4fd800b3a8 2011-02-23        kinaba: #include <iostream>
4fd800b3a8 2011-02-23        kinaba: #include <sstream>
4fd800b3a8 2011-02-23        kinaba: #include <iomanip>
4fd800b3a8 2011-02-23        kinaba: #include <vector>
4fd800b3a8 2011-02-23        kinaba: #include <string>
4fd800b3a8 2011-02-23        kinaba: #include <map>
4fd800b3a8 2011-02-23        kinaba: #include <set>
4fd800b3a8 2011-02-23        kinaba: #include <algorithm>
4fd800b3a8 2011-02-23        kinaba: #include <numeric>
4fd800b3a8 2011-02-23        kinaba: #include <iterator>
4fd800b3a8 2011-02-23        kinaba: #include <functional>
4fd800b3a8 2011-02-23        kinaba: #include <complex>
4fd800b3a8 2011-02-23        kinaba: #include <queue>
4fd800b3a8 2011-02-23        kinaba: #include <stack>
4fd800b3a8 2011-02-23        kinaba: #include <cmath>
4fd800b3a8 2011-02-23        kinaba: #include <cassert>
4fd800b3a8 2011-02-23        kinaba: #include <cstring>
4fd800b3a8 2011-02-23        kinaba: using namespace std;
4fd800b3a8 2011-02-23        kinaba: typedef long long LL;
4fd800b3a8 2011-02-23        kinaba: typedef complex<double> CMP;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: class ThirteenHard { public:
4fd800b3a8 2011-02-23        kinaba: 	int calcTime(vector <string> city)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		typedef int vert;
4fd800b3a8 2011-02-23        kinaba: 		typedef int cost;
4fd800b3a8 2011-02-23        kinaba: 		typedef pair<cost,vert> cedge;
4fd800b3a8 2011-02-23        kinaba: 		priority_queue< cedge, vector<cedge>, greater<cedge> > Q;
4fd800b3a8 2011-02-23        kinaba: 		Q.push( cedge(0,1*32+0) );
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		set<int> visited;
4fd800b3a8 2011-02-23        kinaba: 		while( !Q.empty() )
4fd800b3a8 2011-02-23        kinaba: 		{
4fd800b3a8 2011-02-23        kinaba: 			cedge s = Q.top();
4fd800b3a8 2011-02-23        kinaba: 			Q.pop();
4fd800b3a8 2011-02-23        kinaba: 			if( visited.count(s.second) )
4fd800b3a8 2011-02-23        kinaba: 				continue;
4fd800b3a8 2011-02-23        kinaba: 			visited.insert(s.second);
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 			int v = s.second%32;
4fd800b3a8 2011-02-23        kinaba: 			int mask = s.second/32;
4fd800b3a8 2011-02-23        kinaba: 			int c = s.first;
4fd800b3a8 2011-02-23        kinaba: 			if( v == (int)city.size()-1 )
4fd800b3a8 2011-02-23        kinaba: 				return c;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 			for(int i=0; i<city.size(); ++i)
4fd800b3a8 2011-02-23        kinaba: 			{
4fd800b3a8 2011-02-23        kinaba: 				char dd = city[v][i];
4fd800b3a8 2011-02-23        kinaba: 				int d = ('a'<=dd && dd<='z' ? dd-'a'+27 : dd-'A'+1);
4fd800b3a8 2011-02-23        kinaba: 				if( dd!='#' && d%13>0 )
4fd800b3a8 2011-02-23        kinaba: 				{
4fd800b3a8 2011-02-23        kinaba: 					int mask2 = mask << (d%13);
4fd800b3a8 2011-02-23        kinaba: 					if( mask2 & (1<<13) )
4fd800b3a8 2011-02-23        kinaba: 						continue;
4fd800b3a8 2011-02-23        kinaba: 					mask2 = (mask2 & ((1<<13) - 1)) | (mask2 >> 13) | (1<<d%13);
4fd800b3a8 2011-02-23        kinaba: 					int s2 = mask2*32 + i;
4fd800b3a8 2011-02-23        kinaba: 					if( !visited.count(s2) )
4fd800b3a8 2011-02-23        kinaba: 						Q.push( cedge(c+d, s2) );
4fd800b3a8 2011-02-23        kinaba: 				}
4fd800b3a8 2011-02-23        kinaba: 			}
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 		return -1;
4fd800b3a8 2011-02-23        kinaba: 	}
4fd800b3a8 2011-02-23        kinaba: };
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: // BEGIN CUT HERE
4fd800b3a8 2011-02-23        kinaba: #include <ctime>
4fd800b3a8 2011-02-23        kinaba: double start_time; string timer()
4fd800b3a8 2011-02-23        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
4fd800b3a8 2011-02-23        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
4fd800b3a8 2011-02-23        kinaba:  { os << "{ ";
4fd800b3a8 2011-02-23        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
4fd800b3a8 2011-02-23        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
4fd800b3a8 2011-02-23        kinaba: void verify_case(const int& Expected, const int& Received) {
4fd800b3a8 2011-02-23        kinaba:  bool ok = (Expected == Received);
4fd800b3a8 2011-02-23        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
4fd800b3a8 2011-02-23        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
4fd800b3a8 2011-02-23        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
4fd800b3a8 2011-02-23        kinaba: #define END	 verify_case(_, ThirteenHard().calcTime(city));}
4fd800b3a8 2011-02-23        kinaba: int main(){
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: CASE(0)
4fd800b3a8 2011-02-23        kinaba: 	string city_[] = { "#AB##",
4fd800b3a8 2011-02-23        kinaba:   "###A#",
4fd800b3a8 2011-02-23        kinaba:   "###C#",
4fd800b3a8 2011-02-23        kinaba:   "####K",
4fd800b3a8 2011-02-23        kinaba:   "#####" };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 16;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(1)
4fd800b3a8 2011-02-23        kinaba: 	string city_[] = { "#Z",
4fd800b3a8 2011-02-23        kinaba:   "Z#" };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = -1;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(2)
4fd800b3a8 2011-02-23        kinaba: 	string city_[] = { "Good#####",
4fd800b3a8 2011-02-23        kinaba:   "#Luck####",
4fd800b3a8 2011-02-23        kinaba:   "##and####",
4fd800b3a8 2011-02-23        kinaba:   "##Have###",
4fd800b3a8 2011-02-23        kinaba:   "####Fun##",
4fd800b3a8 2011-02-23        kinaba:   "#####in##",
4fd800b3a8 2011-02-23        kinaba:   "#####the#",
4fd800b3a8 2011-02-23        kinaba:   "CHALLENGE",
4fd800b3a8 2011-02-23        kinaba:   "##PHASE##" };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 137;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(3)
4fd800b3a8 2011-02-23        kinaba: 	string city_[] = { "###No#####",
4fd800b3a8 2011-02-23        kinaba:   "####Zaphod",
4fd800b3a8 2011-02-23        kinaba:   "#####Just#",
4fd800b3a8 2011-02-23        kinaba:   "######very",
4fd800b3a8 2011-02-23        kinaba:   "####very##",
4fd800b3a8 2011-02-23        kinaba:   "improbable",
4fd800b3a8 2011-02-23        kinaba:   "##########",
4fd800b3a8 2011-02-23        kinaba:   "##########",
4fd800b3a8 2011-02-23        kinaba:   "##########",
4fd800b3a8 2011-02-23        kinaba:   "##########" };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 103;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(4)
4fd800b3a8 2011-02-23        kinaba: 	string city_[] = { "#B#C##T#M",
4fd800b3a8 2011-02-23        kinaba:   "##K######",
4fd800b3a8 2011-02-23        kinaba:   "########A",
4fd800b3a8 2011-02-23        kinaba:   "####R####",
4fd800b3a8 2011-02-23        kinaba:   "#####U###",
4fd800b3a8 2011-02-23        kinaba:   "########C",
4fd800b3a8 2011-02-23        kinaba:   "#######H#",
4fd800b3a8 2011-02-23        kinaba:   "########S",
4fd800b3a8 2011-02-23        kinaba:   "#########" };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 47;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: string city_[] = {"#a","##"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 27;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: string city_[] = {"#z","##"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = -1;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(6)
4fd800b3a8 2011-02-23        kinaba: string city_[] = {"abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy",
4fd800b3a8 2011-02-23        kinaba: "abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy",
4fd800b3a8 2011-02-23        kinaba: "abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy",
4fd800b3a8 2011-02-23        kinaba: "abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy",
4fd800b3a8 2011-02-23        kinaba: "abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy","abcdefghijklmnopqrstuvwxy"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> city(city_, city_+sizeof(city_)/sizeof(*city_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = -999;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: }
4fd800b3a8 2011-02-23        kinaba: // END CUT HERE