Cod sursa(job #1209181)
Utilizator | Data | 17 iulie 2014 12:04:14 | |
---|---|---|---|
Problema | Factorial | Scor | 25 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream f ("fact.in");
ofstream g("fact.out");
int t,p;
long long z,a;
int main()
{
f>>p;
if(p==0)
g<<1;
else{
while(t<p){
z=z+5;
a=z;
while(a%5==0){
t++;
a=a/5;
}}
if(t==p)
g<<z;
else
g<<-1;}
return 0;
}