Cod sursa(job #2554181)
Utilizator | Ticu Bogdan Valeriu BogdanTicu | Data | 22 februarie 2020 17:25:28 |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.69 kb |
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int zeros(int n)
{
int ans=0;
if(n==0) return 1;
else{
while(n>0)
{
if(n%10==0)
ans++;
n/=10;
}
return ans;
}
}
int main()
{
int p,ok=1;
f>>p;
if(p==0)
g<<1;
else{
int prod=1,aux;
for(int i=2;i<=p*5;i++)
{
prod*=i;
aux=zeros(prod);
if(aux==p)
g<<i;
if(aux>p)
{
g<<"-1";
break;
}
}
}
return 0;
}