请实现两个函数,分别用来序列化和反序列化二叉树

// ConsoleApplication2.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include "stdafx.h"
#include<iostream>
#include<vector>
#include<algorithm>
#include<numeric>
#include<list>
#include<iterator>
#include<queue>
#include<stack>
#include<algorithm>
#include<forward_list>
using namespace std;

struct TreeNode {
	unsigned char val;
	struct TreeNode *left;
	struct TreeNode *right;
	TreeNode(int x) :
	val(x), left(NULL), right(NULL) {
	}
};

class Solution {
public:
	 char* Serialize(TreeNode *root) {
		getData(root);
		
		vec.push_back(''); //char遇到''结束运行 //此句非常重要
		char *ch = &vec[0];
		return ch;
	}

	vector< char> vec;
	void getData(TreeNode *T)
	{
		if (T == NULL)
		{
			vec.push_back('#');
			return;
		}
		vec.push_back(T->val);
		getData(T->left);
		getData(T->right);
	}

	int p = -1;
	TreeNode* Deserialize(char *str) {
		if (str == NULL) return NULL;
			++p;
		if (str[p] == '#') return NULL;
		TreeNode *T = new TreeNode(str[p]);
		T->left = Deserialize(str);
		T->right = Deserialize(str);
		return T;
	}

	void preOrder(TreeNode *T)
	{
		if (T == NULL) return;
		cout << T->val << "  ";
		preOrder(T->left);
		preOrder(T->right);
	}
};

int main()
{

	Solution so;
	TreeNode *T;
char *str = "124###3##";

	T=so.Deserialize(str);
	cout << "前序遍历结果是:" << endl;
	so.preOrder(T);
	//so.getData(T);
	//cout << "qu 队列中的值:" << endl;
	//so.print();
cout << endl;
char *ch = so.Serialize(T);
	
	cout << "ch的长度:" << strlen(ch) << endl;


	return 0;
}

//注意:此程序有问题,不能通过100%的测试用例,因为char类型表示的范围,只能是-128--127

原文地址:https://www.cnblogs.com/wdan2016/p/6001066.html