Cod sursa(job #104116)
Utilizator | Data | 15 noiembrie 2007 22:09:51 | |
---|---|---|---|
Problema | Factorial | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<fstream.h>
int p,a[20010];
int main()
{ ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
a[1]=5;
if(p
for(int i=2;i<=20000;i++)
{ a[i]=a[i-1]+5;
if(i%6==0)
{ a[i]=a[i-1];
a[i-1]=0;
}
}
if(a[p]!=0) g<<a[p];
else g<<-1;
f.close();
g.close();
return 0;
}