Artifact 0cd8df21a9e202cb552b08c73b5f871dbde8a130
#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <functional>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
#include <cstring>
#ifdef __GNUC__
#include <ext/hash_map>
#define unordered_map __gnu_cxx::hash_map
#else
#include <unordered_map>
#endif
using namespace std;
typedef long long LL;
typedef complex<double> CMP;
class KingXNewCurrency { public:
int howMany(int A, int B, int X)
{
if(A%X==0 && B%X==0)
return -1;
int cnt = 0;
for(int Y=1; Y<=max(A,B); ++Y)
if( possible(A,B,X,Y) )
cnt++;
return cnt;
}
bool possible(int A, int B, int X, int Y)
{
bool Aok = false;
for(int p=0; p*X<=A; ++p)
if( (A-p*X)%Y == 0 )
Aok = true;
bool Bok = false;
for(int p=0; p*X<=B; ++p)
if( (B-p*X)%Y == 0 )
Bok = true;
return Aok&&Bok;
}
};
// BEGIN CUT HERE
#include <ctime>
double start_time; string timer()
{ ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
{ os << "{ ";
for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
void verify_case(const int& Expected, const int& Received) {
bool ok = (Expected == Received);
if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl;
cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
#define END verify_case(_, KingXNewCurrency().howMany(A, B, X));}
int main(){
CASE(0)
int A = 5;
int B = 8;
int X = 5;
int _ = 5;
END
CASE(1)
int A = 8;
int B = 4;
int X = 2;
int _ = -1;
END
CASE(2)
int A = 7;
int B = 4;
int X = 13;
int _ = 1;
END
CASE(3)
int A = 47;
int B = 74;
int X = 44;
int _ = 2;
END
CASE(4)
int A = 128;
int B = 96;
int X = 3;
int _ = 65;
END
/*
CASE(5)
int A = ;
int B = ;
int X = ;
int _ = ;
END
CASE(6)
int A = ;
int B = ;
int X = ;
int _ = ;
END
*/
}
// END CUT HERE