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hello-algo/zh-hant/codes/c/chapter_tree/binary_tree.c

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938 B

/**
* File: binary_tree.c
* Created Time: 2023-01-11
* Author: Reanon (793584285@qq.com)
*/
#include "../utils/common.h"
/* Driver Code */
int main() {
/* 初始化二元樹 */
// 初始化節點
TreeNode *n1 = newTreeNode(1);
TreeNode *n2 = newTreeNode(2);
TreeNode *n3 = newTreeNode(3);
TreeNode *n4 = newTreeNode(4);
TreeNode *n5 = newTreeNode(5);
// 構建節點之間的引用(指標)
n1->left = n2;
n1->right = n3;
n2->left = n4;
n2->right = n5;
printf("初始化二元樹\n");
printTree(n1);
/* 插入與刪除節點 */
TreeNode *P = newTreeNode(0);
// 在 n1 -> n2 中間插入節點 P
n1->left = P;
P->left = n2;
printf("插入節點 P 後\n");
printTree(n1);
// 刪除節點 P
n1->left = n2;
// 釋放記憶體
free(P);
printf("刪除節點 P 後\n");
printTree(n1);
freeMemoryTree(n1);
return 0;
}