/**
*
* Double dimension array diagonal addition
* Each diagonal sum without repetition of mid value
* InspireSkills : Khurshid Md Anwar
*
*/
public class MatrixAddWithoutRepetingMidValue
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
int i,j,s1,s2,r,c,a;
System.out.println("Enter Row or Col");
r=sc.nextInt();
int n[][]=new int[r][r];
s1=s2=0;
System.out.println("Enter values into Matrix");
for(i=0;i<r;i++)
{
for(j=0;j<r;j++)
{
n[i][j] = sc.nextInt();
}
}
System.out.println("Print Matrix");
for(i=0; i<r; i++)
{
for(j=0; j<r; j++)
{
System.out.print(n[i][j] + " ");
}
System.out.println();
}
for(i=0; i<r; i++)
{
s1 = s1 + n[i][i];
}
c = r-1;
for(i=0;i<r;i++)
{
s2 = s2 + n[i][c];
c--;
}
// Excluding the repeating mid value
s2 = s2 - n[r/2][r/2];
System.out.println("Mid Value="+n[r/2][r/2]);
System.out.println("First Diagonal sum=" + s1);
System.out.println("Second Diagonal sum=" + s2);
System.out.println("Sum of Two diagonal without repeating value is "+ (s1+s2));
}
}
Output
Enter Row or Col
3
Enter values into Matrix
9
8
7
6
5
4
3
2
1
Print Matrix
9 8 7
6 5 4
3 2 1
Mid Value=5
First Diagonal sum=15
Second Diagonal sum=10
Sum of Two diagonal without repeating value is 25
Few more program
