How to find boundary elements and higher and lower level of a matrix.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[5][5],m,n,sum=0;
clrscr();
printf("Enter row :");
scanf("%d",&m);
printf("Enter coloum :");
scanf("%d",&n);
printf("Enter matrix element :\n");
for(int i=0;i<m;i++)
{...