#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, d[105][105];

int main()
{
    int i, j, k;
    fin >> n;
    for (i = 1 ; i <= n ; i++)
        for (j = 1 ; j <= n ; j++)
    {
        fin >> d[i][j];
        if (d[i][j] == 0)
            d[i][j] = 2e9;
    }
    for (k = 1 ; k <= n ; k++)
        for (i = 1 ; i <= n ; i++)
            for (j = 1 ; j <= n ; j++)
                if (i != j && i != k && j != k && d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];
    for (i = 1 ; i <= n ; i++)
    {
        for (j = 1 ; j <= n ; j++)
            if (d[i][j] != 2e9)
                fout << d[i][j] << " ";
            else
                fout << 0 << " ";
        fout << "\n";
    }
    return 0;
}