#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[110][110],n,i,j,k;

int main()
{
    f >> n;
    for (i=0; i<n; i++)
    for (j=0; j<n; j++)
        f >> a[i][j];
    for (i=0; i<n; i++)
    for (j=0; j<n; j++)
    for (k=0; k<n; k++)
        if (i!=j)
        if (a[i][j]>a[i][k]+a[k][j]) a[i][j]=a[i][k]+a[k][j];
    for (i=0; i<n; i++){
    for (j=0; j<n; j++)
        g << a[i][j] << " ";
        g << "\n";
    }
}