#include <iostream>
#include<fstream>
using namespace std;
int d[105][105];
int main()
{
   ifstream fin("royfloyd.in");
   ofstream fout("royfloyd.out");
   int n;
   fin >> n;
   for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> d[i][j];
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(i != j && d[i][k] != 0 && d[k][j] != 0 && (d[i][j] > d[i][k] + d[k][j] || d[i][j] == 0))
                    d[i][j] = d[i][k] + d[k][j];

    for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
                fout << d[i][j] << " ";
            fout << "\n";
        }
    return 0;
}