#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n,i,j,d[105][105],m,x,y,inter;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fin>>d[i][j];
        }
    }
    for(inter=1;inter<=n;inter++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(d[i][inter] and d[inter][j] and i!=j)
                {
                    if(d[i][j]==0) d[i][j]=d[i][inter]+d[inter][j];
                    else d[i][j]=min(d[i][j],d[i][inter]+d[inter][j]);
                }
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fout<<d[i][j]<<' ';
        }
        fout<<'\n';
    }
    return 0;
}