#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

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

const int inf = 2e9;
int G[101][101];
int N;

void RF()
{
    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++)
            for(int j = 1; j <= N; j++)
                G[i][j] = min(G[i][j], G[i][k] + G[k][j]);
}

int main()
{
    in >> N;
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
        {
            in >> G[i][j];
            if(i != j && G[i][j] == 0)
                G[i][j] = inf;
        }

    RF();

    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
            out << G[i][j] << ' ';
        out << '\n';
    }
}