标签：sign 线索 splay pos print gre play mat ++
1.#include <stdio.h>
#include <stdlib.h>
#include "BTree.h"
#include "SeqList.h"
/* 线索二叉树 */
struct Node
{
BTreeNode header;
char v;
};
void printf_data(BTreeNode* node)
{
if( node != NULL )
{
printf("%c", ((struct Node*)node)->v);
}
}
//线索二叉树1
void thread_via_left(BTreeNode* root, BTreeNode** pp)
{
if( (root != NULL) && (pp != NULL) )
{
if( *pp != NULL )
{
(*pp)->left = root;
*pp = NULL;
}
if( root->left == NULL )
{
*pp = root;
}
//前序遍历
thread_via_left(root->left, pp);
thread_via_left(root->right, pp);
}
}
//线索化 二叉树2
void thread_via_list(BTreeNode* root, SeqList* list)
{
if( (root != NULL) && (list != NULL) )
{
SeqList_Insert(list, (SeqListNode*)root, SeqList_Length(list));
thread_via_list(root->left, list);
thread_via_list(root->right, list);
}
}
int main(int argc, char *argv[])
{
BTree* tree = BTree_Create();
//遍历
BTreeNode* current = NULL;
BTreeNode* p = NULL;
SeqList* list = NULL;
int i = 0;
struct Node n1 = {{NULL, NULL}, ‘A‘};
struct Node n2 = {{NULL, NULL}, ‘B‘};
struct Node n3 = {{NULL, NULL}, ‘C‘};
struct Node n4 = {{NULL, NULL}, ‘D‘};
struct Node n5 = {{NULL, NULL}, ‘E‘};
struct Node n6 = {{NULL, NULL}, ‘F‘};
BTree_Insert(tree, (BTreeNode*)&n1, 0, 0, 0);
BTree_Insert(tree, (BTreeNode*)&n2, 0x00, 1, 0);
BTree_Insert(tree, (BTreeNode*)&n3, 0x01, 1, 0);
BTree_Insert(tree, (BTreeNode*)&n4, 0x00, 2, 0);
BTree_Insert(tree, (BTreeNode*)&n5, 0x02, 2, 0);
BTree_Insert(tree, (BTreeNode*)&n6, 0x02, 3, 0);
printf("Full Tree: \n");
BTree_Display(tree, printf_data, 4, ‘-‘);
printf("Thread via List:\n");
list = SeqList_Create(BTree_Count(tree));
thread_via_list(BTree_Root(tree), list);
for(i=0; i<SeqList_Length(list); i++)
{
printf("%c, ", ((struct Node*)SeqList_Get(list, i))->v);
}
printf("\n");
printf("Thread via Left:\n");
current = BTree_Root(tree);
thread_via_left(current, &p);
//开始遍历
while( current != NULL )
{
printf("%c, ", ((struct Node*)current)->v);
current = current->left;
}
printf("\n");
BTree_Destroy(tree);
return 0;
}
2.#include <stdio.h>
#include <malloc.h>
#include "SeqList.h"
typedef unsigned int TSeqListNode;
typedef struct _tag_SeqList
{
int capacity;
int length;
TSeqListNode* node;
} TSeqList;
SeqList* SeqList_Create(int capacity) // O(1)
{
TSeqList* ret = NULL;
if( capacity >= 0 )
{
ret = (TSeqList*)malloc(sizeof(TSeqList) + sizeof(TSeqListNode) * capacity);
}
if( ret != NULL )
{
ret->capacity = capacity;
ret->length = 0;
ret->node = (TSeqListNode*)(ret + 1);
}
return ret;
}
void SeqList_Destroy(SeqList* list) // O(1)
{
free(list);
}
void SeqList_Clear(SeqList* list) // O(1)
{
TSeqList* sList = (TSeqList*)list;
if( sList != NULL )
{
sList->length = 0;
}
}
int SeqList_Length(SeqList* list) // O(1)
{
TSeqList* sList = (TSeqList*)list;
int ret = -1;
if( sList != NULL )
{
ret = sList->length;
}
return ret;
}
int SeqList_Capacity(SeqList* list) // O(1)
{
TSeqList* sList = (TSeqList*)list;
int ret = -1;
if( sList != NULL )
{
ret = sList->capacity;
}
return ret;
}
int SeqList_Insert(SeqList* list, SeqListNode* node, int pos) // O(n)
{
TSeqList* sList = (TSeqList*)list;
int ret = (sList != NULL);
int i = 0;
ret = ret && (sList->length + 1 <= sList->capacity);
ret = ret && (0 <= pos);
if( ret )
{
if( pos >= sList->length )
{
pos = sList->length;
}
for(i=sList->length; i>pos; i--)
{
sList->node[i] = sList->node[i-1];
}
sList->node[i] = (TSeqListNode)node;
sList->length++;
}
return ret;
}
SeqListNode* SeqList_Get(SeqList* list, int pos) // O(1)
{
TSeqList* sList = (TSeqList*)list;
SeqListNode* ret = NULL;
if( (sList != NULL) && (0 <= pos) && (pos <= sList->length) )
{
ret = (SeqListNode*)(sList->node[pos]);
}
return ret;
}
SeqListNode* SeqList_Delete(SeqList* list, int pos) // O(n)
{
TSeqList* sList = (TSeqList*)list;
SeqListNode* ret = SeqList_Get(list, pos);
int i = 0;
if( ret != NULL )
{
for(i=pos+1; i<sList->length; i++)
{
sList->node[i-1] = sList->node[i];
}
sList->length--;
}
return ret;
}
3.#ifndef _SEQLIST_H_
#define _SEQLIST_H_
typedef void SeqList;
typedef void SeqListNode;
SeqList* SeqList_Create(int capacity);
void SeqList_Destroy(SeqList* list);
void SeqList_Clear(SeqList* list);
int SeqList_Length(SeqList* list);
int SeqList_Capacity(SeqList* list);
int SeqList_Insert(SeqList* list, SeqListNode* node, int pos);
SeqListNode* SeqList_Get(SeqList* list, int pos);
SeqListNode* SeqList_Delete(SeqList* list, int pos);
#endif
4.#include <stdio.h>
#include <malloc.h>
#include "BTree.h"
typedef struct _tag_BTree TBTree;
struct _tag_BTree
{
int count;
BTreeNode* root;
};
static void recursive_display(BTreeNode* node, BTree_Printf* pFunc, int format, int gap, char div) // O(n)
{
int i = 0;
if( (node != NULL) && (pFunc != NULL) )
{
for(i=0; i<format; i++)
{
printf("%c", div);
}
pFunc(node);
printf("\n");
if( (node->left != NULL) || (node->right != NULL) )
{
recursive_display(node->left, pFunc, format + gap, gap, div);
recursive_display(node->right, pFunc, format + gap, gap, div);
}
}
else
{
for(i=0; i<format; i++)
{
printf("%c", div);
}
printf("\n");
}
}
static int recursive_count(BTreeNode* root) // O(n)
{
int ret = 0;
if( root != NULL )
{
ret = recursive_count(root->left) + 1 + recursive_count(root->right);
}
return ret;
}
static int recursive_height(BTreeNode* root) // O(n)
{
int ret = 0;
if( root != NULL )
{
int lh = recursive_height(root->left);
int rh = recursive_height(root->right);
ret = ((lh > rh) ? lh : rh) + 1;
}
return ret;
}
static int recursive_degree(BTreeNode* root) // O(n)
{
int ret = 0;
if( root != NULL )
{
if( root->left != NULL )
{
ret++;
}
if( root->right != NULL )
{
ret++;
}
if( ret == 1 )
{
int ld = recursive_degree(root->left);
int rd = recursive_degree(root->right);
if( ret < ld )
{
ret = ld;
}
if( ret < rd )
{
ret = rd;
}
}
}
return ret;
}
BTree* BTree_Create() // O(1)
{
TBTree* ret = (TBTree*)malloc(sizeof(TBTree));
if( ret != NULL )
{
ret->count = 0;
ret->root = NULL;
}
return ret;
}
void BTree_Destroy(BTree* tree) // O(1)
{
free(tree);
}
void BTree_Clear(BTree* tree) // O(1)
{
TBTree* btree = (TBTree*)tree;
if( btree != NULL )
{
btree->count = 0;
btree->root = NULL;
}
}
int BTree_Insert(BTree* tree, BTreeNode* node, BTPos pos, int count, int flag) // O(n)
{
TBTree* btree = (TBTree*)tree;
int ret = (btree != NULL) && (node != NULL) && ((flag == BT_LEFT) || (flag == BT_RIGHT));
int bit = 0;
if( ret )
{
BTreeNode* parent = NULL;
BTreeNode* current = btree->root;
node->left = NULL;
node->right = NULL;
while( (count > 0) && (current != NULL) )
{
bit = pos & 1;
pos = pos >> 1;
parent = current;
if( bit == BT_LEFT )
{
current = current->left;
}
else if( bit == BT_RIGHT )
{
current = current->right;
}
count--;
}
if( flag == BT_LEFT )
{
node->left = current;
}
else if( flag == BT_RIGHT )
{
node->right = current;
}
if( parent != NULL )
{
if( bit == BT_LEFT )
{
parent->left = node;
}
else if( bit == BT_RIGHT )
{
parent->right = node;
}
}
else
{
btree->root = node;
}
btree->count++;
}
return ret;
}
BTreeNode* BTree_Delete(BTree* tree, BTPos pos, int count) // O(n)
{
TBTree* btree = (TBTree*)tree;
BTreeNode* ret = NULL;
int bit = 0;
if( btree != NULL )
{
BTreeNode* parent = NULL;
BTreeNode* current = btree->root;
while( (count > 0) && (current != NULL) )
{
bit = pos & 1;
pos = pos >> 1;
parent = current;
if( bit == BT_LEFT )
{
current = current->left;
}
else if( bit == BT_RIGHT )
{
current = current->right;
}
count--;
}
if( parent != NULL )
{
if( bit == BT_LEFT )
{
parent->left = NULL;
}
else if( bit == BT_RIGHT )
{
parent->right = NULL;
}
}
else
{
btree->root = NULL;
}
ret = current;
btree->count = btree->count - recursive_count(ret);
}
return ret;
}
BTreeNode* BTree_Get(BTree* tree, BTPos pos, int count) // O(n)
{
TBTree* btree = (TBTree*)tree;
BTreeNode* ret = NULL;
int bit = 0;
if( btree != NULL )
{
BTreeNode* current = btree->root;
while( (count > 0) && (current != NULL) )
{
bit = pos & 1;
pos = pos >> 1;
if( bit == BT_LEFT )
{
current = current->left;
}
else if( bit == BT_RIGHT )
{
current = current->right;
}
count--;
}
ret = current;
}
return ret;
}
BTreeNode* BTree_Root(BTree* tree) // O(1)
{
TBTree* btree = (TBTree*)tree;
BTreeNode* ret = NULL;
if( btree != NULL )
{
ret = btree->root;
}
return ret;
}
int BTree_Height(BTree* tree) // O(n)
{
TBTree* btree = (TBTree*)tree;
int ret = 0;
if( btree != NULL )
{
ret = recursive_height(btree->root);
}
return ret;
}
int BTree_Count(BTree* tree) // O(1)
{
TBTree* btree = (TBTree*)tree;
int ret = 0;
if( btree != NULL )
{
ret = btree->count;
}
return ret;
}
int BTree_Degree(BTree* tree) // O(n)
{
TBTree* btree = (TBTree*)tree;
int ret = 0;
if( btree != NULL )
{
ret = recursive_degree(btree->root);
}
return ret;
}
void BTree_Display(BTree* tree, BTree_Printf* pFunc, int gap, char div) // O(n)
{
TBTree* btree = (TBTree*)tree;
if( btree != NULL )
{
recursive_display(btree->root, pFunc, 0, gap, div);
}
}
5.#ifndef _BTREE_H_
#define _BTREE_H_
#define BT_LEFT 0
#define BT_RIGHT 1
typedef void BTree;
typedef unsigned long long BTPos;
typedef struct _tag_BTreeNode BTreeNode;
struct _tag_BTreeNode
{
BTreeNode* left;
BTreeNode* right;
};
typedef void (BTree_Printf)(BTreeNode*);
BTree* BTree_Create();
void BTree_Destroy(BTree* tree);
void BTree_Clear(BTree* tree);
int BTree_Insert(BTree* tree, BTreeNode* node, BTPos pos, int count, int flag);
BTreeNode* BTree_Delete(BTree* tree, BTPos pos, int count);
BTreeNode* BTree_Get(BTree* tree, BTPos pos, int count);
BTreeNode* BTree_Root(BTree* tree);
int BTree_Height(BTree* tree);
int BTree_Count(BTree* tree);
int BTree_Degree(BTree* tree);
void BTree_Display(BTree* tree, BTree_Printf* pFunc, int gap, char div);
#endif
标签：sign 线索 splay pos print gre play mat ++
原文地址：http://www.cnblogs.com/wxb20/p/6156161.html
