Cod sursa(job #276793)

Utilizator cryowarCristian Barbu cryowar Data 11 martie 2009 12:39:58
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream.h>

ifstream f("fact.in"); ofstream g("fact.out");

long long nr=2,p,cinci=0;

int main() {

f>>p;

while(cinci<p){ long long aux=nr;
                  while(aux%5==0) {cinci++;aux/=5;}
                nr++;
              }

if(cinci==p) g<<nr;
else g<<"-1";
f.close();
g.close();
return 0;
}