Cod sursa(job #981636)
Utilizator | Data | 7 august 2013 17:28:07 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<fstream>
using namespace std;
int main()
{
int i,p,c=0;
ifstream f("fact.in");
f>>p;f.close();
for(i=5;c!=p;i+=5)c++;
while(i>=25)
{int s=i;
while(!(s/5%5)){s/=5;c--;}
i-=5;}
ofstream g("fact.out");
if(!p)g<<1;
else g<<i-5;g.close();
}