mirror of
https://gitee.com/apaki/unicstl.git
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467 lines
10 KiB
C
467 lines
10 KiB
C
/**
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* @file demo_tree.c
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* @author wenjf (Orig5826@163.com)
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* @brief
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* @version 0.1
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* @date 2024-08-27
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*
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* @copyright Copyright (c) 2024
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*
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*/
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#include "demo.h"
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// if vs2022 has error: 'max': macro redefinition
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#ifdef max
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#undef max
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#endif
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#ifdef min
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#undef min
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#endif
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/**
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* @brief
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* int data[] = { 5,2,3,1,7,8,6 };
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* 5
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* | |
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* 2 7
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* | | | |
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* 1 3 6 8
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*/
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void demo_avltree_num(void)
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{
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uint32_t i = 0;
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// int data[] = { 2,1,3,4};
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// int data[] = { 1,2,3,4,5,6};
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// int data[] = { 5,2,3,1,7,8,6 };
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int data[] = { 5,2,3,1,7,8,6,4,9,10,12,11,15,14,13 };
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int temp = 0;
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uint32_t len = sizeof(data) / sizeof(data[0]);
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tree_t tree = tree_avl_new(sizeof(int));
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tree->print_obj = print_num;
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tree->compare = compare_num;
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printf("\n\n----- demo_avltree_num -----\n");
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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printf("insert = ");
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tree->print_obj(&temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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}
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printf("----- max -----\n");
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tree->max(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- min -----\n");
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tree->min(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- tree -----\n");
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tree->clear(tree);
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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}
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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printf("----- right priority -----\n");
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tree->order(tree, true);
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printf("----- preorder(right) -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder(right) -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder(right) -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth(right) -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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printf("----- left priority -----\n");
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tree->order(tree, false);
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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// delete
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tree->delete(tree, &temp);
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printf("delete = ");
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tree->print_obj(&temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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}
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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tree_free(&tree);
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}
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static bool tree_rb_check_color(struct _tree *self, struct _tree_node* root, int black_num, int black_num_expected)
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{
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if(root == NULL)
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{
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if(black_num != black_num_expected)
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{
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printf("black_num != black_num_expected\n");
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return false;
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}
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return true;
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}
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if(root->color == RBT_BLACK)
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{
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black_num++;
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}
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if(root->color == RBT_RED && root->parent && root->parent->color == RBT_RED)
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{
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printf("The red node is adjacent to the red node\n");
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return false;
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}
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return tree_rb_check_color(self, root->left, black_num, black_num_expected) &&
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tree_rb_check_color(self, root->right, black_num, black_num_expected);
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}
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static bool tree_rb_check(struct _tree* self)
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{
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assert(self != NULL);
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if(self->_root == NULL)
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{
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return true;
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}
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if(self->_root->color != RBT_BLACK)
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{
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printf("self->_root->color != RBT_BLACK\n");
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return false;
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}
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int black_num_expected = 0;
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struct _tree_node* root = self->_root;
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while(root)
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{
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if(root->color == RBT_BLACK)
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{
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black_num_expected++;
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}
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root = root->left;
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}
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return tree_rb_check_color(self, self->_root, 0, black_num_expected);
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}
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/**
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* @brief
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*/
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void demo_rbtree_num(void)
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{
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uint32_t i = 0;
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// int data[] = { 2,1,3,4};
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// int data[] = { 1,2,3,4,5,6};
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// int data[] = { 5,2,3,1,7,8,6 };
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int data[] = { 5,2,3,1,7,8,6,4,9,10,12,11,15,14,13 };
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int temp = 0;
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uint32_t len = sizeof(data) / sizeof(data[0]);
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tree_t tree = tree_rb_new(sizeof(int));
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tree->print_obj = print_num;
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tree->compare = compare_num;
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printf("\n\n----- demo_rbtree_num -----\n");
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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printf("insert = ");
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tree->print_obj(&temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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if(true != tree_rb_check(tree))
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{
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printf("----- rb_check_error -----\n");
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return;
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}
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}
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printf("----- max -----\n");
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tree->max(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- min -----\n");
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tree->min(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- tree -----\n");
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tree->clear(tree);
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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}
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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printf("----- right priority -----\n");
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tree->order(tree, true);
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printf("----- preorder(right) -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder(right) -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder(right) -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth(right) -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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#if 1
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printf("----- left priority -----\n");
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tree->order(tree, false);
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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printf("delete = ");
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tree->print_obj(&temp);
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// delete
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tree->delete(tree, &temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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if(true != tree_rb_check(tree))
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{
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printf("----- rb_check_error -----\n");
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return;
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}
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}
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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#endif
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tree_free(&tree);
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}
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/**
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* @brief
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*/
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void demo_rbtree_struct(void)
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{
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uint32_t i = 0;
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struct _student data[] = {
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{"zhao", 1001},{"qian", 1002}, {"sun", 1003}, {"li", 1004},
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"zhou", 1005, "wu", 1006, "zheng", 1007, "wang", 1008,
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};
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struct _student temp = {0};
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uint32_t len = sizeof(data) / sizeof(data[0]);
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tree_t tree = tree_rb_new(sizeof(struct _student));
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tree->print_obj = print_struct;
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tree->compare = compare_struct;
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printf("\n\n----- demo_rbtree_struct -----\n");
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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printf("insert = ");
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tree->print_obj(&temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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if(true != tree_rb_check(tree))
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{
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printf("----- rb_check_error -----\n");
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return;
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}
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}
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printf("----- max -----\n");
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tree->max(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- min -----\n");
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tree->min(tree, &temp);
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tree->print_obj(&temp);
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printf("\n");
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printf("----- tree -----\n");
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tree->clear(tree);
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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printf("----- insert -----\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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tree->insert(tree, &temp);
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}
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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printf("----- right priority -----\n");
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tree->order(tree, true);
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printf("----- preorder(right) -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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printf("----- inorder(right) -----\n");
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tree->inorder(tree, tree->_root);
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printf("\n");
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printf("----- postorder(right) -----\n");
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tree->postorder(tree, tree->_root);
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printf("\n");
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printf("----- breadth(right) -----\n");
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tree->breadth(tree, tree->_root);
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printf("\n");
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#if 1
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printf("----- left priority -----\n");
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tree->order(tree, false);
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printf("----- preorder -----\n");
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tree->preorder(tree, tree->_root);
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printf("\n");
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for (i = 0; i < len; i++)
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{
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temp = data[i];
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printf("delete = ");
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tree->print_obj(&temp);
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// delete
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tree->delete(tree, &temp);
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printf("size = %2d : ", tree->size(tree));
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tree->preorder(tree, tree->_root);
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printf("\n");
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if(true != tree_rb_check(tree))
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{
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printf("----- rb_check_error -----\n");
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return;
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}
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}
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if(tree->empty(tree))
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{
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printf("----- empty -----\n");
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}
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#endif
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tree_free(&tree);
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}
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void demo_tree(void)
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{
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demo_avltree_num();
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demo_rbtree_num();
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demo_rbtree_struct();
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}
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