2016搜狗：矩阵元素相乘

import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            String[] line = in.nextLine().split(" ");
            int r = Integer.valueOf(line[0]);
            int c = Integer.valueOf(line[1]);
            int[][] A = new int[r][c];
            for(int i=0;i<r;i++){
                line = in.n extLine().split(" ");
                for(int j=0;j<c;j++){
                    A[i][j] = Integer.valueOf(line[j]);
                }
            }
            int Max = 0;
            for(int i=0;i< r;i++){
                for(int j=0;j<c;j++){
                    int subMax = calculate(A,i,j,r,c);
                    Max = subMax > Max?subMax:Max;
                }
            }
            System.out.println(Max);
            
        }
    }
    public static int calculate(int[][] A,int i,int j,int r,int c){
        int sum = 1;
        for(int ri=0;ri<r;ri++){
            if(ri==i)
                continue;
            sum*=A[ri][j];
        }
        for(int cj=0;cj<c;cj++){
            if(cj==j)
                continue;
            sum*=A[i][cj];
        }
        return sum;
    }

}