#include <fstream>
#define nmax 101


using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n,b[nmax][nmax];

int main()
{
    f>>n;
    int i,j,k;

    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            f>>b[i][j];

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

                }

            }





        }
    }
     for(i=1;i<=n;++i)
        {for(j=1;j<=n;++j)
           g<<b[i][j]<<" ";
                g<<"\n";

        }

    return 0;
}