#include <fstream>

using namespace std;

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

int n, d[101][101];
const int INF=100000;


int main()
{

    in >> n ;

    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
        {
            in>>d[i][j];
            if (i!=j&&d[i][j]==0) d[i][j]=INF;
        }

    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                if (d[i][k]!=INF&&d[k][j]!=INF&&i!=k&&k!=j&&i!=j&&(d[i][k]+d[k][j]<d[i][j]))
                    d[i][j]=d[i][k]+d[k][j];
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            out<<d[i][j]<<" ";
        out<<'\n';
    }
    return 0;
}