SUM OF DIAGONAL ELEMENTS OF A MATRIX in c programming language

37. SUM OF DIAGONAL ELEMENTS OF A MATRIX

void main()

{

int a[10][10],i,j,sum=0,m,n;

clrscr();

printf("\nEnter the row and column of matrix");

scanf("%d %d",&m,&n);

printf("\nEnter the First matrix->");

for(i=0;i

for(j=0;j

scanf("%d",&a[i][j]);

printf("\nThe matrix is\n");

for(i=0;i

{

printf("\n");

for(j=0;j

{

printf("%d\t",a[i][j]);

}

}

for(i=0;i

{

for(j=0;j

{

if(i==j)

sum=sum+a[i][j];

}

}

printf("\n\nSum of the diagonal elements of a matrix is -> ");

printf("%d",sum);

getch();

}