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

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

int n, a[105][105];

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