自己写了一段双向链表的整表创建和节点插入 不知道哪里错了 求人指点
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- 社区专家-Monster-XH 2023-03-13 16:08关注
基于Monster 组和GPT的调写:
#include <iostream> #include <cstdlib> #include <cassert> using namespace std; #define OK 1 typedef int Status; typedef int ElemType; typedef struct DulNode { ElemType data; struct DulNode *prior; struct DulNode *next; } DulNode, *DuLinkList; Status CreateList(DuLinkList &head, int n) { head = (DuLinkList)malloc(sizeof(DulNode)); assert(head != NULL); head->next = head->prior = NULL; DuLinkList p, r; r = head; for (int i = 0; i < n; i++) { p = (DuLinkList)malloc(sizeof(DulNode)); p->data = i; r->next = p; p->prior = r; r = p; } r->next = head; head->prior = r; return OK; } Status InsertDulNode(DuLinkList &head, int i, ElemType e, int &n) { DuLinkList s = (DuLinkList)malloc(sizeof(DulNode)); DuLinkList p = head->next; int j = 1; while (p != head && j < i) { p = p->next; j++; } if (p == head || j > i) { return -1; } s->data = e; s->prior = p; s->next = p->next; p->next->prior = s; p->next = s; n++; return OK; } int main() { int n, i, e; cin >> n >> i >> e; DuLinkList head; CreateList(head, n); InsertDulNode(head, i, e, n); DuLinkList p = head->next; for (int j = 0; j < n; j++) { cout << p->data << " "; p = p->next; } cout << endl; return 0; }
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