Cod sursa(job #2258865)
Utilizator | Data | 12 octombrie 2018 12:08:50 | |
---|---|---|---|
Problema | Pascal | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include <iostream>
#include <fstream>
using namespace std;
int fact(int n)
{
if(n==0)
return 1;
else
return n*fact(n-1);
}
int main()
{
ifstream fin("pascal.in");
ofstream fout("pascal.out");
int R,D,i,t=0;
fin>>R>>D;
for(i=0;i<=R-1;i++)
{
if((fact(R)/(fact(R-i)*fact(i)))%D==0)
t++;
}
fout<<t;
fin.close();
fout.close();
return 0;
}