#include<stdio.h>
void main()
{
int A[5][5],i,j,m,n,sum = 0;
clrscr();
printf(“nnt ENTER A ORDER OF THE MATRIX M,N…: “);
scanf(“%d,%d”,&m,&n);
printf(“nnt ENTER THE ELEMENTS OF THE MATRIX..:nn”);
if(m == n)
{
for(i=1;i<=m;i++)
{
for(j=1;j<=n;j++)
{
gotoxy(20+j*4,12+i*2);
scanf(“%d”,&A[i][j]);
}
printf(“n”);
}
for(i=1;i<=m;i++)
sum = sum + A[i][n+1-i];
printf(“nt THE SUM OF SECONDARY DIAGONAL OF A MATRIX IS…: %d”, sum);
}
else
{
printf(“nt THE ORDER OF THE MATRIX IS NOT CORRECT”);
printf(“nnt HELP : ‘M’ SHOULD BE EQUAL TO ‘N’”);
}
getch();
}

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Tagged as: C Program - Find the sum of secondary diagonal of a Matrix, Find the sum of secondary diagonal of a Matrix