#include <fstream>
#include <vector>

using namespace std;

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

int N;
int G[105][105];

void Roy()
{
    int i, j, k;
    for (int k = 1; k <= N; k++)
    {
        for (i = 1; i <= N; i++)
            for (j = 1; j <= N; j++)
                if (G[i][j] > G[i][k] + G[k][j] || G[i][j] == 0)
                    if (i != j && G[i][k] != 0 && G[k][j] != 0)
                        G[i][j] = G[i][k] + G[k][j];
    }
}

int main()
{
    fin >> N;
    for (int i = 1; i <= N; i++)
        for (int j = 1; j <= N; j++)
            fin >> G[i][j];
    Roy();
    for (int i = 1; i <= N; i++)
    {
        for (int j = 1; j <= N; j++)
        {
            fout << G[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}