#include <iostream>
#include <fstream>
using namespace std;

fstream f("royfloyd.in", ios::in), g("royfloyd.out", ios::out);
#define INF 0x3f3f3f3f
int d[101][101];

int main()
{
    int n;
    f >> n;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            f >> d[i][j];
            if (d[i][j] == 0 && i != j)
                d[i][j] = INF;
        }

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

    for (int i = 1; i <= n; i++, g << '\n')
        for (int j = 1; j <= n; j++)
        {
            if (d[i][j] == INF)
                g << 0 << ' ';
            else
                g << d[i][j] << ' ';
        }
}