f7e7bde312 2012-09-01        kinaba: #include <iostream>
f7e7bde312 2012-09-01        kinaba: #include <sstream>
f7e7bde312 2012-09-01        kinaba: #include <iomanip>
f7e7bde312 2012-09-01        kinaba: #include <vector>
f7e7bde312 2012-09-01        kinaba: #include <string>
f7e7bde312 2012-09-01        kinaba: #include <map>
f7e7bde312 2012-09-01        kinaba: #include <set>
f7e7bde312 2012-09-01        kinaba: #include <algorithm>
f7e7bde312 2012-09-01        kinaba: #include <numeric>
f7e7bde312 2012-09-01        kinaba: #include <iterator>
f7e7bde312 2012-09-01        kinaba: #include <functional>
f7e7bde312 2012-09-01        kinaba: #include <complex>
f7e7bde312 2012-09-01        kinaba: #include <queue>
f7e7bde312 2012-09-01        kinaba: #include <stack>
f7e7bde312 2012-09-01        kinaba: #include <cmath>
f7e7bde312 2012-09-01        kinaba: #include <cassert>
f7e7bde312 2012-09-01        kinaba: using namespace std;
f7e7bde312 2012-09-01        kinaba: typedef long long LL;
f7e7bde312 2012-09-01        kinaba: typedef long double LD;
f7e7bde312 2012-09-01        kinaba: typedef complex<LD> CMP;
f7e7bde312 2012-09-01        kinaba: 
f7e7bde312 2012-09-01        kinaba: class PlatypusDuckAndBeaver { public:
f7e7bde312 2012-09-01        kinaba: 	int minimumAnimals(int webbedFeet, int duckBills, int beaverTails)
f7e7bde312 2012-09-01        kinaba: 	{
f7e7bde312 2012-09-01        kinaba: 		// 2 1 0
f7e7bde312 2012-09-01        kinaba: 		// 4 0 1
f7e7bde312 2012-09-01        kinaba: 		// 4 1 1
f7e7bde312 2012-09-01        kinaba: 		for(int c=0 ;; ++c)
f7e7bde312 2012-09-01        kinaba: 		{
f7e7bde312 2012-09-01        kinaba: 			int a = duckBills - c;
f7e7bde312 2012-09-01        kinaba: 			int b = beaverTails - c;
f7e7bde312 2012-09-01        kinaba: 			if(a*2+b*4+c*4 == webbedFeet)
f7e7bde312 2012-09-01        kinaba: 				return a+b+c;
f7e7bde312 2012-09-01        kinaba: 		}
f7e7bde312 2012-09-01        kinaba: 	}
f7e7bde312 2012-09-01        kinaba: };
f7e7bde312 2012-09-01        kinaba: 
f7e7bde312 2012-09-01        kinaba: // BEGIN CUT HERE
f7e7bde312 2012-09-01        kinaba: #include <ctime>
f7e7bde312 2012-09-01        kinaba: double start_time; string timer()
f7e7bde312 2012-09-01        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
f7e7bde312 2012-09-01        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
f7e7bde312 2012-09-01        kinaba:  { os << "{ ";
f7e7bde312 2012-09-01        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
f7e7bde312 2012-09-01        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
f7e7bde312 2012-09-01        kinaba: void verify_case(const int& Expected, const int& Received) {
f7e7bde312 2012-09-01        kinaba:  bool ok = (Expected == Received);
f7e7bde312 2012-09-01        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
f7e7bde312 2012-09-01        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
f7e7bde312 2012-09-01        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
f7e7bde312 2012-09-01        kinaba: #define END	 verify_case(_, PlatypusDuckAndBeaver().minimumAnimals(webbedFeet, duckBills, beaverTails));}
f7e7bde312 2012-09-01        kinaba: int main(){
f7e7bde312 2012-09-01        kinaba: 
f7e7bde312 2012-09-01        kinaba: CASE(0)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = 4;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = 1;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = 1;
f7e7bde312 2012-09-01        kinaba: 	int _ = 1;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: CASE(1)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = 0;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = 0;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = 0;
f7e7bde312 2012-09-01        kinaba: 	int _ = 0;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: CASE(2)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = 10;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = 2;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = 2;
f7e7bde312 2012-09-01        kinaba: 	int _ = 3;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: CASE(3)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = 60;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = 10;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = 10;
f7e7bde312 2012-09-01        kinaba: 	int _ = 20;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: CASE(4)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = 1000;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = 200;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = 200;
f7e7bde312 2012-09-01        kinaba: 	int _ = 300;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: /*
f7e7bde312 2012-09-01        kinaba: CASE(5)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = ;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = ;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = ;
f7e7bde312 2012-09-01        kinaba: 	int _ = ;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: CASE(6)
f7e7bde312 2012-09-01        kinaba: 	int webbedFeet = ;
f7e7bde312 2012-09-01        kinaba: 	int duckBills = ;
f7e7bde312 2012-09-01        kinaba: 	int beaverTails = ;
f7e7bde312 2012-09-01        kinaba: 	int _ = ;
f7e7bde312 2012-09-01        kinaba: END
f7e7bde312 2012-09-01        kinaba: */
f7e7bde312 2012-09-01        kinaba: }
f7e7bde312 2012-09-01        kinaba: // END CUT HERE