#include <fstream>
using namespace std;
ifstream in ("royfloyd.in");
ofstream out ("royfloyd.out");
int M[101][101];
int main ()
{
    int n;
    in>>n;
    for (int i=1;i<=n;++i)
        for (int j=1;j<=n;++j)
            in>>M[i][j];
    for (int k=1;k<=n;++k)
        for (int i=1;i<=n;++i)
            for (int j=1;j<=n;++j)
                if ( M[i][k] && M[k][j] && ( !M[i][j] || M[i][j]>M[i][k]+M[k][j] ) && i!=j)
                     M[i][j]=M[i][k]+M[k][j];
    for (int i=1;i<=n;++i)
    {
        for (int j=1;j<=n;++j)
            out<<M[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}