//#include <stdio.h>
#include <fstream>

using namespace std;

int n, a[105][105];

void read_input()
{
    ifstream fin("royfloyd.in");
    fin >> n;
    int x;
    for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= n; j++) {
        fin >> x;
        a[i][j] = x;
      }
    }
    fin.close();
}

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 print_output()
{
    ofstream fout("royfloyd.out");
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++) {
          fout << a[i][j] << ' ';
        }
        fout << '\n';
    }
    fout.close();
}


int main()
{
    read_input();
    roy_floyd();
    print_output();
    return 0;
}