Cod sursa(job #111153)
Utilizator | Data | 28 noiembrie 2007 18:37:42 | |
---|---|---|---|
Problema | Aliens | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.43 kb |
#include<fstream.h>
long int n, x[51],y[51],max=0,s=1,j=1;
void back(long int k)
{for(long int i=k;i<=n;i++)
if(x[i]!=0 && y[i]!=0)
{s*=x[i];
j*=y[i];
if(s%j==0 && max<(s/j)) max=s/j;
back(i+1);
s/=x[i];
j/=y[i];
} }
int main()
{long int i;
ifstream f("aliens.in");
ofstream g("aliens.out");
f>>n;
for(i=1;i<=n;i++)
f>>x[i]>>y[i];
back(1);
g<<max<<'\n';
f.close();
g.close();
return 0;
}