#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[105][105];
 
void citire()
{
    int i, j;
    f >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) 
            f >> a[i][j];
}
 
void roy_floyd()
{
    int i, j, k;
    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];
}
 
void afisare()
{
    int i, j;
    for (i = 1; i <= n; i++) 
    {
        for (j = 1; j <= n; j++)
            g << a[i][j] << " ";   
        g << "\n";
    }
}
 
 
int main()
{
    citire();
    roy_floyd();
    afisare();
    return 0;
}