#include <bits/stdc++.h>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

const int N = 105;
int n, i, j, k, a[N][N];

int main()
{
    in >> n;

    for(i = 1; i <= n; i++)
        for(j = 1; j <=n; j++)
            in >> a[i][j];

    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(a[i][k] && a[k][j] && i != j && (a[i][k] + a[k][j] < a[i][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];

    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            out << a[i][j] << ' ';
        out << '\n';
    }
}