Cod sursa(job #283212)
Utilizator | Data | 18 martie 2009 20:51:38 | |
---|---|---|---|
Problema | Factorial | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<stdio.h>
long put(long n)
{
long k=0;
while(n%5==0) { k++; n/=5; }
return k;
}
int main(void)
{
long i=0,n,t;
freopen("fact.in","r",stdin);
freopen("fact.out","w",stdout);
scanf("%ld",&n);
for(i=5; n; i+=5)
{
n-=put(i);
t=i;
}
printf("%ld",t);
return 0;
}