#include <iostream>
#include <fstream>

using namespace std;

const string filename = "royfloyd";
ifstream fin(filename + ".in");
ofstream fout(filename + ".out");

const int inf = 0x3f3f3f3f;
int n, dist[105][105];

int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fin >> dist[i][j];
            if(dist[i][j] == 0 && i != j)
                dist[i][j] = inf;
        }
    }
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(dist[i][j] == inf)
                dist[i][j] = 0;
            fout << dist[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}