#include <fstream>

using namespace std;

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

int n,a[101][101];

void Citire()
{int i,j;
fin>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
      {fin>>a[i][j];
      }
}

void royfloyd()
{int k,i,j;
for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
               a[i][j]=a[i][k]+a[k][j];
}

void Afisare()
{int i,j;
for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
        fout<<a[i][j]<<" ";
    fout<<"\n";
    }
}

int main()
{
Citire();
royfloyd();
Afisare();
    return 0;
}