#include <fstream>

using namespace std;

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

const int NMAX = 100,
          INF = (1 << 30);

int A[NMAX + 1][NMAX + 1],
    C[NMAX + 1][NMAX + 1];
int N;

void Read()
{
    f >> N;
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            f >> C[i][j];
}

void RoyFloyd()
{
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            A[i][j] = C[i][j];
    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++)
            for(int j = 1; j <= N; j++)
                if(i != j && A[i][k] && A[k][j] &&
                   (A[i][j] > A[i][k] + A[k][j] || A[i][j] == 0))
                    A[i][j] = A[i][k] + A[k][j];
}

void Write()
{
    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
            g << A[i][j] << ' ';
        g << '\n';
    }
}

int main()
{
    Read();
    RoyFloyd();
    Write();
    f.close();
    g.close();
    return 0;
}