#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int v[101][101];
int main()
{
    int n,i,j,k;
    fin>>n;
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            fin>>v[i][j];
        }
    }
    for (k=1;k<=n;k++)
    {
        for (i=1;i<=n;i++)
        {
            for (j=1;j<=n;j++)
            {
                if (i!=j && v[i][k]!=0 && v[k][j]!=0)
                {
                    if (v[i][j]>v[i][k]+v[k][j] || v[i][j]==0)
                    {
                        v[i][j]=v[i][k]+v[k][j];
                    }
                }
            }
        }
    }
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            fout<<v[i][j]<<" ";
        }
        fout<<"\n";
    }
    return 0;
}