hdu1059 多重背包

import java.util.Scanner;

public class hdu1059 {
    //01背包
    public static boolean bag(int[] weight,int[] value,int V){
        int[] res = new int[V+1];
        for (int i = 0; i < weight.length; i++) {
            for (int j = V; j >= weight[i]; j--) {
                    res[j] = Math.max(res[j] , res[j-weight[i]]+value[i]);
            }
        }
        return (V == res[V]);
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int kkk = 0;
        while (sc.hasNext()){
            int a = sc.nextInt();
            int b = sc.nextInt();
            int c = sc.nextInt();
            int d = sc.nextInt();
            int e = sc.nextInt();
            int f = sc.nextInt();
            kkk++;
            if (a==0 && b==0 && c==0 && d==0&& e==0&& f==0){
                break;
            }
            int sum = a+2*b+3*c+4*d+5*e+6*f;
            if (sum%2==1){
                System.out.println("Collection #"+kkk+":");
                System.out.println("Can't be divided.");
                System.out.println();
            }else{
                int[] weight = new int[90];
                int[] value = new int[90];
                //int[] w = {a,c,e};
                int[] s = {a,b,c,d,e,f};
                int k = 0;
                for (int i = 0; i < 6; i++) {
                    for (int j = 1; j <= s[i]; j=j*2) {
                        weight[k] =(i+1)*j;
                        value[k] = (i+1)*j;
                        k++;
                        s[i] -= j;
                    }
                    if (s[i] != 0){
                        weight[k] = (i+1)*s[i];
                        value[k] = (i+1)*s[i];
                        k++;
                    }
                }
                if (bag(weight,value,sum/2)){
                    System.out.println("Collection #"+kkk+":");
                    System.out.println("Can be divided.");
                    System.out.println();
                }else{
                    System.out.println("Collection #"+kkk+":");
                    System.out.println("Can't be divided.");
                    System.out.println();
                }
            }
        }
    }
}