#include <bits/stdc++.h>

using namespace std;

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

const int INF = 1e9;
int mat[128][128], n;

int main()
{
    in >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            in >> mat[i][j];
            if(mat[i][j] == 0)
            {
                if(i == j)
                {
                    mat[i][j] = 0;
                }
                else
                {
                    mat[i][j] = INF;
                }
            }
        }
    }

    for(int k = 1; k <= n; k++)
    {
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
            {
                if(mat[i][k] + mat[k][j] < mat[i][j])
                {
                    mat[i][j] = mat[i][k] + mat[k][j];
                    //pred[i][j] = pred[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            out << mat[i][j] << " ";
        }
        out << '\n';
    }
    return 0;
}