#include <math.h>
#include <stdio.h>
#include <ctime>
#include <iostream>
#include <conio.h>
#include <cstdlib>
#include "iomanip"
#include <string.h>
using namespace std;

int main() 
{
    int j,i,n = 9;
    int A[n][n];

  int k = 0;
    
     srand(time(NULL));
    for (i = 0; i < n; i++)
    { 
        for (j = 0; j<n; j++)
      {
     
        A[i][j]=rand() % 99;
        printf("%2d ", A[i][j]);
      }
        printf("\n");
    }   
    int m;
    int l = n%2;
    if (l) 
 { 
    m = int (n/2);
 }  else
  {
    m = n/2 - 1;
  } 
    for (int i = 1; i < n - 1; i++)  {
    int sum = 0;
    if (i <= m)  {
      k ++;
    }  else if (i > m && l == 1)  {
      k --;
    }  else l = 1;
    for (int j = 1; j <= k; j++)  {
        sum = sum + A[i - j][8-i - j] + A[i + j][8];
      }  

    A[i][n-1-i] += sum;
  }

  cout <<"\n\n\n";
  for (int i = 0; i < n; i ++)  {
    for (int j = 0; j < n; j ++)  {
      printf("%3d ", A[i][j]);
      }
        printf("\n");
    }   
  }