#include <iostream>
#include <fstream>

using namespace std;

int m, c[101][101];

const int MAX = 0x3f3f3f3f;

static void floyd_warshall()
{
    int i, j, k;

    for (k = 0; k < m; k++)
        for (i = 0; i < m; i++)
            for (j = 0; j < m; j++)
                if (i != j && c[i][j] > c[i][k] + c[k][j])
                    c[i][j] = c[i][k] + c[k][j];
}

int main()
{
    int i, j, x, y, w;

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

    fin >> m;

    for (i = 0; i < m; i++)
        for (j = 0; j < m; j++) {
            fin >> c[i][j];
            if (c[i][j] == 0 && i != j)
                c[i][j] = MAX;
        }
    floyd_warshall();

    for (i = 0; i < m; i++) {
        for (j = 0; j < m; j++)
            if (c[i][j] != MAX)
                fout << c[i][j] << ' ';
            else
                fout << "0 ";
        fout << '\n';
    }

    return 0;
}