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Cod sursa(job #443238)
#include<fstream>
using namespace std;
long i,j,m,nr,nr1;
int d,n;
long fact(long n)
{
if(n==0||n==1)
return 1;
else
return n*fact(n-1);
}
int main()
{
ifstream f("pascal.in");
ofstream g("pascal.out");
f>>n>>d;
if(n%2==0)
{
for(i=0;i<n/2;i++)
{
m=fact(n)/(fact(n-i)*fact(i));
if(m%d==0)
nr++;
}
g<<nr*2+1;
}
else
{
while(i<=n/2)
{
m=fact(n)/(fact(n-i)*fact(i));
if(m%d==0)
nr++;
i++;
}
g<<nr*2;
}
return 0;
}