#include <iostream>
#include <fstream>

using namespace std;

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

unsigned d[101][101];

int main()
{

    unsigned n;

    fi>>n;

    for(unsigned i=1;i<=n;i++)
        for(unsigned j=1;j<=n;j++)
            fi>>d[i][j];

    for(unsigned k=1;k<=n;k++)
        for(unsigned i=1;i<=n;i++)
            for(unsigned j=1;j<=n;j++)
                if((d[i][j]>d[i][k]+d[k][j]||!d[i][j])&&d[i][j]&&d[i][k]&&d[k][j]&&i!=j)
                    d[i][j]=d[i][k]+d[k][j];

    for(unsigned i=1;i<=n;i++)
        {for(unsigned j=1;j<=n;j++)
            fo<<d[i][j]<<" ";
        fo<<'\n';}


    return 0;
}