#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
const int INF=9999999;

int n,d[101][101];

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

void RoyFloyd()
{
    for (int k=1;k<=n;++k)
        for (int i=1;i<=n;++i)
            for (int j=1;j<=n;++j)
                d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
}

void afisare()
{
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (d[i][j]==INF) g<<"0 ";
            else g<<d[i][j]<<' ';
        g<<'\n';
    }
}

int main()
{
    citire();
    RoyFloyd();
    afisare();
    return 0;
}