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

int c[101][101];

int main()
{
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");

    int n;

    cin >> n;

    for(int i = 1; i <= n; ++i)
      for(int j = 1; j <= n; ++j)
         cin >> c[i][j];

    for(int k = 1; k <= n; ++k)
      for(int i = 1; i <= n; ++i)
         for(int j = 1; j <= n; ++j)
            if(c[i][k] && c[k][j] && (c[i][j] > c[i][k] + c[k][j] || !c[i][j]) && i != j)
               c[i][j] = c[i][k] + c[k][j];

    for(int i = 1; i <= n; ++i, cout << '\n')
      for(int j = 1; j <= n; ++j)
         cout << c[i][j] << ' ';

    return 0;
}