#include <bits/stdc++.h>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,m,a[101][101];

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i+=1)for(int j=1;j<=m;j+=1)fin>>a[i][j];

    for (k = 1; k <= n; k++)
    for (i = 1; i <= n; i++)
    for (j = 1; j <= n; j++)
        if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
            a[i][j] = a[i][k] + a[k][j];
    for(int i=1;i<=n;i+=1)
    {
        for(int j=1;j<=n;j+=1)fout<<a[i][j]<<' ';
        fout<<a[i][j]<<'\n';
    }
    return 0;
}