#include <fstream>
#define pinf 1<<30
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int i, j, n, x, k, ponderi[110][110];

int main()
{
    fin>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {
            fin>>x;
            if (i==j)
                ponderi[i][j]=0;
            else
            {
                if (x==0)
                    ponderi[i][j]=pinf;
                else
                    ponderi[i][j]=x;
            }
        }

    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
            {
                if (ponderi[i][j]>ponderi[i][k]+ponderi[k][j])
                    ponderi[i][j]=ponderi[i][k]+ponderi[k][j];
            }

    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            if (ponderi[i][j]==pinf)
                fout<<0<<" ";
            else
                fout<<ponderi[i][j]<<" ";
        }
        fout<<"\n";
    }

    return 0;
}