Cod sursa(job #36901)
Utilizator | Data | 24 martie 2007 12:04:05 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.21 kb |
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
long p,k=1;
int main()
{f>>p;
for(long i=2;i<=p;i++)
{k++;
long w=i-1;
while(w%5==0)
{w=w/5; k--;}
}
g<<k*5;
return 0;
}