Artifact 03cf07f878cb30743934c711bd8ead0345aa17e5

• File SRM/574-U/1A-U.cpp
  • 2013-03-30 13:40:49 - part of checkin [4f3ed14599] on branch trunk - 574 (user: kinaba) [annotate]

#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <functional>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
using namespace std;
typedef long long LL;
typedef long double LD;
typedef complex<LD> CMP;

class TheNumberGame { public:
	string determineOutcome(int A, int B)
	{
		string S; {stringstream sin; sin<<A; sin>>S;}
		string T; {stringstream sin; sin<<B; sin>>T;}
		return rec(S,T) ? "Manao wins" : "Manao loses";
	}

	map<pair<string,string>, bool> memo;
	bool rec(const string& S, const string& T)
	{
		if(S == T)
			return false;
		pair<string, string> key(S, T);
		if(memo.count(key))
			return memo[key];

		bool aWin = false;
		for(int a=0; a<2; ++a)
		{
			string S1 = op(S, a);
			aWin |= (S1 == T);

			bool bWin = false;
			for(int b=0; b<2; ++b)
			{
				string T1 = op(T, b);
				bWin |= (S1 == T1);

				bool cWin = false;
				for(int c=0; c<2; ++c)
				{
					string S2 = op(S1, c);
					cWin |= (S2 == T1);

					bool dWin = false;
					for(int d=0; d<2; ++d)
					{
						string T2 = op(T1, d);
						dWin |= (S2 == T2);

						if(S==S2 || T==T2)
							dWin |= true;
						else
							dWin |= !rec(S2, T2);
					}
					cWin |= !dWin;
				}
				bWin |= !cWin;
			}
			aWin |= !bWin;
		}
		return memo[key] = aWin;
	}

	string op(const string& s, int i)
	{
		if(i==0)
			return s.empty() ? s : s.substr(0, s.size()-1);
		else
			return string(s.rbegin(), s.rend());
	}
};

// BEGIN CUT HERE
#include <ctime>
double start_time; string timer()
 { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
 { os << "{ ";
   for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
   os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
void verify_case(const string& Expected, const string& Received) {
 bool ok = (Expected == Received);
 if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
 cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
#define END	 verify_case(_, TheNumberGame().determineOutcome(A, B));}
int main(){

CASE(0)
	int A = 45; 
	int B = 4; 
	string _ = "Manao wins"; 
END
CASE(1)
	int A = 45; 
	int B = 5; 
	string _ = "Manao wins"; 
END
CASE(2)
	int A = 99; 
	int B = 123; 
	string _ = "Manao loses"; 
END
CASE(3)
	int A = 2356236; 
	int B = 5666; 
	string _ = "Manao loses"; 
END
/*
CASE(4)
	int A = ; 
	int B = ; 
	string _ = ; 
END
CASE(5)
	int A = ; 
	int B = ; 
	string _ = ; 
END
*/
}
// END CUT HERE