[编程入门]矩阵对角线求和-题解（Java代码）

解题思路:

注意事项:

参考代码:

import java.math.BigDecimal;
import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
   
       Scanner scanner=new Scanner(System.in);
          int a[]=new int[10];
          int sum=0,sum1=0;
          for(int i=0;i<9;i++)
          {a[i]=scanner.nextInt();
          if(i==0||i==8)
              sum+=a[i];
          else if(i==4)
          {
              sum+=a[i];
              sum1+=a[i];
          }
          else if(i==2||i==6)
              sum1+=a[i];
          else
          continue;}
          System.out.println(sum+"\t"+sum1);
   
}
}