Cod sursa(job #1106802)

Utilizator DoraNicoTilica Dora Nicoleta DoraNico Data 13 februarie 2014 10:52:14
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;


ifstream f("factorial.in");

ofstream g("factorial.out");

int main()

{long p,n,m,s=0;

f>>p;

n=p*4;

while(s<p)

{s=0;

m=n;

while(m!=0)

{m=m/5;

s=s+m;}

n++;
}

if(s!=p)

	g<<-1;

else
	if(p==0)
g<<1;

else
g<<n-1;

f.close();
g.close();
return 0;}