#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int m[101][101];

int main()
{
    int n;
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fin >> m[i][j];
            if (m[i][j] == 0 && i != j)
                m[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 (m[i][j] > m[i][k] + m[k][j])
                    m[i][j] = m[i][k] + m[k][j];

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (m[i][j] == 1001)
                fout << 0 << " ";
            else
                fout << m[i][j] << " ";
        }
        fout << endl;
    }
    return 0;
}