#include <iostream>
#include <fstream>

using namespace std;

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

const int INF=1005;
int d[105][105];

int main()
{
    int n;
    in>>n;
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            in>>d[i][j];
            if (i!=j && d[i][j]==0) 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++)
        {
            out<<d[i][j]<<" ";
        }
        out<<"\n";
    }
    in.close();
    out.close();
    return 0;
}