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

ifstream f("royfloyd.in");
ofstream of("royfloyd.out");

int a[101][101];

int main()
{
    int n, i, j, k;
    f >> n;

    for(i = 0; i < n; i++)
        for(j = 0; j < n; j++)
            f >> a[i][j];

    for(k = 0; k < n; k++)
        for(i = 0; i < n; i++)
            for(j = 0; j < n; j++)
               if( a[i][k] && a[k][j] && i != j && (a[i][j] > a[i][k] + a[k][j] || !a[i][j] ))
                    a[i][j] = a[i][k] + a[k][j];

    for(i = 0; i < n; i++){
        for(j = 0; j < n; j++)
            of << a[i][j] << " ";
        of << endl;
    }

    return 0;
}