99eae4eb4a 2011-12-28        kinaba: #include <iostream>
99eae4eb4a 2011-12-28        kinaba: #include <sstream>
99eae4eb4a 2011-12-28        kinaba: #include <iomanip>
99eae4eb4a 2011-12-28        kinaba: #include <vector>
99eae4eb4a 2011-12-28        kinaba: #include <string>
99eae4eb4a 2011-12-28        kinaba: #include <map>
99eae4eb4a 2011-12-28        kinaba: #include <set>
99eae4eb4a 2011-12-28        kinaba: #include <algorithm>
99eae4eb4a 2011-12-28        kinaba: #include <numeric>
99eae4eb4a 2011-12-28        kinaba: #include <iterator>
99eae4eb4a 2011-12-28        kinaba: #include <functional>
99eae4eb4a 2011-12-28        kinaba: #include <complex>
99eae4eb4a 2011-12-28        kinaba: #include <queue>
99eae4eb4a 2011-12-28        kinaba: #include <stack>
99eae4eb4a 2011-12-28        kinaba: #include <cmath>
99eae4eb4a 2011-12-28        kinaba: #include <cassert>
99eae4eb4a 2011-12-28        kinaba: #include <cstring>
99eae4eb4a 2011-12-28        kinaba: #ifdef __GNUC__
99eae4eb4a 2011-12-28        kinaba: #include <ext/hash_map>
99eae4eb4a 2011-12-28        kinaba: #define unordered_map __gnu_cxx::hash_map
99eae4eb4a 2011-12-28        kinaba: #else
99eae4eb4a 2011-12-28        kinaba: #include <unordered_map>
99eae4eb4a 2011-12-28        kinaba: #endif
99eae4eb4a 2011-12-28        kinaba: using namespace std;
99eae4eb4a 2011-12-28        kinaba: typedef long long LL;
99eae4eb4a 2011-12-28        kinaba: typedef complex<double> CMP;
99eae4eb4a 2011-12-28        kinaba: 
99eae4eb4a 2011-12-28        kinaba: class MagicCandy { public:
99eae4eb4a 2011-12-28        kinaba: 	int whichOne(int n)
99eae4eb4a 2011-12-28        kinaba: 	{
99eae4eb4a 2011-12-28        kinaba: 		int r = n;
99eae4eb4a 2011-12-28        kinaba: 		while( n > 1 ) {
99eae4eb4a 2011-12-28        kinaba: 			int sn = int(sqrt(n));
99eae4eb4a 2011-12-28        kinaba: 			r -= (sn*sn == n);
99eae4eb4a 2011-12-28        kinaba: 			n -= sn;
99eae4eb4a 2011-12-28        kinaba: 		}
99eae4eb4a 2011-12-28        kinaba: 		return r;
99eae4eb4a 2011-12-28        kinaba: 	}
99eae4eb4a 2011-12-28        kinaba: };
99eae4eb4a 2011-12-28        kinaba: 
99eae4eb4a 2011-12-28        kinaba: // BEGIN CUT HERE
99eae4eb4a 2011-12-28        kinaba: #include <ctime>
99eae4eb4a 2011-12-28        kinaba: double start_time; string timer()
99eae4eb4a 2011-12-28        kinaba:  { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
99eae4eb4a 2011-12-28        kinaba: template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
99eae4eb4a 2011-12-28        kinaba:  { os << "{ ";
99eae4eb4a 2011-12-28        kinaba:    for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
99eae4eb4a 2011-12-28        kinaba:    os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
99eae4eb4a 2011-12-28        kinaba: void verify_case(const int& Expected, const int& Received) {
99eae4eb4a 2011-12-28        kinaba:  bool ok = (Expected == Received);
99eae4eb4a 2011-12-28        kinaba:  if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
99eae4eb4a 2011-12-28        kinaba:  cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
99eae4eb4a 2011-12-28        kinaba: #define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
99eae4eb4a 2011-12-28        kinaba: #define END	 verify_case(_, MagicCandy().whichOne(n));}
99eae4eb4a 2011-12-28        kinaba: int main(){
99eae4eb4a 2011-12-28        kinaba: CASE(0)
99eae4eb4a 2011-12-28        kinaba: 	int n = 5;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 5;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(1)
99eae4eb4a 2011-12-28        kinaba: 	int n = 9;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 7;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(2)
99eae4eb4a 2011-12-28        kinaba: 	int n = 20;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 17;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(3)
99eae4eb4a 2011-12-28        kinaba: 	int n = 5265;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 5257;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(4)
99eae4eb4a 2011-12-28        kinaba: 	int n = 20111223;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 20110741;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: /*
99eae4eb4a 2011-12-28        kinaba: CASE(5)
99eae4eb4a 2011-12-28        kinaba: 	int n = 1;
99eae4eb4a 2011-12-28        kinaba: 	int _ = 1;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(6)
99eae4eb4a 2011-12-28        kinaba: 	int n = ;
99eae4eb4a 2011-12-28        kinaba: 	int _ = ;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: CASE(7)
99eae4eb4a 2011-12-28        kinaba: 	int n = ;
99eae4eb4a 2011-12-28        kinaba: 	int _ = ;
99eae4eb4a 2011-12-28        kinaba: END
99eae4eb4a 2011-12-28        kinaba: */
99eae4eb4a 2011-12-28        kinaba: }
99eae4eb4a 2011-12-28        kinaba: // END CUT HERE