{"id":1136,"date":"2026-04-09T16:33:57","date_gmt":"2026-04-09T08:33:57","guid":{"rendered":"http:\/\/www.bracku.com\/?p=1136"},"modified":"2026-04-14T09:58:45","modified_gmt":"2026-04-14T01:58:45","slug":"%e8%93%9d%e6%a1%a5%e6%9d%af-java-%e4%ba%8c%e7%ad%89%e5%a5%96%e8%8e%b7%e5%8f%96%e6%96%b9%e5%bc%8f%ef%bc%88%e6%8a%95%e6%9c%ba%e5%8f%96%e5%b7%a7%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.bracku.com\/?p=1136","title":{"rendered":"\u84dd\u6865\u676f Java \u4e8c\u7b49\u5956\u83b7\u53d6\u65b9\u5f0f\uff08\u6295\u673a\u53d6\u5de7\uff09"},"content":{"rendered":"\n

Java C \u7ec4\u4e8c\u7b49\u5956\u975e\u5e38\u6c34\uff0c\u53ea\u8981\u524d 4\uff5e5 \u9898\u57fa\u672c\u505a\u5bf9\uff0c\u540e\u9762\u4e71\u9a97\u5206\uff0c\u57fa\u672c\u5fc5\u62ff\u4e8c\u7b49\u5956<\/strong>\u3002<\/p>\n\n\n\n

\u4f60\u4e0d\u9700\u8981\uff1a\u52a8\u6001\u89c4\u5212\u3001\u6df1\u641c\u5e7f\u641c\u3001\u56fe\u8bba\u3001\u590d\u6742\u6570\u636e\u7ed3\u6784\u3002<\/p>\n\n\n\n

\u4e00\u3001\u8003\u573a\u6700\u6295\u673a\u7b56\u7565\uff08\u76f4\u63a5\u7167\u6284\u6267\u884c\uff09<\/h1>\n\n\n\n
    \n
  1. \u524d 3 \u9898\u5fc5\u987b\u6ee1\u5206<\/strong>\u5168\u662f\u7b7e\u5230\u9898\uff1a\u5faa\u73af\u3001\u5b57\u7b26\u4e32\u3001\u7b80\u5355\u6570\u5b66\u3001\u6570\u7ec4\u904d\u5386\u3002\u53ea\u8981\u4f1a\u5199 for\u3001if\u3001\u6570\u7ec4\uff0c\u5c31\u80fd\u62ff\u6ee1\u3002<\/li>\n\n\n\n
  2. \u4e2d\u95f4 2 \u9898\u66b4\u529b\u786c\u5199<\/strong>\u54ea\u6015\u65f6\u95f4\u590d\u6742\u5ea6\u518d\u9ad8\uff0cJava \u5c0f\u6570\u636e\u90fd\u80fd\u8dd1\u8fc7\u3002\u80fd\u8fc7\u51e0\u4e2a\u6837\u4f8b\u5c31\u62ff\u51e0\u5206\uff0c\u4e0d\u8ffd\u6c42\u5b8c\u7f8e\u3002<\/li>\n\n\n\n
  3. \u6700\u540e\u96be\u9898\u4e00\u5f8b\u9a97\u5206<\/strong>\u4e0d\u4f1a\u5c31\uff1a\n
      \n
    • \u76f4\u63a5\u8f93\u51fa\u6837\u4f8b\u7b54\u6848<\/li>\n\n\n\n
    • \u8f93\u51fa 0 \/ 1 \/-1<\/li>\n\n\n\n
    • \u53ea\u5904\u7406\u9898\u76ee\u7ed9\u7684\u5c0f\u4f8b\u5b50\u7a7a\u7740 = 0 \u5206\uff0c\u4e71\u5199\u81f3\u5c11\u6709\u5206\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

      \u4e8c\u3001Java C \u7ec4\u5fc5\u80cc\u6295\u673a\u6a21\u677f\uff08\u76f4\u63a5\u80cc\uff09<\/h1>\n\n\n\n

      1. \u8f93\u5165\u8f93\u51fa\uff08\u6700\u5feb\u5199\u6cd5\uff09<\/h2>\n\n\n\n

      java<\/p>\n\n\n\n

      \u8fd0\u884c<\/p>\n\n\n\n

      import java.util.*;\npublic class Main {\n    public static void main(String[] args) {\n        Scanner sc = new Scanner(System.in);\n        \/\/ \u6240\u6709\u9898\u90fd\u8fd9\u4e48\u5199\n        int n = sc.nextInt();\n        System.out.println(ans);\n    }\n}\n<\/code><\/pre>\n\n\n\n
      \u8003\u8bd5\u5168\u7a0b\u7528\u8fd9\u4e2a\uff0c\u522b\u641e\u82b1\u91cc\u80e1\u54e8\u7684\u3002<\/p>\n\n\n\n
      2. \u66b4\u529b\u679a\u4e3e\u4e07\u80fd\u6a21\u677f<\/h2>\n\n\n\n
      java<\/p>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      for(int i=0; i<n; i++){\n    for(int j=0; j<n; j++){\n        \/\/ \u5224\u65ad\u6761\u4ef6\n        if(...) System.out.println(...);\n    }\n}\n<\/code><\/pre>\n\n\n\n
      C \u7ec4\u4e00\u534a\u9898\u90fd\u80fd\u9760\u53cc\u5c42\u5faa\u73af\u66b4\u529b\u8fc7\u3002<\/p>\n\n\n\n
      3. \u5b57\u7b26\u4e32\u5904\u7406\uff08\u5fc5\u8003\uff09<\/h2>\n\n\n\n
      java<\/p>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      String s = sc.next();\nchar[] c = s.toCharArray();\nfor(int i=0; i<s.length(); i++){\n    \/\/ \u7edf\u8ba1\u3001\u53cd\u8f6c\u3001\u5224\u65ad\n}\n<\/code><\/pre>\n\n\n\n
      4. \u6700\u5927\u516c\u7ea6\u6570 gcd\uff08\u9ad8\u9891\uff09<\/h2>\n\n\n\n
      java<\/p>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      static int gcd(int a, int b){\n    return b==0 ? a : gcd(b,a%b);\n}\n<\/code><\/pre>\n\n\n\n
      5. \u5224\u65ad\u8d28\u6570<\/h2>\n\n\n\n
      java<\/p>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      static boolean isPrime(int n){\n    if(n<2) return false;\n    for(int i=2; i*i<=n; i++)\n        if(n%i==0) return false;\n    return true;\n}\n<\/code><\/pre>\n\n\n\n
      6. \u6253\u8868\u9a97\u5206\u6cd5\uff08\u6700\u6295\u673a\uff09<\/h2>\n\n\n\n
      \u9898\u76ee\u7ed9\u4e86\u6837\u4f8b\uff0c\u4f60\u4e0d\u4f1a\u505a\u5c31\uff1a<\/p>\n\n\n\n
      java<\/p>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      if(n==\u6837\u4f8b\u8f93\u5165) System.out.println(\u6837\u4f8b\u8f93\u51fa);\nelse System.out.println(0);\n<\/code><\/pre>\n\n\n\n
      \u81f3\u5c11\u62ff\u90e8\u5206\u5206\u3002<\/p>\n\n\n\n
      \u4e09\u3001\u65f6\u95f4\u5206\u914d\uff08\u6295\u673a\u6838\u5fc3\uff09<\/h1>\n\n\n\n
        \n
      • \u524d 3 \u9898\uff1a30 \u5206\u949f\u5185\u641e\u5b9a\uff0c\u5fc5\u987b\u5168\u5bf9<\/strong><\/li>\n\n\n\n
      • \u4e2d\u95f4 2 \u9898\uff1a\u5404 20 \u5206\u949f\uff0c\u66b4\u529b\u5199<\/li>\n\n\n\n
      • \u6700\u540e\u96be\u9898\uff1a\u6bcf\u9898 5 \u5206\u949f\u9a97\u5206\uff0c\u7edd\u4e0d\u6b7b\u78d5<\/li>\n\n\n\n
      • \u5269\u4e0b\u65f6\u95f4\u68c0\u67e5\u524d 3 \u9898\uff0c\u4e0d\u4e22\u7b80\u5355\u5206 = \u4e8c\u7b49\u5956<\/strong><\/li>\n<\/ul>\n\n\n\n
        \u56db\u3001\u4f60\u73b0\u5728\u53ea\u9700\u8981\u5237\u8fd9\u4e9b\u9898<\/h1>\n\n\n\n
        \u8fd1 5 \u5e74\u771f\u9898\u91cc\u53ea\u505a\uff1a<\/p>\n\n\n\n
          \n
        • \u7b2c 1\u30012\u30013\u30014 \u9898\u5b8c\u5168\u4e0d\u7528\u770b\u6700\u540e\u4e24\u9053\u96be\u9898\u3002<\/li>\n<\/ul>\n\n\n\n
          \u5237\u4f1a\u8fd9\u4e9b\uff0c\u4f60\u5c31\u80fd\u8d85\u8fc7 60% \u7684\u4eba\uff0c\u4e8c\u7b49\u5956\u7a33\u5f97\u5f88\u3002<\/p>\n\n\n\n
          \u4e94\u3001\u4e00\u53e5\u8bdd\u603b\u7ed3\u6295\u673a\u5fc3\u6cd5<\/h1>\n\n\n\n
          \u7b80\u5355\u9898\u4e0d\u4e22\u5206\uff0c\u4e2d\u6863\u9898\u66b4\u529b\u9a97\u5206\uff0c\u96be\u9898\u76f4\u63a5\u8f93\u51fa\u6837\u4f8b\uff0cJava C \u7ec4\u4e8c\u7b49\u5956\u7a33\u62ff\u3002<\/strong><\/p>\n\n\n\n
          \u9700\u8981\u7684\u8bdd\u6211\u53ef\u4ee5\u76f4\u63a5\u7ed9\u4f60\uff1a<\/p>\n\n\n\n
            \n
          • \u8fd1 5 \u5e74 Java C \u7ec4\u771f\u9898\u7b54\u6848<\/li>\n\n\n\n
          • \u4e00\u5957\u8003\u573a\u53ef\u76f4\u63a5\u6284\u7684\u4e07\u80fd\u4ee3\u7801\u6a21\u677f<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
            Java C \u7ec4\u4e8c\u7b49\u5956\u975e\u5e38\u6c34\uff0c\u53ea\u8981\u524d 4\uff5e5 \u9898\u57fa\u672c\u505a\u5bf9\uff0c\u540e\u9762\u4e71\u9a97\u5206\uff0c\u57fa\u672c\u5fc5\u62ff\u4e8c\u7b49\u5956\u3002 \u4f60\u4e0d\u9700\u8981\uff1a\u52a8\u6001\u89c4\u5212\u3001\u6df1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1136","post","type-post","status-publish","format-standard","hentry","category-recommend"],"_links":{"self":[{"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/posts\/1136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bracku.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1136"}],"version-history":[{"count":1,"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/posts\/1136\/revisions"}],"predecessor-version":[{"id":1137,"href":"http:\/\/www.bracku.com\/index.php?rest_route=\/wp\/v2\/posts\/1136\/revisions\/1137"}],"wp:attachment":[{"href":"http:\/\/www.bracku.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bracku.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1136"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bracku.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}