8166493378 2012-05-12        kinaba: #include <iostream>
8166493378 2012-05-12        kinaba: #include <sstream>
8166493378 2012-05-12        kinaba: #include <iomanip>
8166493378 2012-05-12        kinaba: #include <vector>
8166493378 2012-05-12        kinaba: #include <string>
8166493378 2012-05-12        kinaba: #include <map>
8166493378 2012-05-12        kinaba: #include <set>
8166493378 2012-05-12        kinaba: #include <algorithm>
8166493378 2012-05-12        kinaba: #include <numeric>
8166493378 2012-05-12        kinaba: #include <iterator>
8166493378 2012-05-12        kinaba: #include <functional>
8166493378 2012-05-12        kinaba: #include <complex>
8166493378 2012-05-12        kinaba: #include <queue>
8166493378 2012-05-12        kinaba: #include <stack>
8166493378 2012-05-12        kinaba: #include <cmath>
8166493378 2012-05-12        kinaba: #include <cassert>
8166493378 2012-05-12        kinaba: #include <cstring>
8166493378 2012-05-12        kinaba: #ifdef __GNUC__
8166493378 2012-05-12        kinaba: #include <ext/hash_map>
8166493378 2012-05-12        kinaba: #define unordered_map __gnu_cxx::hash_map
8166493378 2012-05-12        kinaba: #else
8166493378 2012-05-12        kinaba: #include <unordered_map>
8166493378 2012-05-12        kinaba: #endif
8166493378 2012-05-12        kinaba: using namespace std;
8166493378 2012-05-12        kinaba: typedef long long LL;
8166493378 2012-05-12        kinaba: typedef complex<double> CMP;
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: class EllysJuice { public:
8166493378 2012-05-12        kinaba: 	vector <string> getWinners(vector <string> players)
8166493378 2012-05-12        kinaba: 	{
8166493378 2012-05-12        kinaba: 		set<string> winners;
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: 		sort(players.begin(), players.end());
8166493378 2012-05-12        kinaba: 		do
8166493378 2012-05-12        kinaba: 			winners.insert( play(players) );
8166493378 2012-05-12        kinaba: 		while( next_permutation(players.begin(), players.end()) );
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: 		winners.erase("");
8166493378 2012-05-12        kinaba: 		return vector<string>(winners.begin(), winners.end());
8166493378 2012-05-12        kinaba: 	}
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: 	string play(const vector<string>& p)
8166493378 2012-05-12        kinaba: 	{
8166493378 2012-05-12        kinaba: 		int juice[2] = {65536, 65536};
8166493378 2012-05-12        kinaba: 		map<string, int> total;
8166493378 2012-05-12        kinaba: 		for(int i=0; i<p.size(); ++i)
8166493378 2012-05-12        kinaba: 			total[p[i]] += (juice[i%2]/=2);
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: 		string best_name;
8166493378 2012-05-12        kinaba: 		int best = 0;
8166493378 2012-05-12        kinaba: 		bool tie = false;
8166493378 2012-05-12        kinaba: 		for(map<string, int>::iterator it=total.begin(); it!=total.end(); ++it)
8166493378 2012-05-12        kinaba: 			if( it->second > best ) {
8166493378 2012-05-12        kinaba: 				best_name = it->first;
8166493378 2012-05-12        kinaba: 				best = it->second;
8166493378 2012-05-12        kinaba: 				tie = false;
8166493378 2012-05-12        kinaba: 			}
8166493378 2012-05-12        kinaba: 			else if( it->second == best )
8166493378 2012-05-12        kinaba: 				tie = true;
8166493378 2012-05-12        kinaba: 		return tie ? "" : best_name;
8166493378 2012-05-12        kinaba: 	}
8166493378 2012-05-12        kinaba: };
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: // BEGIN CUT HERE
8166493378 2012-05-12        kinaba: #include <ctime>
8166493378 2012-05-12        kinaba: double start_time; string timer()
8166493378 2012-05-12        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
8166493378 2012-05-12        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
8166493378 2012-05-12        kinaba:  { os << "{ ";
8166493378 2012-05-12        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
8166493378 2012-05-12        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
8166493378 2012-05-12        kinaba: void verify_case(const vector <string>& Expected, const vector <string>& Received) {
8166493378 2012-05-12        kinaba:  bool ok = (Expected == Received);
8166493378 2012-05-12        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
8166493378 2012-05-12        kinaba:  cerr << "\to: " << Expected << endl << "\tx: " << Received << endl; } }
8166493378 2012-05-12        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
8166493378 2012-05-12        kinaba: #define END	 verify_case(_, EllysJuice().getWinners(players));}
8166493378 2012-05-12        kinaba: int main(){
8166493378 2012-05-12        kinaba: 
8166493378 2012-05-12        kinaba: CASE(0)
8166493378 2012-05-12        kinaba: 	string players_[] = { "elly", "kriss", "stancho", "elly", "stancho" };
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba: 	string __[] = {"elly", "stancho" };
8166493378 2012-05-12        kinaba: 	  vector <string> _(__, __+sizeof(__)/sizeof(*__));
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: CASE(1)
8166493378 2012-05-12        kinaba: 	string players_[] = {"torb", "elly", "stancho", "kriss"};
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba: 	vector <string> _;
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: CASE(2)
8166493378 2012-05-12        kinaba: 	string players_[] = {"elly", "elly", "elly", "elly", "elly"};
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba: 	string __[] = {"elly" };
8166493378 2012-05-12        kinaba: 	  vector <string> _(__, __+sizeof(__)/sizeof(*__));
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: CASE(3)
8166493378 2012-05-12        kinaba: 	string players_[] = { "ariadne", "elly", "ariadne", "stancho", "stancho", "kriss", "stancho", "elly" };
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba: 	string __[] = {"ariadne", "elly", "stancho" };
8166493378 2012-05-12        kinaba: 	  vector <string> _(__, __+sizeof(__)/sizeof(*__));
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: CASE(4)
8166493378 2012-05-12        kinaba: 	string players_[] = {"b","b","a","a"};
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba:     string __[] = {"a","b"};
8166493378 2012-05-12        kinaba: 	  vector <string> _(__, __+sizeof(__)/sizeof(*__));
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: /*
8166493378 2012-05-12        kinaba: CASE(5)
8166493378 2012-05-12        kinaba: 	string players_[] = ;
8166493378 2012-05-12        kinaba: 	  vector <string> players(players_, players_+sizeof(players_)/sizeof(*players_));
8166493378 2012-05-12        kinaba: 	string __[] = ;
8166493378 2012-05-12        kinaba: 	  vector <string> _(__, __+sizeof(__)/sizeof(*__));
8166493378 2012-05-12        kinaba: END
8166493378 2012-05-12        kinaba: */
8166493378 2012-05-12        kinaba: }
8166493378 2012-05-12        kinaba: // END CUT HERE