#include <bits/stdc++.h>
using namespace std;

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

int dist[105][105], n;

int main()
{
    fin >> n;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> dist[i][j];

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            for(int k = 1; k <= n; k++)
                if(dist[i][k] + dist[k][j] < dist[i][j] && dist[i][k] * dist[k][j] != 0)
                    dist[i][j] = dist[i][k] + dist[k][j];

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            fout << dist[i][j] << " ";
        fout << '\n';
    }

    return 0;
}