#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[105][105];
int main()
{
    int n, i, j, k;
    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";
    }
}