#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];
    bool b=1;
    while (b)
    {
        b=0;
        for (i=0; i<n; i++)
        for (j=0; j<n; j++)
        for (k=0; k<n; k++)
            if (i!=j && a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j])) b=1, 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";
    }
}