Create 指定结点的删除.c

This commit is contained in:
ViolentAyang
2022-03-09 10:17:46 +08:00
committed by GitHub
parent 70efee39f1
commit 5274e67d39

View File

@@ -0,0 +1,70 @@
#include<stdio.h>
#include<stdlib.h>
#include<stdbool.h>
//这种方法不适合删除最后一个结点,如需删除最后一个结点仍需从头遍历
typedef struct LNode{
int data;
struct LNode *next;
}LNode,*LinkList;
bool InitList(LinkList *L){
(*L) = (LNode*)malloc(sizeof(LNode));
if(*L==NULL){
return false;
}
(*L)->next = NULL;
return true;
}
bool DeleteNode(LNode *p){
if(!p){
return false;
}
LNode *q = p->next;
p->data = q->data;
p->next = q->next;
free(q);
return true;
}
bool InsertList(LinkList *L,int i,int e){
if(i<1){
return false;
}
LNode *p;
p = *L;
int j = 0;
while(p&&j<i-1){
p = p->next;
j++;
}
if(!p){
return false;
}
LNode *s = (LNode*)malloc(sizeof(LNode));
s->data = e;
s->next = p->next;
p->next = s;
return true;
}
void PrintList(LinkList L){
LinkList p = L->next;
while(p){
printf("%d\n",p->data);
p = p->next;
}
}
int main(){
LinkList L;
InitList(&L);
for(int i = 0;i < 10;i ++){
InsertList(&L,i+1,i);
}
PrintList(L);
int m;
printf("----测试----\n");
LNode *t = L->next->next;
DeleteNode(t);
PrintList(L);
return 0;
}