#include <bits/stdc++.h>

using namespace std;

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

int a[105][105], n, c[105][105];

int main()
{
    int i, j, k;
    fin >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if(a[i][j] == 0 && i != j)
                a[i][j] = 1e9;
        }
    for(k = 1 ; k <= n ; k++)
        for(i = 1 ; i <= n ; i++)
            for(j = 1 ; j <= n ; j++)
                if(a[i][j] > a[i][k] + a[k][j])
                   a[i][j] = a[i][k] + a[k][j];
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            if(a[i][j] == 1e9)
                fout << 0 << " ";
            else
                fout << a[i][j] << " ";        
        }
        fout << "\n";
    }
    return 0;
}