#include<iostream> using namespace std; int main(){ int m,n,a[200][200],b[200][200]; cin>>m>>n; for (int i=1;i<=m;i++){ for (int j=1;j<=n;j++){ cin>>a[i][j]; } } for (int i=2;i<m;i++){ for (int j=2;j<=n-1;j++){ if(i==1||i==m||j==1||j==n){ b[i][j]=a[i][j]; } b[i][j]=(a[i][j]+a[i-1][j]+a[i+1][j]+a[i][j-1]+a[i][j+1])/5*1.0; } } for (int i=1;i<m;i++){ for (int j=1;j<n;j++){ cout<<b[i][j]<<" "; } cout<<endl; } }