#include <bits/stdc++.h>

using namespace std;

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

int main()
{
    int n;
    fin >> n;

    vector<vector<long long>> v(n + 1, vector<long long>(n + 1));

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fin >> v[i][j];
            if(i != j && v[i][j] == 0)
                v[i][j] = INT_MAX;
        }
    }

    for(int k = 1; k <= n; k++)
    {
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= n; j++)
            {
                if(i != j)
                {
                    v[i][j] = min(v[i][j], v[i][k] + v[k][j]);
                }
            }
        }
    }

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            fout << v[i][j] << " ";
        }
        fout << "\n";
    }

    return 0;
}