#include <fstream>

using namespace std;

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

const int N = 101;
const int INF = 1e9;
int n, d[N][N];

int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            cin>>d[i][j];
            if(d[i][j]==0 && i!=j)
                d[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(d[i][k] + d[k][j] < d[i][j])
                    d[i][j] = d[i][k] + d[k][j];
            }
        }
    }

      for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            if(d[i][j] == INF)
                d[i][j] = 0;
            cout<<d[i][j]<<" ";
        }
        cout<<'\n';
    }


    return 0;
}