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 RouteIntersection { public:
4fd800b3a8 2011-02-23        kinaba: 	string isValid(int N, vector <int> coords, string moves)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		vector< map<int,int> > route;
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		map<int,int> cur;
4fd800b3a8 2011-02-23        kinaba: 		route.push_back(cur);
4fd800b3a8 2011-02-23        kinaba: 		for(int i=0; i<moves.size(); ++i) {
4fd800b3a8 2011-02-23        kinaba: 			int c = coords[i];
4fd800b3a8 2011-02-23        kinaba: 			int m = moves[i]=='+' ? +1 : -1;
4fd800b3a8 2011-02-23        kinaba: 			cur[c] += m;
4fd800b3a8 2011-02-23        kinaba: 			route.push_back(cur);
4fd800b3a8 2011-02-23        kinaba: 		}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 		for(int i=0; i<route.size(); ++i)
4fd800b3a8 2011-02-23        kinaba: 			for(int j=i+1; j<route.size(); ++j)
4fd800b3a8 2011-02-23        kinaba: 				if( is_same(route[i], route[j]) )
4fd800b3a8 2011-02-23        kinaba: 					return "NOT VALID";
4fd800b3a8 2011-02-23        kinaba: 		return "VALID";
4fd800b3a8 2011-02-23        kinaba: 	}
4fd800b3a8 2011-02-23        kinaba: 
4fd800b3a8 2011-02-23        kinaba: 	bool is_same(map<int,int>& a, map<int,int>& b)
4fd800b3a8 2011-02-23        kinaba: 	{
4fd800b3a8 2011-02-23        kinaba: 		for(map<int,int>::iterator it=b.begin(); it!=b.end(); ++it)
4fd800b3a8 2011-02-23        kinaba: 			if( a[it->first] != it->second )
4fd800b3a8 2011-02-23        kinaba: 				return false;
4fd800b3a8 2011-02-23        kinaba: 		return true;
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(_, RouteIntersection().isValid(N, coords, moves));}
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 = 1;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {1};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "+";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(1)
4fd800b3a8 2011-02-23        kinaba: 	int N = 2;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {1,2,1,2};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "++--";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "NOT VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(2)
4fd800b3a8 2011-02-23        kinaba: 	int N = 3;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {1,2,3,1,2};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "+++--";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(3)
4fd800b3a8 2011-02-23        kinaba: 	int N = 344447;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {132,51717,628,344447,628,51717,344447,2};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "+-++-+--";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "NOT VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(4)
4fd800b3a8 2011-02-23        kinaba: 	int N = 1;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {1,1};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "+-";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "NOT VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(5)
4fd800b3a8 2011-02-23        kinaba: 	int N = 990630;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = {833196,524568,361663,108056,28026,824639,269315,440977,440977,765458,
4fd800b3a8 2011-02-23        kinaba: 988451,242440,948414,130873,773990,765458,130873,28026,853121,553636,
4fd800b3a8 2011-02-23        kinaba: 581069,82254,735536,833196,898562,898562,940783,988451,540613,317306,
4fd800b3a8 2011-02-23        kinaba: 623194,940783,571384,988451,108056,514374,97664};
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = "--+---+-+++-+-+---++-++-+---+-+--+-++";
4fd800b3a8 2011-02-23        kinaba: 	string _ = "NOT VALID";
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: /*
4fd800b3a8 2011-02-23        kinaba: CASE(6)
4fd800b3a8 2011-02-23        kinaba: 	int N = ;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = ;
4fd800b3a8 2011-02-23        kinaba: 	string _ = ;
4fd800b3a8 2011-02-23        kinaba: END
4fd800b3a8 2011-02-23        kinaba: CASE(7)
4fd800b3a8 2011-02-23        kinaba: 	int N = ;
4fd800b3a8 2011-02-23        kinaba: 	int coords_[] = ;
4fd800b3a8 2011-02-23        kinaba: 	  vector <int> coords(coords_, coords_+sizeof(coords_)/sizeof(*coords_));
4fd800b3a8 2011-02-23        kinaba: 	string moves = ;
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