#include <iostream>
#include <fstream>
#define UNTIE ios::sync_with_stdio(0), fin.tie(0);
#define oo 2e9

using namespace std;

/**
Se ia fiecare nod intermediar pentru a afla drumul minim
*/

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int distmin[105][105], n;

int main()
{
    UNTIE
    int i, j, k;
    fin >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
        {
            fin >> distmin[i][j];
            if(distmin[i][j] == 0 && i != j)
                distmin[i][j] = oo;
        }

    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(i != j)
                    distmin[i][j] = min(distmin[i][j], distmin[i][k] + distmin[k][j]);

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