197afdc1d0 2015-03-26        kinaba: #include <iostream>
197afdc1d0 2015-03-26        kinaba: #include <sstream>
197afdc1d0 2015-03-26        kinaba: #include <iomanip>
197afdc1d0 2015-03-26        kinaba: #include <vector>
197afdc1d0 2015-03-26        kinaba: #include <string>
197afdc1d0 2015-03-26        kinaba: #include <map>
197afdc1d0 2015-03-26        kinaba: #include <set>
197afdc1d0 2015-03-26        kinaba: #include <algorithm>
197afdc1d0 2015-03-26        kinaba: #include <numeric>
197afdc1d0 2015-03-26        kinaba: #include <iterator>
197afdc1d0 2015-03-26        kinaba: #include <functional>
197afdc1d0 2015-03-26        kinaba: #include <complex>
197afdc1d0 2015-03-26        kinaba: #include <queue>
197afdc1d0 2015-03-26        kinaba: #include <stack>
197afdc1d0 2015-03-26        kinaba: #include <cmath>
197afdc1d0 2015-03-26        kinaba: #include <cassert>
197afdc1d0 2015-03-26        kinaba: #include <tuple>
197afdc1d0 2015-03-26        kinaba: using namespace std;
197afdc1d0 2015-03-26        kinaba: typedef long long LL;
197afdc1d0 2015-03-26        kinaba: typedef complex<double> CMP;
197afdc1d0 2015-03-26        kinaba: 
197afdc1d0 2015-03-26        kinaba: class CountryGroupHard { public:
197afdc1d0 2015-03-26        kinaba: 	string solve(vector <int> a)
197afdc1d0 2015-03-26        kinaba: 	{
197afdc1d0 2015-03-26        kinaba: 		return rec(0, a)==1 ? "Sufficient" : "Insufficient";
197afdc1d0 2015-03-26        kinaba: 	}
197afdc1d0 2015-03-26        kinaba: 
197afdc1d0 2015-03-26        kinaba: 	map<int, int> memo;
197afdc1d0 2015-03-26        kinaba: 	int rec(int k, const vector<int>& a)
197afdc1d0 2015-03-26        kinaba: 	{
197afdc1d0 2015-03-26        kinaba: 		if(k == a.size())
197afdc1d0 2015-03-26        kinaba: 			return 1;
197afdc1d0 2015-03-26        kinaba: 		if(memo.count(k))
197afdc1d0 2015-03-26        kinaba: 			return memo[k];
197afdc1d0 2015-03-26        kinaba: 
197afdc1d0 2015-03-26        kinaba: 		int cnt = 0;
197afdc1d0 2015-03-26        kinaba: 		for(int v=1; k+v<=int(a.size()); ++v) {
197afdc1d0 2015-03-26        kinaba: 			set<int> s(a.begin()+k, a.begin()+k+v);
197afdc1d0 2015-03-26        kinaba: 			s.erase(0);
197afdc1d0 2015-03-26        kinaba: 			s.erase(v);
197afdc1d0 2015-03-26        kinaba: 			if(s.empty())
197afdc1d0 2015-03-26        kinaba: 				cnt += rec(k+v, a);
197afdc1d0 2015-03-26        kinaba: 		}
197afdc1d0 2015-03-26        kinaba: 		return memo[k] = (cnt>=2 ? 2 : cnt);
197afdc1d0 2015-03-26        kinaba: 	}
197afdc1d0 2015-03-26        kinaba: };
197afdc1d0 2015-03-26        kinaba: 
197afdc1d0 2015-03-26        kinaba: // BEGIN CUT HERE
197afdc1d0 2015-03-26        kinaba: #include <ctime>
197afdc1d0 2015-03-26        kinaba: double start_time; string timer()
197afdc1d0 2015-03-26        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
197afdc1d0 2015-03-26        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
197afdc1d0 2015-03-26        kinaba:  { os << "{ ";
197afdc1d0 2015-03-26        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
197afdc1d0 2015-03-26        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
197afdc1d0 2015-03-26        kinaba: void verify_case(const string& Expected, const string& Received) {
197afdc1d0 2015-03-26        kinaba:  bool ok = (Expected == Received);
197afdc1d0 2015-03-26        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
197afdc1d0 2015-03-26        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
197afdc1d0 2015-03-26        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
197afdc1d0 2015-03-26        kinaba: #define END	 verify_case(_, CountryGroupHard().solve(a));}
197afdc1d0 2015-03-26        kinaba: int main(){
197afdc1d0 2015-03-26        kinaba: 
197afdc1d0 2015-03-26        kinaba: CASE(0)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = {0,2,3,0,0};
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = "Sufficient";
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: CASE(1)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = {0,2,0};
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = "Insufficient";
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: CASE(2)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = {0,3,0,0,3,0};
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = "Sufficient";
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: CASE(3)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = {0,0,3,3,0,0};
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = "Insufficient";
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: CASE(4)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = {2,2,0,2,2};
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = "Sufficient";
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: /*
197afdc1d0 2015-03-26        kinaba: CASE(5)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = ;
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = ;
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: CASE(6)
197afdc1d0 2015-03-26        kinaba: 	int a_[] = ;
197afdc1d0 2015-03-26        kinaba: 	  vector <int> a(a_, a_+sizeof(a_)/sizeof(*a_));
197afdc1d0 2015-03-26        kinaba: 	string _ = ;
197afdc1d0 2015-03-26        kinaba: END
197afdc1d0 2015-03-26        kinaba: */
197afdc1d0 2015-03-26        kinaba: }
197afdc1d0 2015-03-26        kinaba: // END CUT HERE