Cod sursa(job #547242)
Utilizator | FMI - GabrielG GaborGabriel | Data | 6 martie 2011 01:15:44 |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.27 kb |
#include <fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
long long n,m,t=0;
int main()
{
f>>n;
if(n==0)
g<<1<<'\n';
else
{
m=n;
while(m/10!=0)
t++,m/=10;
t=t*5;
g<<5*n-t<<'\n';
}
f.close();
g.close();
return 0;
}