http://poj.org/problem?id=1972 //* @author: <strong> import java.util.*; public class Main { static int max(int u,int v,int w,int x) { if (u< v)u=v; if (u< w)u=w; if (u< x)u=x; return u; } public static void main(String[] args){ Scanner sc = new Scanner(System.in); int a[][]=new int[2][7],s[]=new int[6]; int nn=sc.nextInt(); while ((nn--)!=0) { int n=sc.nextInt(); for(int i=0;i< s.length;i++) s[i]=sc.nextInt(); a[0][s[0]]=a[0][s[5]]=max(s[1],s[2],s[3],s[4]); a[0][s[1]]=a[0][s[3]]=max(s[0],s[2],s[4],s[5]); a[0][s[2]]=a[0][s[4]]=max(s[0],s[1],s[3],s[5]); for(int i=1;i< n;i++) { for(int j=0;j< s.length;j++) s[j]=sc.nextInt(); a[i&1][s[0]]=a[(i+1)&1][s[5]]+max(s[1],s[2],s[3],s[4]); a[i&1][s[5]]=a[(i+1)&1][s[0]]+max(s[1],s[2],s[3],s[4]); a[i&1][s[1]]=a[(i+1)&1][s[3]]+max(s[0],s[2],s[4],s[5]); a[i&1][s[3]]=a[(i+1)&1][s[1]]+max(s[0],s[2],s[4],s[5]); a[i&1][s[2]]=a[(i+1)&1][s[4]]+max(s[0],s[1],s[3],s[5]); a[i&1][s[4]]=a[(i+1)&1][s[2]]+max(s[0],s[1],s[3],s[5]); } int ans=0; if ((n%2)==0) for (int i=1;i<=6;i++) if (ans< a[1][i]) ans=a[1][i]; if (n%2!=0) for (int i=1;i<=6;i++) if (ans< a[0][i]) ans=a[0][i]; System.out.printf("%dn",ans); } } }
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