5dop

#include <iostream>
#include <cctype>
#include <cstring>
#include <iomanip>
using namespace std;



bool validIndex(int i, int j, int m, int n)
{
    return (i >= 0 && i < m && j >= 0 && j < n);
}

float averageOfNeighbours(float* arr, int i, int j, int m, int n)
{
    float sum = 0;
    float count = 0;
    for(int k = i-1; k <= i+1; k++)
    {
        for(int l = j-1; l <= j+1; l++)
        {
            if(validIndex(k, l, m, n))
            {
                sum += arr[k*n+l];
                count++;
            }
        }
    }
    return sum / count;
}

int main() {
    int m,n;
    cin>>m>>n;

    float arr[m][n];
    float newarr[m][n];
    for(int i=0;i<m;i++)
    {
        for(int j=0;j<n;j++)
        {
            cin>>arr[i][j];
            newarr[i][j] = arr[i][j];
        }
    }

    int x1,x2,y1,y2;
    cin>>x1>>y1>>x2>>y2;

    for(int i = x1; i <= min(x2,m-1); i++)
    {
        for(int j = y1; j <= min(y2,n-1); j++)
        {
            newarr[i][j] = averageOfNeighbours(&arr[0][0],i,j,m,n);
        }
    }
    for(int i = 0;i<m;i++)
    {
        for(int j = 0;j<n;j++)
        {
            cout<<newarr[i][j]<<" ";
        }
        cout<<endl;
    }
}