#include <bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[101][101];
int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            fin >> a[i][j];
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
    for (int i = 1; i <= n; i++) {
        fout << "\n";
        for (int j = 1; j <= n; j++)
            fout << a[i][j] << " ";
    }

    return 0;
}