串珠问题。错在哪里

import java.io.IOException; import java.util.*; /**  * Created by humac on 2017/9/7.  */ public class Main { public  static  void main(String args[]) throws IOException {
        Scanner sc=new Scanner(System.in); while (sc.hasNext()){
          String s=sc.nextLine(); int n=Integer.valueOf( s.split(" ")[0]); int m=Integer.valueOf( s.split(" ")[1]); int c=Integer.valueOf( s.split(" ")[2]);
            ArrayList array=new ArrayList();
          String [] strs=new String[n]; for(int i=0;i<n;i++){
              strs[i]=sc.nextLine();
          } for (int i=0;i<n;i++){

              List<String> list=new ArrayList<>(); for (int j=0;j<m;j++){ int flag=(i+j)%5;
                  String[] temp=strs[flag].split(" "); for (int t=1;t<temp.length;t++){ if (list.contains(temp[t])){ if(array.contains(temp[t])){ continue;
                          }else {
                              array.add(temp[t]);
                          }
                      }else {
                          list.add(temp[t]);
                      }
                  }
              }
          } if (array.contains("0")){
              System.out.println(array.size()-1);
          }else {
              System.out.println(array.size());
          }
          
        }
    }



}