Cod sursa(job #2397040)
| Utilizator | Data | 4 aprilie 2019 09:21:25 | |
|---|---|---|---|
| Problema | Kperm | Scor | 40 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <fstream>
#define mod 666013
using namespace std;
ifstream f("kperm.in");
ofstream g("kperm.out");
int P,c,n,k,r,i,j,a;
int main()
{ f>>n>>k;
c=n/k;
r=n%k;
if(k%2==0){
g<<0;
return 0;
}
P=1;a=1;
for(i=1;i<=r;i++)
a=(a*i)%mod;
P=(P*a)%mod;
a=1;
for(i=1;i<=k-r;i++)
a=(a*i)%mod;
P=(P*a)%mod;
a=1;
for(i=1;i<=c+1;i++)
a=(a*i)%mod;
for(i=1;i<=r;i++)
P=(P*a)%mod;
a=1;
for(i=1;i<=c;i++)
a=(a*i)%mod;
for(i=1;i<=k-r;i++)
P=(P*a)%mod;
g<<P%mod;
return 0;
}
