#include <fstream>

using namespace std;

fstream f("royfloyd.in",ios::in);
fstream g("royfloyd.out",ios::out);

int n,i,j,k,a[110][110];

void floyd()
{
    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][j]==0)||(a[i][j]>a[i][k]+a[k][j]))&&(i!=j)) a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>>a[i][j];
    floyd();
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++) g<<a[i][j]<<" ";
        g<<'\n';
    }
    f.close();
    g.close();
    return 0;
}