#include <iostream>
#include <fstream>
using namespace std;

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

const int NMAX = 100 + 1;
const int INF = 1e9;

int n;
int a[NMAX][NMAX];

int main()
{
    in>>n;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            in>>a[i][j];
            if(a[i][j] == 0)
            {
                a[i][j] = INF;
            }
        }
    }

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

    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            if(a[i][j] == INF)
            {
                a[i][j] = 0;
            }
            out<<a[i][j]<<" ";
        }
        out<<"\n";
    }
    return 0;
}