#include "iostream.h"
#include "conio.h"
int calc(int [],int dim);
void revmatrix( int [],int dim);
void main()
{
int matrix[1000] = {NULL};
int dim,temp;
double leftsum,rightsum;
cout<<"\n\n\n"<<" PLEASE ENTER MATRIX DIMANTION : ";
cin>>dim;
cout<<"\n\n\n"...