#include <iostream>
#include <fstream>

using namespace std;

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

int n, A[101][101];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            fin >> A[i][j];
            if (A[i][j] == 0 && i != j)
                A[i][j] = 0x3f3f3f3f;
        }
    }
    for (int k = 1; k <= n; ++k)
    {
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= n; ++j)
            {
                if (A[i][k] + A[k][j] < A[i][j])
                    A[i][j] = A[i][k] + A[k][j];
            }
        }
    }
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            if (A[i][j] == 0x3f3f3f3f)
                fout << 0 << " ";
            else fout << A[i][j] << " ";
        }
        fout << '\n';
    }

    return 0;
}