Cod sursa(job #2295628)
| Utilizator |  Oanta Cristian cristian51090 |
Data | 3 decembrie 2018 20:14:09 |
|---|---|---|---|
| Problema | Factorial | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int main(){
long long i,n,s=0,aux1,aux2,aux3;
fin >> n;
for(i=1;i<=n;i++) s+=5;
aux1=(s-5)/25;
aux2=(s-5)/625;
aux3=(s-5)/390625;
s-=5*aux1;
s-=5*aux2;
s-=5*aux3;
fout << s;
return 0;
}
