#include <fstream>

using namespace std;
ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");
int i,j,C[101][101],n,k;
int main()
{
    fi>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fi>>C[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if (C[i][k] && C[k][j] && (C[i][j] > C[i][k] + C[k][j] || !C[i][j]) && i != j)
                    C[i][j] = C[i][k] + C[k][j];

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fo<<C[i][j]<<" ";
        fo<<"\n";
    }
    fi.close();
    fo.close();
    return 0;
}