#include <iostream>
#include <fstream>
 
using namespace std;
 
int N, w[101][101], i, j, k;
 
void royFloyd ()
{
 
    for(k = 1; k <= N; k++)
        for(i = 1; i <= N; i++)
            for(j = 1; j <= N; j++)
                if ((w[i][j] > w[i][k] + w[k][j] || !w[i][j]) && i!=j && w[i][k] && w[k][j])
                    w[i][j] = w[i][k] + w[k][j];
}
 
int main()
{
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");
 
    in >> N;
 
    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++)
            in >> w[i][j];
 
    royFloyd();
 
    for(i = 1; i <= N; i++)
    {
        for(j = 1; j <= N; j++)
            out << w[i][j] << " ";
        out << "\n";
    }
 
 
    return 0;
}