LeetCode()Word Pattern

// LeetCode.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include<iostream>
#include<vector>
#include<map>
#include<unordered_map>
#include<string>
using namespace std;
/**/
class Solution {
public:
	bool wordPattern(string pattern, string str) {
		int n = 0;
		for (int i = 0; i < str.size(); i++)
			if (str[i] == ‘ ‘)
				n++;
		//cout << n << pattern.size();
		if (n + 1 != pattern.size())
			return false;
		unordered_map<string, string> map;
		for (int i = 0; i<pattern.size(); ++i)
		{
			
			int wei = str.find(" ");
			string t = str.substr(0, wei);
			str = str.substr(wei + 1);			
			auto d = map.find(""+pattern[i]);
			if (d != map.end() && map["" + pattern[i]] != t)
				return false;
			else if (d != map.end() && map["" + pattern[i]] == t)
				continue;
			else if (d == map.end()) {
				for (auto k : map)
				{
					if (k.second == t)
						return false;
				}
			}		
			map[""+pattern[i]] = t;
		}
		return true;
	}
};
void print(string str) {
	for (int i = 0; i < 4; ++i)
	{
		string t = str.substr(0, str.find(" "));
		int wei = str.find(" ");
		str = str.substr(wei + 1);
		cout << t << endl;
	}
}
int main()
{
	Solution s;
	if (s.wordPattern("abbbac", "aa bb bb bb aa cc" ))
		cout << "ok";
//	print("aa dd kk ss");
	system("pause");
	
    return 0;
}