#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");

    int n, k, i, j, d[101][101];

    in >> n;
    for (i = 1; i <= n; ++i)
        for (j = 1; j <= n; ++j) {
            in >> d[i][j];
            if (d[i][j] == 0 && i != j)
                d[i][j] = 1001;
        }

    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
            {
                if (d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];
            }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
        {
            out << d[i][j] << ' ';
        }
        out << '\n';
    }
    
    in.close();
    return 0;
}