#include <fstream>
#define InFile  "royfloyd.in"
#define OutFile "royfloyd.out"
#define MAX 101

using namespace std;

void read ();
void solve ();
void print ();

unsigned short int N;
unsigned short int matrix[MAX][MAX];

unsigned short int i, j, k;

int main ()
{
    read();
    solve();
    print();
    return 0;
}

void read ()
{
    ifstream fin (InFile);
    fin >> N;
    for (i=1; i<=N; i++)
        for (j=1; j<=N; j++)
            fin >> matrix[i][j];
    fin.close();
}

void solve ()
{
    for (k=1; k<=N; k++)
        for (i=1; i<=N; i++)
            for (j=1; j<=N; j++)
                if (matrix[i][k]!=0 && matrix[k][j]!=0 && (matrix[i][j]>matrix[i][k]+matrix[k][j] || matrix[i][j]==0) && i!=j)
                    matrix[i][j] = matrix[i][k] + matrix[k][j];
}

void print ()
{
    ofstream fout (OutFile);
    for (i=1; i<=N; i++)
    {
        for (j=1; j<=N; j++)
            fout << matrix[i][j] << " ";
        fout << '\n';
    }
    fout.close();
}