#include <bits/stdc++.h>

using namespace std;

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

int n, a[105][105];

int main()
{
    int i, j, k;
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if (a[i][j] == 0)
                a[i][j] = 1e9;
        }

    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);

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


    return 0;
}