#include <bits/stdc++.h>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int v[1005][1005];
int main()
{
    int n;
    in >> n;
    for(int i = 1; i <= n; i ++)
        for(int j = 1; j <= n; j ++)
            in >> v[i][j];
    for(int k = 1; k <= n; k ++)
    {
        for(int i = 1; i <= n; i ++)
        {
            for(int j = 1; j <= n; j ++)
            {
                if(v[i][k] && v[k][j] && i != j)
                {
                    v[i][j] = min(v[i][j], v[i][k] + v[k][j]);
                    if(v[i][j] == 0)
                        v[i][j] = v[i][k] + v[k][j];
                }
            }
        }
    }
    for(int i = 1; i <= n; i ++)
    {
        for(int j = 1; j <= n; j ++)
            out << v[i][j] << " ";
        out << '\n';
    }
    return 0;
}