UVA_384_Slurpys

#include    
#include    
#include    
#include    
#include    
#include    
#include    
#include    
#include    
#include  
#include
#pragma warning(disable:4996)    
using std::cin;
using std::cout;
using std::endl;
using std::stringstream;
using std::string;
using std::vector;
using std::list;
using std::pair;
using std::set;
using std::multiset;
using std::map;
using std::multimap;
using std::stack;
using std::queue;
using std::priority_queue;
using std::bitset;
bool isSlump(const string &str)
{
	int state = 0;//当前状态
	for (size_t i = 0; i < str.size(); i++)
	{
		switch (state)
		{
		case 0:
		{
			if (str[i] == 'D' || str[i] == 'E')
			{
				state = 1;
			}
			else
			{
				return false;
			}
		}break;
		case 1:
		{
			if (str[i] == 'F')
			{
				state = 2;
			}
			else
			{
				return false;
			}
		}break;
		case 2:
		{
			if (str[i] == 'D' || str[i] == 'E')
			{
				state = 1;
			}
            else if (str[i] == 'F')
			{
				;
			}
			else if (str[i] == 'G')
			{
				state=3;
			}
			else
			{
				return false;
			}
		}break;
		case 3:
		{
			return false;
		}break;
		default:break;
		}
	}
	if (state == 3)
	{
		return true;
	}
	return false;
}
bool isSlimp(string str)
{
	if (str.size() < 2)
	{
		return false;
	}
	if (str.size() == 2)
	{
		if (str == "AH")
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	else
	{
		if (str[0] == 'A'&&str[1] == 'B'&&str[str.size() - 1] == 'C')
		{
			string tmp; tmp.assign(str.begin() + 2, str.begin()+str.size()-1);
			return isSlimp(tmp);
		}
		else if (str[0] == 'A'&&str[str.size() - 1] == 'C')
		{
			string tmp; tmp.assign(str.begin() + 1, str.begin() + str.size() - 1);
			return isSlump(tmp);
		}
		else
		{
			return false;
		}
	}
}
bool isSlurpy(const string &str)
{
	for (int i = str.size() - 1; i >= 0; i--)
	{
		if (str[i] == 'H' || str[i] == 'C')
		{
			string slimp;
			slimp.assign(str.begin(), str.begin() + i + 1);
			string slump;
			slump.assign(str.begin() + i + 1, str.end());
			if (isSlimp(slimp) && isSlump(slump))
			{
				return true;
			}
			return false;
		}
	}
	return false;
}
int main()
{
	//freopen("input.txt", "r", stdin);    
	//freopen("output.txt", "w", stdout);
	int T;
	while (cin >> T)
	{
		cout << "SLURPYS OUTPUT" << endl;
		string str;
		while (T--&&cin >> str)
		{
			if (isSlurpy(str))
			{
				cout << "YES" << endl;
			}
			else
			{
				cout << "NO" << endl;
			}
		}
	}
	cout << "END OF OUTPUT" << endl;
	return 0;
}

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