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 VacationTours { public:
4fd800b3a8 2011-02-23        kinaba: 	int getIncome(vector <string> c, vector <string> d, int fee)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		int N = c.size();
4fd800b3a8 2011-02-23        kinaba: 		vector< vector<int> > G(N, vector<int>(N));
4fd800b3a8 2011-02-23        kinaba: 		for(int i=0; i<N; ++i)
4fd800b3a8 2011-02-23        kinaba: 			for(int j=0; j<N; ++j)
4fd800b3a8 2011-02-23        kinaba: 				G[i][j] = dec(c[i][j])*64 + dec(d[i][j]);
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		int basefee = fee * (N-1);
4fd800b3a8 2011-02-23        kinaba: 		for(int i=1; i<N; ++i)
4fd800b3a8 2011-02-23        kinaba: 			basefee -= G[0][i] + G[i][0];
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		typedef pair< int, pair<int,int> > edge;
4fd800b3a8 2011-02-23        kinaba: 		set< edge, greater<edge> > es;
4fd800b3a8 2011-02-23        kinaba: 		vector< vector<int> > P(N, vector<int>(N));
4fd800b3a8 2011-02-23        kinaba: 		for(int i=1; i<N; ++i)
4fd800b3a8 2011-02-23        kinaba: 			for(int j=1; j<N; ++j) if(i!=j) {
4fd800b3a8 2011-02-23        kinaba: 				P[i][j] = -fee - G[i][j] + G[i][0] + G[0][j];
4fd800b3a8 2011-02-23        kinaba: 				es.insert( edge(P[i][j], make_pair(i,j)) );
4fd800b3a8 2011-02-23        kinaba: 			}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		int gain = 0;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		vector<bool> out(N,true), in(N,true);
4fd800b3a8 2011-02-23        kinaba: 		vector<int> uf(N), sz(N);
4fd800b3a8 2011-02-23        kinaba: 		for(int v=0; v<N; ++v) uf[v]=v, sz[v]=1;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		for(set< edge, greater<edge> >::iterator it=es.begin(); it!=es.end(); ++it)
4fd800b3a8 2011-02-23        kinaba: 		{
4fd800b3a8 2011-02-23        kinaba: 			int c = it->first;
4fd800b3a8 2011-02-23        kinaba: 			int a = it->second.first;
4fd800b3a8 2011-02-23        kinaba: 			int b = it->second.second;
4fd800b3a8 2011-02-23        kinaba: 			if( c <= 0 )
4fd800b3a8 2011-02-23        kinaba: 				break;
4fd800b3a8 2011-02-23        kinaba: 			if( !out[a] || !in[b] )
4fd800b3a8 2011-02-23        kinaba: 				continue;
4fd800b3a8 2011-02-23        kinaba: 			// repr
4fd800b3a8 2011-02-23        kinaba: 			int ra=a; while(uf[ra]!=ra) ra=uf[ra];
4fd800b3a8 2011-02-23        kinaba: 			int rb=b; while(uf[rb]!=rb) rb=uf[rb];
4fd800b3a8 2011-02-23        kinaba: 			if( ra != rb ) {
4fd800b3a8 2011-02-23        kinaba: 				gain += c;
4fd800b3a8 2011-02-23        kinaba: 				// union
4fd800b3a8 2011-02-23        kinaba: 				if( sz[ra] > sz[rb] ) swap(ra,rb);
4fd800b3a8 2011-02-23        kinaba: 				uf[ra] = rb;
4fd800b3a8 2011-02-23        kinaba: 				sz[rb] += sz[ra];
4fd800b3a8 2011-02-23        kinaba: 				out[a] = false;
4fd800b3a8 2011-02-23        kinaba: 				in[b] = false;
4fd800b3a8 2011-02-23        kinaba: 			}
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		return max(0, basefee+gain);
4fd800b3a8 2011-02-23        kinaba: 	}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 	int dec(char c)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		if('A'<=c && c<='Z') return c-'A';
4fd800b3a8 2011-02-23        kinaba: 		if('a'<=c && c<='z') return c-'a'+26;
4fd800b3a8 2011-02-23        kinaba: 		if('0'<=c && c<='9') return c-'0'+52;
4fd800b3a8 2011-02-23        kinaba: 		if(c=='+')return 62;
4fd800b3a8 2011-02-23        kinaba: 		return 63;
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(_, VacationTours().getIncome(c, d, fee));}
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 c_[] = {"AAA",
4fd800b3a8 2011-02-23        kinaba:  "AAA",
4fd800b3a8 2011-02-23        kinaba:  "AAA"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = {"ABJ",
4fd800b3a8 2011-02-23        kinaba:  "JAB",
4fd800b3a8 2011-02-23        kinaba:  "BJA"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = 15;
4fd800b3a8 2011-02-23        kinaba: 	int _ = 12;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(1)
4fd800b3a8 2011-02-23        kinaba: 	string c_[] = {"AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = {"AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA",
4fd800b3a8 2011-02-23        kinaba:  "AAAA"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = 100;
4fd800b3a8 2011-02-23        kinaba: 	int _ = 300;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(2)
4fd800b3a8 2011-02-23        kinaba: 	string c_[] = {"A//",
4fd800b3a8 2011-02-23        kinaba:  "/A/",
4fd800b3a8 2011-02-23        kinaba:  "//A"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = {"A//",
4fd800b3a8 2011-02-23        kinaba:  "/A/",
4fd800b3a8 2011-02-23        kinaba:  "//A"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = 1000;
4fd800b3a8 2011-02-23        kinaba: 	int _ = 0;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(3)
4fd800b3a8 2011-02-23        kinaba: 	string c_[] = {"AAA////",
4fd800b3a8 2011-02-23        kinaba:  "/AA/A//",
4fd800b3a8 2011-02-23        kinaba:  "//AA/A/",
4fd800b3a8 2011-02-23        kinaba:  "A//AA//",
4fd800b3a8 2011-02-23        kinaba:  "///AAA/",
4fd800b3a8 2011-02-23        kinaba:  "///A/AA",
4fd800b3a8 2011-02-23        kinaba:  "AA////A"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = {"AKo////",
4fd800b3a8 2011-02-23        kinaba:  "/AU/X//",
4fd800b3a8 2011-02-23        kinaba:  "//AZ/o/",
4fd800b3a8 2011-02-23        kinaba:  "j//AK//",
4fd800b3a8 2011-02-23        kinaba:  "///XAo/",
4fd800b3a8 2011-02-23        kinaba:  "///y/AK",
4fd800b3a8 2011-02-23        kinaba:  "KP////A"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = 1000;
4fd800b3a8 2011-02-23        kinaba: 	int _ = 1809;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: 	/*
4fd800b3a8 2011-02-23        kinaba: CASE(4)
4fd800b3a8 2011-02-23        kinaba: 	string c_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = ;
4fd800b3a8 2011-02-23        kinaba: 	int _ = ;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: 	string c_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> c(c_, c_+sizeof(c_)/sizeof(*c_));
4fd800b3a8 2011-02-23        kinaba: 	string d_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> d(d_, d_+sizeof(d_)/sizeof(*d_));
4fd800b3a8 2011-02-23        kinaba: 	int fee = ;
4fd800b3a8 2011-02-23        kinaba: 	int _ = ;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: */
4fd800b3a8 2011-02-23        kinaba: }
4fd800b3a8 2011-02-23        kinaba: // END CUT HERE