Cod sursa(job #29181)

Utilizator bebita99Micu Adrian bebita99 Data 8 martie 2007 18:49:16
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.22 kb
Raporteaza aceasta sursa 
#include <fstream.h>
int main()
{unsigned long int p,n,a,b;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;n=0;a=1;b=0;
while(b!=p) {n++;a=a*n;
             if (a%10==0) {b++;a=a/10;}
             }
g<<n;
return 0;}