#include <fstream>

using namespace std;

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

#define us unsigned short

us N, adj[105][105];

void Read()
{
    fin >> N;
    for(int i = 0; i < N; i++)
        for(int j = 0; j < N; j++)
            fin >> adj[i][j];
}

void Write()
{
    for(int i = 0; i < N; i++) {
        for(int j = 0; j < N; j++)
            fout << adj[i][j] << " ";

        fout << "\n";
    }
}

void RoyFloyd()
{
    for(int k = 0; k < N; k++)
        for(int i = 0; i < N; i++)
            for(int j = 0; j < N; j++)
                if(adj[i][k] && adj[k][j] && (adj[i][j] > adj[i][k] + adj[k][j] || !adj[i][j]) && i != j)
                    adj[i][j] = adj[i][k] + adj[k][j];
}

int main()
{
    Read();
    RoyFloyd();
    Write();
}