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

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, v[101][101];

int main()
{
    fin>>n;
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            fin>>v[i][j];
        }
    }
    for (int k=1; k<=n; k++)
    {
        for (int i=1; i<=n; i++)
        {
            for (int j=1; j<=n; j++)
            {
                if (v[i][j]>v[i][k]+v[k][j] and i!=k and j!=k and i!=j and v[i][j]!=0 and v[i][k]!=0 and v[k][j]!=0)
                {
                    v[i][j]=v[i][k]+v[k][j];
                }
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            fout<<v[i][j]<<" ";
        }
        fout<<'\n';
    }
    

    return 0;
}