#include <fstream>

using namespace std;
int a[105][105];
int main()
{
   int i, j, n, k;
   ifstream fin("royfloyd.in");
   fin>>n;
   ofstream fout("royfloyd.out");
   for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            fin>>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++)
            fout<<a[i][j]<<" ";
        fout<<"\n";
    }
    fin.close();
    fout.close();
    return 0;
}