Subject : Structured Programming Approach

Title : Arrays, String, Structures and Union

Marks : 5M

#include<stdio.h>
#include<conio.h>
void main()
{
int m,n,i,j,a[10][10],sum=0;
clrscr();
printf("Enter the number of rows / columns:");
scanf("%d",&m);
n=m;
for(i=0;i<=m-1;i++)
{
    for(j=0;j<=n-1;j++)
    {
        printf("Enter a value:");
        scanf("%d",&a[i][j]);
    }
}
for(i=0;i<=m-1;i++)
{
    for(j=0;j<=n-1;j++)
    {
        if(i==j)
        sum+=a[i][j];
    }
}
printf("The sum of diagonal elements is %d",sum);
getch();
 }