Cod sursa(job #2295643)

Utilizator cristian51090Oanta Cristian cristian51090 Data 3 decembrie 2018 20:23:41
Problema Factorial Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int main(){
long long i,n,s=0,aux=25,scadere;
fin >> n;
for(i=1;i<=n;i++) s+=5;
while(aux<=s){
    scadere+=(s-5)/aux;
    aux*=5;
}
if(n<0) fout << -1;
else if(n==0) fout << 1;
else fout << s;
return 0;
}