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- threenewbee 2019-04-05 19:21关注
目测InsertNode_End的第二个if中==写成=了。
下次提问请帖出代码(用"代码片"格式化)。这样才好帮你调试。
// Q755014.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <iostream> using namespace std; typedef struct Dlist { Dlist* p_Prev; int data; Dlist* p_Next; }Dlist; void Initialization(int data, Dlist ** list) { Dlist * p = new Dlist; p->data = data; p->p_Next = NULL; p->p_Prev = NULL; *list = p; } void InsertNode_head(int data, Dlist ** list) { Dlist * p = new Dlist; p->data = data; p->p_Next = *list; p->p_Prev = NULL; *list = p; } void InsertNode_end(int data,Dlist*list) { while (list->p_Next != NULL) { list = list->p_Next; } Dlist * p = new Dlist; p->data = data; p->p_Next = NULL; p->p_Prev = list; list->p_Next = p; } void print(Dlist*list) { while (list != NULL) { cout << list->data << " "; list = list->p_Next; } } int main() { Dlist* list = new Dlist; Initialization(1, &list); InsertNode_head(2, &list); InsertNode_head(4, &list); InsertNode_end(4, list); print(list); getchar(); }
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