9度oj 题目1001：A+B for Matrices【水题】

import java.util.Scanner;
public class Main 
{
    public static void main(String[] args) 
    {
        Scanner cin = new Scanner(System.in);
        int [][]a = new int[20][20];
        int n,m;
        while(1>0)
        {
            n=cin.nextInt();
            if(n==0)return ;
            m=cin.nextInt();
            for (int i = 0; i<n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    a[i][j] = cin.nextInt();
                }
            }
            for (int i = 0; i<n; i++)
            {
                for (int j = 0; j < m; j++)
                {
                    int t = cin.nextInt();
                    a[i][j] +=t; 
                }
            }
            int count = 0;
            for(int i=0,j=0;i<n;i++)
            {
                for(j=0;j<m;j++)
                {
                    if(a[i][j]!=0)
                        break;
                }
                if(j==m) count++;
            }
            for(int i=0,j=0;i<m;i++)
            {
                for(j=0;j<n;j++)
                {
                    if(a[j][i]!=0)
                        break;
                }
                if(j==n) count++;
            }
            System.out.println(count);
        } 
    }  
}