#include <iostream>
#include <fstream>

using namespace std;

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

const int nmax = 105;
int n, d[nmax][nmax];

int main()
{
    int i, j, k;
    fin>>n;

    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            fin>>d[i][j];
    }

    for(k = 1; k <= n; ++k)
    {
        for(i = 1; i <= n; ++i)
        {
            for(j = 1; j <= n; ++j)
            {
                if(i != j && d[i][k] && d[k][j] && (d[i][j] > d[i][k] + d[k][j] || !d[i][j]))
                    d[i][j] = d[i][k] + d[k][j];
            }
        }
    }

    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            fout<<d[i][j]<<' ';
        fout<<'\n';
    }

    return 0;
}