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

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[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];

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

    return 0;
}