#include <fstream>

using namespace std;

int n, a[105][105];

inline void Read()
{
    ifstream f("royfloyd.in");
    f>>n;
    int i, j;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            f>>a[i][j];
    f.close();
}

inline void RoyFloyd()
{
    int i, j, k;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            if (a[i][j] == 0)
                a[i][j] = 2000000000;
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if (a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j]) && i!=j)
                    a[i][j] = a[i][k] + a[k][j];
}

inline void Write()
{
    ofstream g("royfloyd.out");
    int i, j;
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            if (a[i][j] == 2000000000)
                g<<0<<" ";
            else
                g<<a[i][j]<<" ";
        g<<"\n";
    }
    g.close();
}

int main()
{
    Read();
    RoyFloyd();
    Write();
    return 0;
}