#include <iostream>
#include <fstream>

using namespace std;

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

int M[101][101];

int main()
{
    int N;
    fin>>N;

    for (int i = 0; i < N; i++)
        for (int j = 0; j < N; j++)
            fin>>M[i][j];

    for (int k = 0; k < N; k++)
        for (int i = 0; i < N; i++)
            for (int j = 0; j < N; j++)
                if ((M[i][j] > M[i][k] + M[k][j] || !M[i][j]) && i != j && M[i][k] && M[k][j])
                    M[i][j] = M[i][k] + M[k][j];

    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
            fout<<M[i][j]<<" ";
        fout<<"\n";
    }

    return 0;
}