5cbddaf9a4 2017-05-20        kinaba: #include <iostream>
5cbddaf9a4 2017-05-20        kinaba: #include <sstream>
5cbddaf9a4 2017-05-20        kinaba: #include <iomanip>
5cbddaf9a4 2017-05-20        kinaba: #include <vector>
5cbddaf9a4 2017-05-20        kinaba: #include <string>
5cbddaf9a4 2017-05-20        kinaba: #include <map>
5cbddaf9a4 2017-05-20        kinaba: #include <set>
5cbddaf9a4 2017-05-20        kinaba: #include <algorithm>
5cbddaf9a4 2017-05-20        kinaba: #include <numeric>
5cbddaf9a4 2017-05-20        kinaba: #include <iterator>
5cbddaf9a4 2017-05-20        kinaba: #include <functional>
5cbddaf9a4 2017-05-20        kinaba: #include <complex>
5cbddaf9a4 2017-05-20        kinaba: #include <queue>
5cbddaf9a4 2017-05-20        kinaba: #include <stack>
5cbddaf9a4 2017-05-20        kinaba: #include <cmath>
5cbddaf9a4 2017-05-20        kinaba: #include <cassert>
5cbddaf9a4 2017-05-20        kinaba: #include <tuple>
5cbddaf9a4 2017-05-20        kinaba: using namespace std;
5cbddaf9a4 2017-05-20        kinaba: typedef long long LL;
5cbddaf9a4 2017-05-20        kinaba: typedef complex<double> CMP;
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: int gcd(int a, int b)
5cbddaf9a4 2017-05-20        kinaba: {
5cbddaf9a4 2017-05-20        kinaba: 	while (a)
5cbddaf9a4 2017-05-20        kinaba: 		swap(a, b %= a);
5cbddaf9a4 2017-05-20        kinaba: 	return b;
5cbddaf9a4 2017-05-20        kinaba: }
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: class FoxAndCake2 { public:
5cbddaf9a4 2017-05-20        kinaba: 	string isPossible(int c, int s)
5cbddaf9a4 2017-05-20        kinaba: 	{
5cbddaf9a4 2017-05-20        kinaba: 		return solve(c, s) ? "Possible" : "Impossible";
5cbddaf9a4 2017-05-20        kinaba: 	}
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: 	bool solve(int a, int b)
5cbddaf9a4 2017-05-20        kinaba: 	{
5cbddaf9a4 2017-05-20        kinaba: 		if (gcd(a, b) != 1)
5cbddaf9a4 2017-05-20        kinaba: 			return true;
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: 		for (int x = 2; x <= 100 && x < a; ++x)
5cbddaf9a4 2017-05-20        kinaba: 			for (int y = 2; y <= 100 && y < b; ++y)
5cbddaf9a4 2017-05-20        kinaba: 				if (gcd(x, y) != 1 && gcd(a - x, b - y) != 1)
5cbddaf9a4 2017-05-20        kinaba: 					return true;
5cbddaf9a4 2017-05-20        kinaba: 		return false;
5cbddaf9a4 2017-05-20        kinaba: 	}
5cbddaf9a4 2017-05-20        kinaba: };
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: // BEGIN CUT HERE
5cbddaf9a4 2017-05-20        kinaba: #include <ctime>
5cbddaf9a4 2017-05-20        kinaba: double start_time; string timer()
5cbddaf9a4 2017-05-20        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
5cbddaf9a4 2017-05-20        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
5cbddaf9a4 2017-05-20        kinaba:  { os << "{ ";
5cbddaf9a4 2017-05-20        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
5cbddaf9a4 2017-05-20        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
5cbddaf9a4 2017-05-20        kinaba: void verify_case(const string& Expected, const string& Received) {
5cbddaf9a4 2017-05-20        kinaba:  bool ok = (Expected == Received);
5cbddaf9a4 2017-05-20        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
5cbddaf9a4 2017-05-20        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
5cbddaf9a4 2017-05-20        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
5cbddaf9a4 2017-05-20        kinaba: #define END	 verify_case(_, FoxAndCake2().isPossible(c, s));}
5cbddaf9a4 2017-05-20        kinaba: int main(){
5cbddaf9a4 2017-05-20        kinaba: 
5cbddaf9a4 2017-05-20        kinaba: CASE(0)
5cbddaf9a4 2017-05-20        kinaba: 	int c = 74;
5cbddaf9a4 2017-05-20        kinaba: 	int s = 109;
5cbddaf9a4 2017-05-20        kinaba: 	string _ = "Possible";
5cbddaf9a4 2017-05-20        kinaba: END
5cbddaf9a4 2017-05-20        kinaba: CASE(1)
5cbddaf9a4 2017-05-20        kinaba: 	int c = 1000000000;
5cbddaf9a4 2017-05-20        kinaba: 	int s = 1000000000;
5cbddaf9a4 2017-05-20        kinaba: 	string _ = "Possible";
5cbddaf9a4 2017-05-20        kinaba: END
5cbddaf9a4 2017-05-20        kinaba: CASE(2)
5cbddaf9a4 2017-05-20        kinaba: 	int c = 1;
5cbddaf9a4 2017-05-20        kinaba: 	int s = 58;
5cbddaf9a4 2017-05-20        kinaba: 	string _ = "Impossible";
5cbddaf9a4 2017-05-20        kinaba: END
5cbddaf9a4 2017-05-20        kinaba: CASE(3)
5cbddaf9a4 2017-05-20        kinaba: 	int c = 223092871;
5cbddaf9a4 2017-05-20        kinaba: 	int s = 446185741;
5cbddaf9a4 2017-05-20        kinaba: 	string _ = "Possible";
5cbddaf9a4 2017-05-20        kinaba: END
5cbddaf9a4 2017-05-20        kinaba: /*
5cbddaf9a4 2017-05-20        kinaba: CASE(4)
5cbddaf9a4 2017-05-20        kinaba: 	int c = ;
5cbddaf9a4 2017-05-20        kinaba: 	int s = ;
5cbddaf9a4 2017-05-20        kinaba: 	string _ = ;
5cbddaf9a4 2017-05-20        kinaba: END
5cbddaf9a4 2017-05-20        kinaba: */
5cbddaf9a4 2017-05-20        kinaba: }
5cbddaf9a4 2017-05-20        kinaba: // END CUT HERE