#include <bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
const int NMAX = 100;
int n;
int mat[NMAX + 5][NMAX + 5];

void royfloyd()
{
    for(int k = 1; k <= n; ++k)
    {
        for(int i = 1; i <= n; ++i)
        {
            for(int j = 1; j <= n; ++j)
                {
                    if(mat[i][k] && mat[k][j] && (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]) && i != j)
                    {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                }
        }
    }
}

int main()
{
    in >> n;

    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            in >> mat[i][j];
        }
    }

    royfloyd();

    for(int i = 1; i <= n; ++i, out << '\n')
    {
        for(int j = 1; j <= n; ++j)
        {
            out << mat[i][j] << ' ';
        }
    }

    return 0;
}