CCF/20170903.cpp at master · bodhiye/CCF · GitHub

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#include <iostream>
#include <string>
#include <map>

using namespace std;

int n, m;
string s, str;
bool key;
map<string, string> json;

string handle(string str, string s)
{
	if (s.empty())
	{
		return str;
	}
	for (int i = 0; i < s.size(); i++)
	{
		if (s[i] == ' ')
		{
			continue;
		}
		else if (s[i] == '{')
		{
			json[str] = "OBJECT";
			key = true;
		}
		else if (s[i] == '}')
		{
			int i;
			for (i = str.size() - 1; i >= 0; i--)
			{
				if (str[i] == '.')
				{
					break;
				}
			}
			if (i < 0)
			{
				str = "";
			}
			else
			{
				str = str.substr(0, i);
			}
		}
		else if (s[i] == ':')
		{
			key = false;
		}
		else if (s[i] == ',')
		{
			key = true;
		}
		else if (s[i] == '"')
		{
			string temp;
			for (i = i + 1; i < s.size(); i++)
			{
				if (s[i] == '\\')
				{
					i++;
					temp += s[i];
				}
				else if (s[i] == '"')
				{
					break;
				}
				else
				{
					temp += s[i];
				}
			}
			if (key)
			{
				if (str == "")
				{
					str = temp;
				}
				else
				{
					str += '.' + temp;
				}
			}
			else
			{
				json[str] = "STRING " + temp;
				int i;
				for (i = str.size() - 1; i >= 0; i--)
				{
					if (str[i] == '.')
					{
						break;
					}
				}
				if (i < 0)
				{
					str = "";
				}
				else
				{
					str = str.substr(0, i);
				}
			}
		}
	}
	return str;
}

int main()
{
	std::ios::sync_with_stdio(false);
	cin >> n >> m;
	cin.get();
	getchar();
	while (n--)
	{
		getline(cin, s);
		str = handle(str, s);
	}
	while (m--)
	{
		cin >> s;
		cout << (json[s] == "" ? "NOTEXIST" : json[s]) << endl;
	}
	return 0;
}