Cod sursa(job #2186737)
Utilizator | Data | 25 martie 2018 21:29:49 | |
---|---|---|---|
Problema | 12-Perm | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include <fstream>
#define mod 1048576
using namespace std;
ifstream cin("12perm.in");
ofstream cout("12perm.out");
int v[15000005],n,k,nr;
int main()
{
v[1]=1;
v[2]=2;
v[3]=6;
v[4]=12;
cin >> n;
for(int i=5; i<=n; i++)
{
v[i]=(v[i-1]+v[i-3] + 2*(i-2))%mod;
}
cout << v[n];
return 0;
}