#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int INF = 1001;

int n, a[101][101], i, j, k;

void Roy()
{
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if( i != k && k != j && i != j )
                    if( a[i][j] > a[i][k] + a[k][j])
                        a[i][j] = a[i][k] + a[k][j];
}

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

}

void Write()
{
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            if(a[i][j] == INF && i != j )
                a[i][j] = 0;
            g << a[i][j] << ' ';
        }

        g << '\n';
    }
}
int main()
{
    Read();
    Roy();
    Write();
    return 0;
}