a0df672a95 2013-12-04        kinaba: #include <iostream>
a0df672a95 2013-12-04        kinaba: #include <sstream>
a0df672a95 2013-12-04        kinaba: #include <iomanip>
a0df672a95 2013-12-04        kinaba: #include <vector>
a0df672a95 2013-12-04        kinaba: #include <string>
a0df672a95 2013-12-04        kinaba: #include <map>
a0df672a95 2013-12-04        kinaba: #include <set>
a0df672a95 2013-12-04        kinaba: #include <algorithm>
a0df672a95 2013-12-04        kinaba: #include <numeric>
a0df672a95 2013-12-04        kinaba: #include <iterator>
a0df672a95 2013-12-04        kinaba: #include <functional>
a0df672a95 2013-12-04        kinaba: #include <complex>
a0df672a95 2013-12-04        kinaba: #include <queue>
a0df672a95 2013-12-04        kinaba: #include <stack>
a0df672a95 2013-12-04        kinaba: #include <cmath>
a0df672a95 2013-12-04        kinaba: #include <cassert>
a0df672a95 2013-12-04        kinaba: #include <tuple>
a0df672a95 2013-12-04        kinaba: using namespace std;
a0df672a95 2013-12-04        kinaba: typedef long long LL;
a0df672a95 2013-12-04        kinaba: typedef complex<double> CMP;
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: class BinPacking { public:
a0df672a95 2013-12-04        kinaba: 	int minBins(vector <int> item)
a0df672a95 2013-12-04        kinaba: 	{
a0df672a95 2013-12-04        kinaba: 		sort(item.begin(), item.end());
a0df672a95 2013-12-04        kinaba: 		return rec(item);
a0df672a95 2013-12-04        kinaba: 	}
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: 	int rec(vector<int>& item)
a0df672a95 2013-12-04        kinaba: 	{
a0df672a95 2013-12-04        kinaba: 		if(item.empty())
a0df672a95 2013-12-04        kinaba: 			return 0;
a0df672a95 2013-12-04        kinaba: 		if(item.back() == 100)
a0df672a95 2013-12-04        kinaba: 			return (item.size()+2)/3;
a0df672a95 2013-12-04        kinaba: 		int w = item.back();
a0df672a95 2013-12-04        kinaba: 		item.pop_back();
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: 		int i = -1;
a0df672a95 2013-12-04        kinaba: 		for(int k=0; k<item.size(); ++k)
a0df672a95 2013-12-04        kinaba: 			if(item[k] + w <= 300)
a0df672a95 2013-12-04        kinaba: 				i = k;
a0df672a95 2013-12-04        kinaba: 		if(i!=-1)
a0df672a95 2013-12-04        kinaba: 			item.erase(item.begin() + i);
a0df672a95 2013-12-04        kinaba: 		return 1 + rec(item);
a0df672a95 2013-12-04        kinaba: 	}
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: };
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: // BEGIN CUT HERE
a0df672a95 2013-12-04        kinaba: #include <ctime>
a0df672a95 2013-12-04        kinaba: double start_time; string timer()
a0df672a95 2013-12-04        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
a0df672a95 2013-12-04        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
a0df672a95 2013-12-04        kinaba:  { os << "{ ";
a0df672a95 2013-12-04        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
a0df672a95 2013-12-04        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
a0df672a95 2013-12-04        kinaba: void verify_case(const int& Expected, const int& Received) {
a0df672a95 2013-12-04        kinaba:  bool ok = (Expected == Received);
a0df672a95 2013-12-04        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
a0df672a95 2013-12-04        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
a0df672a95 2013-12-04        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
a0df672a95 2013-12-04        kinaba: #define END	 verify_case(_, BinPacking().minBins(item));}
a0df672a95 2013-12-04        kinaba: int main(){
a0df672a95 2013-12-04        kinaba: 
a0df672a95 2013-12-04        kinaba: CASE(0)
a0df672a95 2013-12-04        kinaba: 	int item_[] = {150, 150, 150, 150, 150};
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = 3;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: CASE(1)
a0df672a95 2013-12-04        kinaba: 	int item_[] = {130, 140, 150, 160};
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = 2;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: CASE(2)
a0df672a95 2013-12-04        kinaba: 	int item_[] = {100, 100, 100, 100, 100, 100, 100, 100, 100};
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = 3;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: CASE(3)
a0df672a95 2013-12-04        kinaba: 	int item_[] = {100, 200, 100, 100, 100, 100, 200, 100, 200};
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = 4;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: CASE(4)
a0df672a95 2013-12-04        kinaba: 	int item_[] = {157, 142, 167, 133, 135, 157, 143, 160, 141, 123, 162, 159, 165, 137, 138, 152};
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = 8;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: /*
a0df672a95 2013-12-04        kinaba: CASE(5)
a0df672a95 2013-12-04        kinaba: 	int item_[] = ;
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = ;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: CASE(6)
a0df672a95 2013-12-04        kinaba: 	int item_[] = ;
a0df672a95 2013-12-04        kinaba: 	  vector <int> item(item_, item_+sizeof(item_)/sizeof(*item_));
a0df672a95 2013-12-04        kinaba: 	int _ = ;
a0df672a95 2013-12-04        kinaba: END
a0df672a95 2013-12-04        kinaba: */
a0df672a95 2013-12-04        kinaba: }
a0df672a95 2013-12-04        kinaba: // END CUT HERE