hello-algo/codes/c/chapter_tree/binary_tree.c
2023-01-12 00:31:11 +08:00

42 lines
908 B
C

/**
* File: binary_tree.c
* Created Time: 2023-01-11
* Author: Reanon (793584285@qq.com)
*/
#include "../include/include.h"
/* Driver Code */
int main() {
/* 初始化二叉树 */
// 初始化结点
TreeNode* n1 = newTreeNode(1);
TreeNode* n2 = newTreeNode(2);
TreeNode* n3 = newTreeNode(3);
TreeNode* n4 = newTreeNode(4);
TreeNode* n5 = newTreeNode(5);
// 构建引用指向(即指针)
n1->left = n2;
n1->right = n3;
n2->left = n4;
n2->right = n5;
printf("初始化二叉树\n");
printTree(n1);
/* 插入与删除结点 */
TreeNode* P = newTreeNode(0);
// 在 n1 -> n2 中间插入结点 P
n1->left = P;
P->left = n2;
printf("插入结点 P 后\n");
printTree(n1);
// 删除结点 P
n1->left = n2;
// 释放内存
free(P);
printf("删除结点 P 后\n");
printTree(n1);
return 0;
}