Cod sursa(job #1210611)
| Utilizator | Data | 20 iulie 2014 16:46:16 | |
|---|---|---|---|
| Problema | Kperm | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.49 kb |
#include<fstream>
#define modulo 666013
using namespace std;
long long l,p,i,n,k,r,c;
int main()
{
ifstream f("kperm.in");
ofstream g("kperm.out");
f>>n>>k;
if(k%2==0)
{
g<<0<<'\n';
return 0;
}
c=n/k;
r=n%k;
p=1;
for(i=1;i<=r;i++)
p=(p*i)%modulo;
l=1;
for(i=1;i<=c+1;i++)
l=(l*i)%modulo;
for(i=1;i<=r;i++)
p=(p*l)%modulo;
for(i=1;i<=k-r;i++)
p=(p*i)%modulo;
l=1;
for(i=1;i<=c;i++)
l=(l*i)%modulo;
for(i=1;i<=k-r;i++)
p=(p*l)%modulo;
g<<p;
return 0;
}
