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 Inequalities { public:
4fd800b3a8 2011-02-23        kinaba: 	int maximumSubset(vector <string> inequalities)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		set<double> v;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		for(int i=0; i<inequalities.size(); ++i)
4fd800b3a8 2011-02-23        kinaba: 		{
4fd800b3a8 2011-02-23        kinaba: 			stringstream ss(inequalities[i]);
4fd800b3a8 2011-02-23        kinaba: 			char _; string OP; double C;
4fd800b3a8 2011-02-23        kinaba: 			ss >> _ >> OP >> C;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 			v.insert(C);
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		set<double> vv = v;
4fd800b3a8 2011-02-23        kinaba: 		vv.insert( *v.begin() - 1 );
4fd800b3a8 2011-02-23        kinaba: 		vv.insert( *v.rbegin() + 1 );
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		for(set<double>::iterator it=v.begin(); it!=v.end(); ++it)
4fd800b3a8 2011-02-23        kinaba: 		for(set<double>::iterator jt=v.begin(); jt!=v.end(); ++jt)
4fd800b3a8 2011-02-23        kinaba: 			vv.insert( (*it + *jt)/2 );
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		int maxSat = 0;
4fd800b3a8 2011-02-23        kinaba: 		for(set<double>::iterator it=vv.begin(); it!=vv.end(); ++it)
4fd800b3a8 2011-02-23        kinaba: 		{
4fd800b3a8 2011-02-23        kinaba: 			double X = *it;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 			int sat = 0;
4fd800b3a8 2011-02-23        kinaba: 			for(int i=0; i<inequalities.size(); ++i)
4fd800b3a8 2011-02-23        kinaba: 			{
4fd800b3a8 2011-02-23        kinaba: 				stringstream ss(inequalities[i]);
4fd800b3a8 2011-02-23        kinaba: 				char _; string OP; double C;
4fd800b3a8 2011-02-23        kinaba: 				ss >> _ >> OP >> C;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 				if( (OP=="<" && X<C)
4fd800b3a8 2011-02-23        kinaba: 				 || (OP=="<=" && X<=C)
4fd800b3a8 2011-02-23        kinaba: 				 || (OP=="=" && X==C)
4fd800b3a8 2011-02-23        kinaba: 				 || (OP==">" && X>C)
4fd800b3a8 2011-02-23        kinaba: 				 || (OP==">=" && X>=C) )
4fd800b3a8 2011-02-23        kinaba: 					++sat;
4fd800b3a8 2011-02-23        kinaba: 			}
4fd800b3a8 2011-02-23        kinaba: 			maxSat = max(maxSat, sat);
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 		return maxSat;
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 int& Expected, const int& 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(_, Inequalities().maximumSubset(inequalities));}
4fd800b3a8 2011-02-23        kinaba: int main(){
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: CASE(0)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X <= 12","X = 13","X > 9","X < 10","X >= 14"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 3;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(1)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X < 0","X <= 0"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 2;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(2)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X = 1","X = 2","X = 3","X > 0"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 2;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(3)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X <= 521","X >= 521","X = 521","X > 902","X > 12","X <= 1000"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 5;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(4)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X > 0"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 1;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X > 0", "X <= 0"};
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 1;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(6)
4fd800b3a8 2011-02-23        kinaba: 	string inequalities_[] = {"X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", "X = 0", };
4fd800b3a8 2011-02-23        kinaba: 	  vector <string> inequalities(inequalities_, inequalities_+sizeof(inequalities_)/sizeof(*inequalities_));
4fd800b3a8 2011-02-23        kinaba: 	int _ = 50;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: }
4fd800b3a8 2011-02-23        kinaba: // END CUT HERE