u6b21\u53d8\u6210：5，1,2,3,4；\u79fb\u52a8\u7b2c2\u6b21\u53d8\u6210：4,5,1,2,3
\n\/\/\u79fb\u52a8\u7b2c3\u6b21\u53d8\u6210：3,4,5,1,2，\u5373\u79fb\u52a8\u4e00\u6b21，\u76f8\u5f53\u4e8e\u6240\u6709\u6570\u7ec4\u5143\u7d20\u90fd\u79fb\u52a8\u4e86\u4e00\u6b21，\u603b\u79fb\u52a8\u4e865\u6b21；\u79fb\u52a8\u7b2c\u4e8c\u6b21，\u76f8\u5f53\u4e8e\u6240\u6709\u6570\u7ec4\u5143\u7d20\u79fb\u52a8\u4e86\u4e00\u6b21，\u52a0\u4e0a\u524d\u4e00\u6b21\u79fb\u52a8\u7684，\u603b\u79fb\u52a810\u6b21；\u79fb\u52a8\u7b2c\u4e09\u6b21，\u76f8\u5f53\u4e8e\u6240\u6709\u6570\u7ec4\u5143\u7d20\u79fb\u52a8\u4e86\u4e00\u6b21，\u52a0\u4e0a\u524d\u4e00\u6b21\u79fb\u52a8\u7684，\u603b\u79fb\u52a815\u6b21，\u5f97\u51fa\u603b\u7684\u5faa\u73af\u4e2d\u6267\u884c\u6b21\u6570\u7b49\u4e8e\u79fb\u52a8\u6b21\u6570\u7b49\u4e8ekn,\u5373\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao(kn)=o(n)<\/p>\n

\/\/\u5f53k\u8fdc\u5c0f\u4e8en\u65f6，\u6bd4\u5982k\u662f\u5e38\u6570，\u90a3\u4e48k\u53ef\u4ee5\u7701\u7565，\u65f6\u95f4\u590d\u6742\u5ea6\u53d8\u4e3aO(n);\u5f53k\u63a5\u8fd1n\u65f6，\u6bd4\u5982k=(n-1),\u65f6\u95f4\u590d\u6742\u5ea6\u53d8\u4e3a
\n\/\/o(（n-1）*n),(n-1)*n==n\u65b9\u51cfn,\u800c\u5927O\u4e0d\u5173\u5fc3\u5177\u4f53\u503c，\u53ea\u5173\u5fc3\u4f30\u7b97，\u6240\u4ee5\u5f53n\u4e3a1000000\u65f6，\u5e73\u65b9\u4e3a 10000
\n0000,n\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1，\u6240\u4ee5\u5927o\u91cc\u9762\u7559\u4e0b\u4e86（n\u65b9），\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao（n\u7684\u5e73\u65b9）（，\u6267\u884c\u6b21\u6570n\u8d8a\u5927，\u6548\u7387\u8d8a\u4f4e）<\/p>\n

\/\/\u5f53k\u7b49\u4e8en\u65f6，\u6216\u8005\u8bf4k%n=0,\u90a3\u4e48\u5c31\u76f8\u5f53\u4e8e1\u6b21\u4e5f\u6ca1\u8f6e\u8f6c\u5c31\u89e3\u51b3\u4e86\u95ee\u9898，n\u8d8a\u5927，\u8f6e\u8f6c\u6b21\u6570\u8ba4\u4e3a0，\u6548\u7387\u4e0d\u53d8，\u56e0\u4e3ak%n==0,\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao(1)<\/p>\n

\u73b0\u5728\u7528\u7684\u7b97\u6cd5\u6700\u574f\u60c5\u51b5\u8fbe\u5230o(n\u65b9)，\u6700\u597d\u60c5\u51b5o(1),\u6781\u5176\u4e0d\u7a33\u5b9a，\u5230\u8fbeo(n\u65b9\u65f6)，\u6548\u7387\u975e\u5e38\u4f4e\u4e0b，\u5177\u4f53\u4ee3\u7801\u5982\u4e0b<\/font><\/p>\n

k = k % numsSize;
\n\/\/\u5f53k<numsSize,\u4f8b\u59823<7;\u5219k=3%7=3,\u8ddf\u9898\u76ee\u8981\u6c42\u7684\u4e09\u4e00\u6837，\u63a5\u7740\u5f80\u4e0b\u4ea4\u6362；k>numsSize,10>7,\u5219k=10%7=3，
\n\u4e5f\u8ddf\u9898\u76ee\u8981\u6c42\u7684\u4e09\u4e00\u6837；
\n\/\/\u63a5\u7740\u5f80\u4e0b\u4ea4\u6362；\u53ea\u6709\u7279\u6b8a\u60c5\u51b5，k==numsSize, 7==7\u65f6，\u53ef\u4ee5\u4e0d\u4ea4\u6362，\u76f4\u63a5\u63d0\u524d\u9000\u51fa\u7a0b\u5e8f
\nif (k == numsSize)
\n{
\n return;
\n}
\nint i = 0;
\nint j = 0;
\nint N = numsSize – 1;\/\/N\u662f\u6570\u7ec4\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807
\nfor (i = 0; i < k; i++)
\n{
\n int num = nums[N];
\n for (j = N – 1; j >= 0; j–)\/\/\u8981\u60f3\u4ece\u524d\u5f80\u540e\u8d4b\u503c\u5e76\u4fdd\u8bc1\u6570\u636e\u6700\u540e\u5b8c\u6574，\u5219\u8981\u4ece\u5012\u6570\u7b2c\u4e8c\u4e2a\u4e0b\u6807\u5f00\u59cb，\u5012\u6570\u7b2c\u4e8c\u4e2a\u4e0b\u6807
\n \u8d4b\u7ed9\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\u503c\u91cc\u7684\u6570\u636e，\u63a5\u7740\u5012\u6570\u7b2c\u4e09\u4e2a\u4e0b\u6807\u8d4b\u7ed9\u5012\u6570\u7b2c\u4e8c\u4e2a\u4e0b\u6807\u91cc\u7684\u6570\u636e
\n {
\n nums[j + 1] = nums[j];<\/p>\n

}
\n nums[0] = num;
\n}<\/p>\n

\u65b9\u6cd52：\u6700\u4f18\u89e3\u6cd5：\u4e09\u6bb5\u9006\u7f6e<\/font>
\nvoid rotate(int* nums, int numsSize, int k)
\n{<\/p>\n

\/\/\u5148\u9006\u8f6c\u6570\u7ec4\u7684\u5168\u90e8\u5143\u7d20，\u4f7f\u6570\u7ec4\u5b8c\u5168\u5012\u8fc7\u6765，\u4f8b\u5982：1，2,3,4,5;\u7b2c\u4e00\u6bb5\u9006\u7f6e\u7ed3\u679c：5，4,3,2,1；\u7b2c\u4e8c\u6bb5\u9006\u8f6c，
\n\u9006\u8f6c\u6570\u7ec4\u7684\u524dk\u4e2a\u4f4d\u7f6e；\u7b2c\u4e09\u6bb5\u9006\u8f6c，\u9006\u8f6c\u6570\u7ec4\u7684\u540en-k\u4e2a\u4f4d\u7f6e<\/p>\n

\u7b2c\u4e00\u6bb5\u9006\u8f6c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao(n):\u9006\u8f6cnumsSize\/n\u4e2a\u6570\u7ec4\u5143\u7d20；\u7b2c\u4e8c\u6bb5\u9006\u8f6c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao(k):\u9006\u8f6c\u6570\u7ec4\u524dk\u4e2a\u5143\u7d20；\u7b2c\u4e09\u6bb5\u9006\u8f6c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3ao(n-k)，\u9006\u8f6c\u6570\u7ec4\u540en-k\u4e2a\u5143\u7d20\u3002\u628a\u65f6\u95f4\u590d\u6742\u5ea6\u76f8\u52a0，\u5f97\u5230o(n+k+n-k)=o(2n)=o(n),\u5373\u89e3\u6cd52\u7684\u6548\u7387\u8fdc\u5927\u4e8e\u89e3\u6cd51<\/font><\/p>\n

\/\/\u5148\u7b2c\u4e00\u6bb5\u9006\u8f6c
\nk = k % numsSize;\/\/\u8fd9\u91cc\u8ba9k\u53bb\u53d6\u4f59，\u6709\u4e24\u4e2a\u76ee\u7684，\u2460\u82e5k\u5927\u4e8e\u6570\u7ec4\u5143\u7d20\u4e2a\u6570，\u5219K\u5bf9\u6570\u7ec4\u4e2a\u6570\u53d6\u4f59\u5f97\u5230\u771f\u6b63\u8981\u9006\u8f6c\u6570\u7ec4\u7684\u6b21\u6570
\n\/\/\u2461.\u82e5k==\u6570\u7ec4\u5143\u7d20\u4e2a\u6570，\u5219\u4e0d\u9700\u8981\u9006\u8f6c\u6570\u7ec4，\u76f4\u63a5\u8fd4\u56de
\nif (k == numsSize)
\n{
\nreturn;
\n}
\n\/\/\u5426\u5219k\u5927\u4e8enumsSize\u6216\u5c0f\u4e8enumsSize\u7684\u60c5\u51b5\u90fd\u8981\u4e09\u6b21\u9006\u8f6c
\nint i = 0;
\nint N = numsSize – 1;\/\/N\u662f\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u4e0b\u6807
\nint left = 0;
\nint right = N;
\nwhile (left < right)
\n{
\nint temp = nums[left];
\nnums[left] = nums[right];
\nnums[right] = temp;
\nleft++;
\nright\u2013;<\/p>\n

}
\nleft = 0;
\nright = k – 1;<\/p>\n

\/\/\u63a5\u7740\u7b2c\u4e8c\u6bb5\u9006\u8f6c
\n\/\/\u6ce8\u610fleft，right\u51fa\u4e86\u5faa\u73af\u7684\u503c\u4e0d\u4f1a\u6d88\u5931，\u4f1a\u4fdd\u7559\u5faa\u73af\u91cc\u9762\u8ba1\u7b97\u53d8\u5316\u800c\u6765\u7684\u503c，\u800c\u662f\u51fa\u4e86main\u51fd\u6570，\u503c\u624d\u4f1a\u6d88\u5931，\u6240\u4ee5\u6bcf\u6b21
\n\/\/\u5faa\u73af\u7528left,right ,left，right\u5fc5\u987b\u66f4\u65b0，\u91cd\u65b0\u8d4b\u503c，\u4e0d\u80fd\u7528\u65e7\u503c
\nwhile (left < right)
\n{
\n int temp = nums[left];
\n nums[left] = nums[right];
\n nums[right] = temp;
\n left++;
\n right–;<\/p>\n

}<\/p>\n

\/\/\u7b2c\u4e09\u6bb5\u9006\u8f6c
\nleft = k;
\nright = N;
\nwhile (left < right)
\n{
\n int temp = nums[left];
\n nums[left] = nums[right];
\n nums[right] = temp;
\n left++;
\n right–;<\/p>\n

}<\/p>\n

\u65b9\u6cd53：\u6570\u7ec4\u62f7\u8d1d<\/font>
\n\/\/\u65cb\u8f6c\u6570\u7ec4\u65b9\u6cd5\u4e09：\u6570\u7ec4\u62f7\u8d1d，\u7528memcpy\u5185\u5b58\u62f7\u8d1d\u51fd\u6570：\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u76ee\u7684\u5730\u5740，\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8981\u62f7\u8d1d\u7684\u6570\u636e\u7684\u9996\u5730\u5740，\u7b2c\u4e09\u4e2a\u53c2\u6570\u8981\u62f7\u8d1d\u591a\u5c11\u4e2a\u5b57\u8282\u6570<\/p>\n

\u9996\u5148，\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4，\u7528\u53d8\u957f\u6570\u7ec4，\u90a3\u4e48\u7a7a\u95f4\u590d\u6742\u5ea6（\u4e3a\u89e3\u51b3\u95ee\u9898\u6240\u5f00\u8f9f\u7684\u53d8\u91cf\u4e2a\u6570）\u5c31\u4e3ao(n),\u65f6\u95f4\u590d\u6742\u5ea6\u6267\u884c\u62f7\u8d1d3\u6b21o(k+n-k+n)=o(n)，\u89e3\u6cd5\u4e09\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u548c\u89e3\u6cd52\u4e00\u6837\u662fo(n),\u6548\u7387\u8fdc\u9ad8\u4e8e\u89e3\u6cd51，\u4f46\u662f\u89e3\u6cd5\u4e09\u7684\u7a7a\u95f4\u590d\u6742\u5ea6\u6bd4\u89e3\u6cd5\u4e8c\u5927，\u6d88\u8017\u7684\u7a7a\u95f4\u66f4\u5927\u4e00\u4e9b，\u6240\u4ee5\u89e3\u6cd5\u4e8c\u662f\u6700\u4f18\u89e3\u6cd5<\/font><\/p>\n

\/\/\u601d\u8def，\u521b\u5efa\u65b0\u6570\u7ec4，\u5c06\u65e7\u6570\u7ec4\u91cc\u7684\u540ek\u4e2a\u5143\u7d20（\u4e0b\u6807\u4ecen-k\u5f00\u59cb）\u5148\u62f7\u8d1d\u5230\u65b0\u6570\u7ec4\u91cc\u9762，\u7136\u540e\u5c06\u65e7\u6570\u7ec4\u91cc\u7684\u524dn-k（\u4e0b\u6807\u4ece\u65e7\u6570
\n\u7ec4\u9996\u5143\u7d20\u5730\u5740\u5f00\u59cb）\u4e2a\u5143\u7d20\u62f7\u8d1d\u5230\u65b0\u6570\u7ec4\u540e\u9762，\u6700\u540e\u5c06\u65b0\u6570\u7ec4\u7684\u9996\u5730\u5740\u5f00\u59cb\u628a\u6240\u6709\u5143\u7d20\u62f7\u8d1d\u5230\u65e7\u6570\u7ec4\u91cc\u5b8c\u6210\u66ff\u6362\u6570\u7ec4<\/p>\n

k = k % numsSize;
\nif (k == numsSize)
\n{
\nreturn;
\n}
\nint emp[numsSize];
\nmemcpy(emp, nums + (numsSize – k), sizeof(int) * k);
\nmemcpy(emp + k, nums, sizeof(int) * (numsSize – k));
\nmemcpy(nums, emp, sizeof(int) * numsSize);<\/p>\n","protected":false},"excerpt":{"rendered":"

\u65b9\u6cd51：\u66b4\u529b\u9006\u7f6e
\n\/\/\u8f6e\u8f6ck\u4e2a\u4f4d\u7f6e，\u5c31\u662f\u8bf4\u660e\u6bcf\u4e2a\u5143\u7d20\u90fd\u5e73\u5747\u5411\u540e\u79fb\u52a8\u4e86K\u6b21，\u603b\u5171\u79fb\u52a8\u6b21\u6570\u7b49\u4e8e\u5143\u7d20\u4e2a\u6570*k\/\/\u89e3\u6cd51，\u8bbe\u6570\u7ec4\u5143\u7d20\u4e3a1,2,3,4,5，\u5f53k\u4e3a3\u65f6，5\u4e2a\u5143\u7d20\u79fb\u52a81\u6b21\u53d8\u6210：5，1,2,3,4；\u79fb\u52a8\u7b2c2\u6b21\u53d8\u6210：4,5,1,2,3
\n\/\/\u79fb\u52a8\u7b2c3\u6b21\u53d8\u6210：3,4,5,1,2，\u5373\u79fb\u52a8\u4e00\u6b21，\u76f8\u5f53\u4e8e\u6240\u6709<\/p>\n","protected":false},"author":2,"featured_media":68252,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2692,427],"topic":[],"class_list":["post-68253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-leetcode","tag-427"],"yoast_head":"\nleetcode\u5237\u9898\u4e4b\u8f6e\u8f6c\u6570\u7ec4\u7684\u4e09\u5927\u89e3\u6cd5\u53ca\u5bf9\u6bd4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/68253.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"leetcode\u5237\u9898\u4e4b\u8f6e\u8f6c\u6570\u7ec4\u7684\u4e09\u5927\u89e3\u6cd5\u53ca\u5bf9\u6bd4 - 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