Cod sursa(job #636317)
Utilizator | Data | 19 noiembrie 2011 18:46:43 | |
---|---|---|---|
Problema | Dirichlet | Scor | 0 |
Compilator | cpp | Status | done |
Runda | .com 2011 | Marime | 0.25 kb |
#include<fstream>
using namespace std;
int main()
{
long long n,prev=0,i;
ifstream q("dirichlet.in");
ofstream w("dirichlet.out");
q>>n;
for(i=1;i<=n;i++)
{
prev=(prev*(i-1)+1);
}
w<<prev;
return 0;
}