Cod sursa(job #637030)
Utilizator | Data | 20 noiembrie 2011 10:35:15 | |
---|---|---|---|
Problema | Dirichlet | Scor | 8 |
Compilator | cpp | Status | done |
Runda | .com 2011 | Marime | 0.33 kb |
# include <fstream>
using namespace std;
int sol, n, x[1000000];
void bk (int k)
{
for(int i=0;i<=k;++i)
if (i+x[k-1]<=k)
{
if (k==n-1)
++sol;
else
{
x[k]=x[k-1]+i;
bk(k+1);
}
}
}
int main ()
{
ifstream fin ("dirichlet.in");
ofstream fout ("dirichlet.out");
fin>>n;
bk(1);
fout<<sol;
return 0;
}