Cod sursa(job #720503)

Utilizator misinozzz zzz misino Data 22 martie 2012 18:20:25
Problema 12-Perm Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>

#define MOD 1048576
using namespace std;
ifstream f("12perm.in");
ofstream g("12perm.out");
int a,b,c,d,e,n,i;
int main()
{f>>n;
a=1;
b=2;
c=6;
d=12;
for(i=5;i<=n;++i)
{e=(b+d+2*(i-2))%MOD;
a=b;
b=c;
c=d;
d=e;
}
if(n==4)
	g<<d<<'\n';
else
	g<<e<<'\n';
f.close();
g.close();
return 0;
}