#include <bits/stdc++.h>

using namespace std;

#define NMAX 102

int n, a[NMAX][NMAX];
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int main() {
    in >> n;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            in >> a[i][j];
        }
        
    }
    
    for (int k = 0; k < n; k++)
    {
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                if (a[i][k] && a[k][j] && i != j && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];
            }
        }
        
    }
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            out << a[i][j] << ' ';
        }
        out << '\n';
    }
}