{"id":1566,"date":"2024-06-21T16:42:37","date_gmt":"2024-06-21T08:42:37","guid":{"rendered":"https:\/\/aoofoo.com\/?p=1566"},"modified":"2025-02-26T11:10:42","modified_gmt":"2025-02-26T03:10:42","slug":"1-4-%e5%be%aa%e7%8e%af%e9%93%be%e8%a1%a8_%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8_%e6%a0%88_%e9%98%9f%e5%88%97","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/06\/21\/1-4-%e5%be%aa%e7%8e%af%e9%93%be%e8%a1%a8_%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8_%e6%a0%88_%e9%98%9f%e5%88%97\/","title":{"rendered":"1.4 \u5faa\u73af\u94fe\u8868\u3001\u53cc\u5411\u94fe\u8868"},"content":{"rendered":"

\u5355\u5411\u5faa\u73af\u94fe\u8868<\/h2>\n

\u5faa\u73af\u94fe\u8868(Circular Linked List)\u662f\u53e6\u4e00\u79cd\u5f62\u5f0f\u7684\u94fe\u5f0f\u5b58\u50a8\u7ed3\u6784\u3002\u5176\u7279\u70b9\u662f\u8868\u4e2d\u6700\u540e\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488\u57df\u6307\u5411\u5934\u8282\u70b9\uff0c\u6574\u4e2a\u94fe\u8868\u5f62\u6210\u4e00\u4e2a\u73af\u3002
\n\u5f53\u94fe\u8868\u904d\u5386\u65f6\uff0c\u5224\u522b\u5f53\u524d\u6307\u9488 p\u662f\u5426\u6307\u5411\u8868\u5c3e\u7ed3\u70b9\u7684\u7ec8\u6b62\u6761\u4ef6\u4e0d\u540c\u3002\u5728\u5355\u94fe\u8868\u4e2d\uff0c\u5224\u522b\u6761\u4ef6\u4e3a p!=NULL\u6216 p->next!=NULL\uff0c\u800c\u5faa\u73af\u5355\u94fe\u8868\u7684\u5224\u522b\u6761\u4ef6\u4e3ap!=L \u6216 p->next!=L\uff08L\u4e3a\u5934\u8282\u70b9\uff09\u3002<\/p>\n

\"\"<\/p>\n

\u53cc\u5411\u94fe\u8868<\/h2>\n

\u94fe\u5f0f\u5b58\u50a8\u7ed3\u6784\u7684\u8282\u70b9\u4e2d\u53ea\u6709\u4e00\u4e2a\u6307\u793a\u76f4\u63a5\u540e\u7ee7\u7684\u6307\u9488\u57df\uff0c\u7531\u6b64\uff0c\u4ece\u67d0\u4e2a\u7ed3\u70b9\u51fa\u53d1\u53ea\u80fd\u987a\u6307\u9488\u5411\u540e\u5bfb\u67e5\u5176\u4ed6\u8282\u70b9\u3002\u82e5\u8981\u5bfb\u67e5\u7ed3\u70b9\u7684\u76f4\u63a5\u524d\u9a71\u3001\u5219\u5fc5\u987b\u4ece\u8868\u5934\u6307\u9488\u51fa\u53d1\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5728\u5355\u94fe\u8868\u4e2d\uff0c\u67e5\u627e\u76f4\u63a5\u540e\u7ee7\u7684\u6267\u884c\u65f6\u95f4\u4e3a \u3007(1)\uff0c\u800c\u67e5\u627e\u76f4\u63a5\u524d\u9a71\u7684\u6267\u884c\u65f6\u95f4\u4e3a O(n)\u4e3a\u514b\u670d\u5355\u94fe\u8868\u8fd9\u79cd\u5355\u5411\u6027\u7684\u7f3a\u70b9\uff0c\u53ef\u5229\u7528\u53cc\u5411\u94fe\u8868(Double Linked List)\u3002\u5728\u53cc\u5411\u94fe\u8868\u7684\u8282\u70b9\u4e2d\u6709\u4e24\u4e2a\u6307\u9488\u57df\uff0c\u4e00\u4e2a\u6307\u5411\u76f4\u63a5\u540e\u7ee7\uff0c\u53e6\u4e00\u4e2a\u6307\u5411\u76f4\u63a5\u524d\u9a71\u3002<\/p>\n

\"\"<\/p>\n

typedef int ElemType;\r\n\r\ntypedef struct node\r\n{\r\n    ElemType data;\r\n    struct node* prev,*next;\r\n}Node;<\/code><\/pre>\n
\u63d2\u5165\u53cc\u94fe\u8868\uff08\u5934\u63d2\u6cd5\uff09\uff1a<\/p>\n
\"\"<\/p>\n
typedef struct node\r\n{\r\n    ElemType data;\r\n    struct node* prev,*next;\r\n}Node;\r\n\r\nint insertHead(Node* L,ElemType e)\/\/L\u4e3a\u5934\u94fe\u8868\r\n{\r\n    Node* p = (Node*)malloc(sizeof(Node));\r\n    p->data = e;\r\n    p->next = L->next;\r\n    p->prev = L;\r\n\r\n    if(L->next != NULL)\r\n    {\r\n        L->next->prev = p;\r\n    }\r\n\r\n    L->next = p;\r\n    return 1;\r\n}<\/code><\/pre>\n
\u63d2\u5165\u53cc\u94fe\u8868\uff08\u5c3e\u63d2\u6cd5\uff09\uff1a<\/p>\n
\"\"<\/p>\n
typedef struct node\r\n{\r\n    ElemType data;\r\n    struct node* prev,*next;\r\n}Node;\r\n\r\nNode* Returntail(Node* L)\r\n{\r\n    while(L->next !=NULL)\r\n    {\r\n        L = L->next;\r\n    }\r\n    return L;\r\n}\r\n\r\nNode* insertTail(Node* tail,ElemType e)\r\n{\r\n    Node* p = (Node*)malloc(sizeof(Node));\r\n    p->data = e;\r\n    p->prev = tail;\r\n    p->next = NULL;\r\n\r\n    tail->next = p;\r\n    return p;\r\n}<\/code><\/pre>\n
\u63d2\u5165\u53cc\u94fe\u8868\uff08\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\uff09\uff1a<\/p>\n
typedef struct node\r\n{\r\n    ElemType data;\r\n    struct node* prev,*next;\r\n}Node;\r\n\r\nint insertNode(Node* L,int pos,ElemType e)\r\n{\r\n    Node* p = L;\r\n    int i = 0;\r\n\r\n    \/\/\u627e\u5230\u8981\u63d2\u5165\u7ed3\u70b9\u7684\u4e0a\u4e00\u4e2a\u7ed3\u70b9\r\n    while(i < pos-1)\r\n    {\r\n        p = p->next;\r\n        i++;\r\n        if(p == NULL)\r\n        {\r\n            return 0;\r\n        }\r\n    }\r\n\r\n    Node* q = (Node*)malloc(sizeof(Node));\r\n    q->data = e;\r\n    q->next = p->next;\r\n    q->prev = p;\r\n    p->next = q;\r\n    if(q->next != NULL)\r\n    {\r\n        q->next->prev = q;\r\n    }\r\n    return 1;\r\n}<\/code><\/pre>\n
\u53cc\u5411\u94fe\u8868\u5220\u9664\u7ed3\u70b9\uff1a<\/p>\n
typedef struct node\r\n{\r\n    ElemType data;\r\n    struct node* prev,*next;\r\n}Node;\r\n\r\nint DeleteNode(Node* L,int pos)\r\n{\r\n    Node* p;\r\n    int i = 0;\r\n\r\n    \/\/\u627e\u5230\u8981\u5220\u9664\u7ed3\u70b9\u7684\u4e0a\u4e00\u4e2a\u8282\u70b9\r\n    while(i < pos-1)\r\n    {\r\n        L = L->next;\r\n        i++;\r\n        if(L == NULL)\r\n        {\r\n            return 0;\r\n        }\r\n    }\r\n    \/\/\u5f00\u59cb\u5220\u9664\u8282\u70b9,L\u76ee\u524d\u662f\u5220\u9664\u8282\u70b9\u7684\u524d\u7f6e\u7ed3\u70b9\r\n    p = L->next;\r\n    if(p == NULL)\r\n    {\r\n        return 1;\r\n    }\r\n    else\r\n    {\r\n        L->next = p->next;\r\n        if(p->next != NULL)\r\n        {\r\n            p->next->prev = L;\r\n        }\r\n        free(p);\r\n        return 1;\r\n    }\r\n}<\/code><\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u5355\u5411\u5faa\u73af\u94fe\u8868 \u5faa\u73af\u94fe\u8868(Circular Linked List)\u662f\u53e6\u4e00\u79cd\u5f62\u5f0f\u7684\u94fe\u5f0f\u5b58\u50a8\u7ed3\u6784\u3002\u5176\u7279\u70b9\u662f\u8868\u4e2d\u6700\u540e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1566","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/comments?post=1566"}],"version-history":[{"count":7,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1566\/revisions"}],"predecessor-version":[{"id":1578,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1566\/revisions\/1578"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}