文件目录

#include <iostream>
#include <cmath>
using namespace std;
int main()
{
    int n, m;
    int a[105][105] = {};
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> a[i][j];
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            if (i == 1 || i == n || j == 1 || j == m)
                cout << a[i][j] << " ";
            else
            {
                cout << round((a[i][j] + a[i - 1][j] + a[i + 1][j] + a[i][j - 1] + a[i][j + 1]) / 5.0) << " ";
            }
        }
        cout << endl;
    }
    return 0;
}