Mai intai trebuie sa te autentifici.
Cod sursa(job #2332816)
Utilizator | Data | 31 ianuarie 2019 11:48:16 | |
---|---|---|---|
Problema | Kperm | Scor | 50 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.78 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("kperm.in");
ofstream out("kperm.out");
const int mod = 666013;
int main()
{
int n, k;
in >> n >> k;
int c = n / k;
int r = n % k;
int rez = 1;
int a = 1;
for(int i = 1; i <= c + 1; i++)
a = 1LL * a * i % mod;
for(int i = 1; i <= r; i++)
rez = rez * a % mod;
a = 1;
for(int i = 1; i <= c; i++)
a = 1LL * a * i % mod;
for(int i = 1; i <= k - r; i++)
rez = 1LL * rez * a % mod;
a = 1;
for(int i = 1; i <= r; i++)
a = 1LL * a * i % mod;
rez = 1LL * rez * a % mod;
a = 1;
for(int i = 1; i <= k - r; i++)
a = 1LL * a * i % mod;
out << 1LL * rez * a % mod << "\n";
return 0;
}