/* 数据结构 表的实现 List.h
* author : star
*/
//防止重复定义
#ifndef LIST_H
#define LIST_H
#include "defs.h"
//初始化容量为n的线性表
//时间复杂度O(1)
int InitSqlist(SQLIST *L, int n)
{
L->data = (ElemType *)malloc(n * sizeof(ElemType));
if(L->data == NULL)
return 0;
L->size = n;
L->len = 0;
return 1;
}
//销毁线性表
//时间复杂度O(1)
void DestroySqlist(SQLIST *L)
{
free(L->data);
L->data = NULL;
L->size = 0;
L->len = 0;
}
//判断线性表的空与满
//时间复杂度O(1)
int IsSqlistFull(SQLIST L)
{
return L.len == L.size;
}
int IsSqlistEmpty(SQLIST L)
{
return L.len == 0;
}
//获取第i个数据
//时间复杂度O(1)
//if(i >= 0 || i <= L->len) return L->data[i-1];
//追加数据
//时间复杂度O(1)
int AppendSqlistElem(SQLIST *L, ElemType e)
{
if(IsSqlistFull(*L))
return 0;
L->data[L->len] = e;
++L->len;
return 1;
}
//在i(i>=0)处插入数据
//时间复杂度O(n)
int InsertSqlistElemAt(SQLIST *L, ElemType e, int i)
{
int k;
if(i > L->len || IsSqlistFull(*L))
return 0;
for(k = L->len - 1; k >= i; --k)
L->data[k+1] = L->data[k];
L->data[i] = e;
++L->len;
return 1;
}
//删除表中i(i>=0)处的数据
//时间复杂度O(n)
int DeleteSqlistElemAt(SQLIST *L, int i)
{
int k;
if(i >= L->len || IsSqlistEmpty(*L))
return 0;
for(k = i+1; k < L->len; ++k)
L->data[k-1] = L->data[k];
--L->len;
return 1;
}
//遍历线性表
//时间复杂度O(n)
void TraverseSqlist(SQLIST L)
{
int i;
for(i = 0; i < L.len; ++i)
printf(FORMATSTR, L.data[i]);
}
//查找数据
//时间复杂度O(n)
int SearchSqlist(SQLIST L, ElemType key)
{
int i;
for(i = 0; i < L.len; ++i)
if(L.data[i] == key)
return i;
return -1;
}
//初始化链表
//时间复杂度O(1)
int InitLinklist(LINKLIST *L)
{
*L = (LINKLIST)malloc(sizeof(NODE));
if(*L == NULL)
return 0;
(*L)->next = NULL;
return 1;
}
//销毁链表
//时间复杂度O(n)
void DestroyLinklist(LINKLIST *L)
{
NODEPTR p, q;
p = *L;
while(p)
{
q = p;
p = p->next;
free(q);
}
*L = NULL;
}
//获取第i(i>=1)个元素
//时间复杂度O(n)
NODEPTR GetLinklistElem(LINKLIST L, int i, NODEPTR *pre)
{
NODEPTR p;
int k;
p = L; k = 0;
while(k < i && p != NULL)
{
*pre = p;
p = p->next;
++k;
}
if(k < i)
*pre = NULL;
return p;
}
//添加数据
//时间复杂度O(1)
int AddLinklistElem(LINKLIST L, ElemType e)
{
NODEPTR p;
p = (NODEPTR)malloc(sizeof(NODE));
if(p == NULL)
return 0;
p->data = e;
p->next = L->next;
L->next = p;
return 1;
}
//在i(i>=1)处插入数据
//时间复杂度O(n)
int InsertLinklistElemAt(LINKLIST L, ElemType e, int i)
{
NODEPTR p, q, pre;
q = (NODEPTR)malloc(sizeof(NODE));
if(q == NULL)
return 0;
q->data = e;
p = GetLinklistElem(L, i, &pre);
if(pre == NULL)
return 0;
q->next = p;
pre->next = q;
return 1;
}
//删除表中i(i>=1)处的数据
//时间复杂度O(n)
int DeleteLinklistElemAt(LINKLIST L, int i)
{
NODEPTR p, pre;
p = GetLinklistElem(L, i, &pre);
if(p == NULL)
return 0;
pre->next = p->next;
free(p);
return 1;
}
//遍历线性表
//时间复杂度O(n)
void TraverseLinklist(LINKLIST L)
{
NODEPTR p;
p = L->next;
while(p)
{
printf(FORMATSTR, p->data);
p = p->next;
}
}
//查找数据
//时间复杂度O(n)
NODEPTR SearchLinklist(LINKLIST L, ElemType e, NODEPTR *pre)
{
NODEPTR p;
*pre = L;
p = L->next;
while(p != NULL && p->data != e)
{
*pre = p;
p = p->next;
}
if(p == NULL)
*pre = NULL;
return p;
}
//删除表中的数据
//时间复杂度O(n)
int DeleteLinklistElem(LINKLIST L, ElemType e)
{
NODEPTR p, pre;
p = SearchLinklist(L, e, &pre);
if(p == NULL)
return 0;
pre->next = p->next;
free(p);
return 1;
}
//初始化链表
//时间复杂度O(1)
int InitDBLinklist(DBLINKLIST *L)
{
*L = (DBLINKLIST)malloc(sizeof(DBNODE));
if(*L == NULL)
return 0;
(*L)->next = (*L)->prior = NULL;
return 1;
}
//销毁双向链表
//时间复杂度O(n)
void DestroyDBLinklist(DBLINKLIST *L)
{
DBNODEPTR p, q;
p = *L;
while(p)
{
q = p;
p = p->next;
free(q);
}
*L = NULL;
}
//在双向链表结点后插入元素
//时间复杂度O(1)
int InsertDBLinklistElemAfter(DBNODEPTR p, ElemType e)
{
DBNODEPTR q;
q = (DBNODEPTR)malloc(sizeof(DBNODE));
if(q == NULL)
return 0;
q->data = e;
q->next = p->next;
q->prior = p;
if(p->next != NULL)
p->next->prior = q;
p->next = q;
return 1;
}
//遍历双向链表
//时间复杂度O(n)
void TraverseDBLinklist(DBLINKLIST L)
{
DBNODEPTR p;
p = L->next;
while(p)
{
printf(FORMATSTR, p->data);
p = p->next;
}
}
//删除双向链表中的某个结点
//时间复杂度O(1)
void DeleteDBLinklistElem(DBNODEPTR p)
{
DBNODEPTR pre;
pre = p->prior;
if(pre != NULL)
pre->next = p->next;
if(p->next != NULL)
p->next->prior = pre;
free(p);
}
//查找双向链表的数据
//时间复杂度O(n)
DBNODEPTR SearchDBLinklist(DBLINKLIST L, ElemType e)
{
DBNODEPTR p;
p = L->next;
while(p != NULL && p->data != e)
p = p->next;
return p;
}
#endif
2021年9月28日 19:42
Students can get the TN 12th Model Question Paper 2022 with Solutions in PDF format from the links provided on this website. (+2) HSC Regular and private students can use these Sample Papers to prepare for their exams. Students must register for the Public Exam 2022. TN 12th Question Paper If you are one of the students who has registered as a Regular or Private Student, it is recommended that you download these Tamil Nadu Board Plus Two Sample Paper 2022 and prepare all subjects. Model papers are a valuable resource provided by the recognised educational board.