#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int n,i,a[101][101],j,k;
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    f>>n;
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
        {
            f>>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++)
        {
            g<<a[i][j]<<" ";
        }
        g<<"\n";
    }
    return 0;
}