Cod sursa(job #557752)
Utilizator | Data | 16 martie 2011 20:25:19 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream.h>
int main()
{
ifstream fin("fact.in");
ofstream fout("fact.out");
int i,p,a=0;
fin>>p;
for(i=1;i<=p;i++)
a=a+5;
if(p==0)
fout<<1;
else
if(a==0)
fout<<-1;
else
if(p==5)
fout<<-1;
if(p<10)
fout<<a;
else
fout<<a-5;
return 0;
}