#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,drum[101][101],i,j,k;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>drum[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
                if(drum[i][k]>0 && drum[k][j]>0 && (drum[i][j]>drum[i][k]+drum[k][j] || drum[i][j]==0) && i!=j )
                drum[i][j]=drum[i][k]+drum[k][j];
            }

    for(i=1;i<=n;i++, fout<<'\n')
        for(j=1;j<=n;j++)
            fout<<drum[i][j]<<" ";

    return 0;
}