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 StonesGame { public:
4fd800b3a8 2011-02-23        kinaba: 	string winner(int N, int M, int K, int L)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		if( isOneStep(N,M,K,L) ) // M から L に一手でいけるなら先手の勝ち
4fd800b3a8 2011-02-23        kinaba: 			return "Romeo";
4fd800b3a8 2011-02-23        kinaba: 		for(int x=1; x<=N; ++x)
4fd800b3a8 2011-02-23        kinaba: 			if( isOneStep(N,M,K,x) && !isOneStep(N,x,K,L) )
4fd800b3a8 2011-02-23        kinaba: 				return "Draw"; // 先手も後手も勝てない場合
4fd800b3a8 2011-02-23        kinaba: 		return "Strangelet"; // M からは「Lに一手で行けちゃうx」にしか行けないなら、後手の勝ち
4fd800b3a8 2011-02-23        kinaba: 	}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 	bool isOneStep(int N, int M, int K, int L)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		int d = abs(M-L);
4fd800b3a8 2011-02-23        kinaba: 		if( d<K && (d%2)!=(K%2) )
4fd800b3a8 2011-02-23        kinaba: 		{
4fd800b3a8 2011-02-23        kinaba: 			int mid = (M+L)/2; // M と L の真ん中を中心に
4fd800b3a8 2011-02-23        kinaba: 			int e = mid + K/2; // 右に K/2
4fd800b3a8 2011-02-23        kinaba: 			int b = e - K+1;   // 左に K/2 伸ばした範囲をreverseすればMがLに行けるはず…
4fd800b3a8 2011-02-23        kinaba: 			return 1<=b && e<=N; // そんな範囲で大丈夫か
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 		return false;
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 string& Expected, const string& 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(_, StonesGame().winner(N, M, K, L));}
4fd800b3a8 2011-02-23        kinaba: int main(){
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: CASE(0)
4fd800b3a8 2011-02-23        kinaba: 	int N = 3;
4fd800b3a8 2011-02-23        kinaba: 	int M = 1;
4fd800b3a8 2011-02-23        kinaba: 	int K = 1;
4fd800b3a8 2011-02-23        kinaba: 	int L = 2;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Draw";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(1)
4fd800b3a8 2011-02-23        kinaba: 	int N = 5;
4fd800b3a8 2011-02-23        kinaba: 	int M = 1;
4fd800b3a8 2011-02-23        kinaba: 	int K = 2;
4fd800b3a8 2011-02-23        kinaba: 	int L = 2;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Romeo";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(2)
4fd800b3a8 2011-02-23        kinaba: 	int N = 5;
4fd800b3a8 2011-02-23        kinaba: 	int M = 5;
4fd800b3a8 2011-02-23        kinaba: 	int K = 2;
4fd800b3a8 2011-02-23        kinaba: 	int L = 3;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Strangelet";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(3)
4fd800b3a8 2011-02-23        kinaba: 	int N = 5;
4fd800b3a8 2011-02-23        kinaba: 	int M = 5;
4fd800b3a8 2011-02-23        kinaba: 	int K = 2;
4fd800b3a8 2011-02-23        kinaba: 	int L = 2;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Draw";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(4)
4fd800b3a8 2011-02-23        kinaba: 	int N = 1000000;
4fd800b3a8 2011-02-23        kinaba: 	int M = 804588;
4fd800b3a8 2011-02-23        kinaba: 	int K = 705444;
4fd800b3a8 2011-02-23        kinaba: 	int L = 292263;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Romeo";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: 	int N = 1000000;
4fd800b3a8 2011-02-23        kinaba: 	int M = 100000;
4fd800b3a8 2011-02-23        kinaba: 	int K = 500000;
4fd800b3a8 2011-02-23        kinaba: 	int L = 600000;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Strangelet";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(6)
4fd800b3a8 2011-02-23        kinaba: 	int N = 5;
4fd800b3a8 2011-02-23        kinaba: 	int M = 1;
4fd800b3a8 2011-02-23        kinaba: 	int K = 3;
4fd800b3a8 2011-02-23        kinaba: 	int L = 5;
4fd800b3a8 2011-02-23        kinaba: 	string _ = "Strangelet";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: /*
4fd800b3a8 2011-02-23        kinaba: CASE(7)
4fd800b3a8 2011-02-23        kinaba: 	int N = ;
4fd800b3a8 2011-02-23        kinaba: 	int M = ;
4fd800b3a8 2011-02-23        kinaba: 	int K = ;
4fd800b3a8 2011-02-23        kinaba: 	int L = ;
4fd800b3a8 2011-02-23        kinaba: 	string _ = ;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: */
4fd800b3a8 2011-02-23        kinaba: }
4fd800b3a8 2011-02-23        kinaba: // END CUT HERE