Cod sursa(job #1366692)
Utilizator | Data | 1 martie 2015 13:01:49 | |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include <fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
long long p,n,log5,v1,i,v2,s,j,s1[15],x,k,y,r,ct;
int main()
{fin>>p;
n=0;
while(p>0)
{n=n+5;
ct=0;
j=n;
while(j%5==0)
{ct++;
j=j/5;
}
p=p-ct;
}
fout<<n;
}